Potassium permanganate reacts with sulfuric acid as per the equation shown below. Indicate the amount of excess reactant after the reaction of 7.24g KMnO4 and 10.32g H2SO4? 4KMnO4+6H2SO4 = 2K2SO4 +4MnSO4 +6H2O + 5O2

57,989 results
1. Chemistry

Potassium permanganate reacts with sulfuric acid as per the equation shown below. Indicate the amount of excess reactant after the reaction of 7.24g KMnO4 and 10.32g H2SO4? 4KMnO4+6H2SO4 = 2K2SO4 +4MnSO4 +6H2O + 5O2

asked by Missy on September 15, 2010
2. chemistry

Potassium permanganate reacts with sulfuric acid as per the equation shown below. Indicate the excess reactant after the reaction of 7.60 g KMnO4 and 10.32 g H2SO4. 4 KMnO4 (aq) + 6H2SO4 (aq) + 2K2SO4 (aq) + 4MnSO4 (aq)+ 6H2) (l) + 5O2 (g) I have no idea

asked by Some kid on September 19, 2009
3. chemistry/help

can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(III)sulfate and manganese(II)sulfate and potassium sulfate and water.

asked by joseph on March 13, 2012
4. chemistry

can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(II)sulfate and manganese(II)sulfate and potassium sulfate and water

asked by joy on February 18, 2011
5. chemistry/HELP PLLEASE

can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(II)sulfate and manganese(II)sulfate and potassium sulfate and water

asked by joy on February 18, 2011

can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(II)sulfate and manganese(II)sulfate and potassium sulfate and water

asked by joy on February 18, 2011
7. Chemistry

An iron nail with a mass of 0.750 g was dissolved in dilute sulfuric acid and diluted to 100.0 mL volume. A 10.0 mL aliquot of this solution was then titrated with standard 0.200 M potassium permanganate solution, according to the following equation: MnO4-

asked by Marina on January 3, 2016
8. Chemistry 400/ Chem 1A

A chemist mixes 5.216 g of potassium permanganate, 2.318 g of ethanol, and excess sulfuric acid. These chemicals react as follows: 4 KMnO4 + 5 C2H5OH + 6 H2SO4 ---> 4 MnSO4 + 5 CH3COOH + 2 K2SO4 + 11 H20 What mass of sulfuric acid is consumed in this

asked by Joey on September 16, 2014
9. Chemistry

write out the balanced equation when Iron(II) sulfate, potassium permanganate, and sulfuric acid react to form Iron (III) sulfate, manganese (II) sulfate, Potassium sulfate, and water.

asked by Jane on October 15, 2013
10. chemistry

Copper reacts with sulfuric acid according to the following equation: 2H3SO4 + Cu-> CuSO4 + 2H2O + SO2 How many grams of sulfur dioxide are created by this reaction if 14.2 g of copper reacts with 18 g of sulfuric acid?

asked by Jazmin on January 20, 2011
11. chemistry

Copper reacts with sulfuric acid according to the following equation: 2H3SO4 + Cu-> CuSO4 + 2H2O + SO2 How many grams of sulfur dioxide are created by this reaction if 14.2 g of copper reacts with 18 g of sulfuric acid?

asked by Maria on January 20, 2011
12. chemistry

Copper reacts with sulfuric acid according to the following equation: 2H3SO4 + Cu-> CuSO4 + 2H2O + SO2 How many grams of sulfur dioxide are created by this reaction if 14.2 g of copper reacts with 18 g of sulfuric acid?

asked by Maria on January 20, 2011
13. chem

The following equation describes the oxidation of an acidified solution of sodium oxalate (Na2C2O4) by potassium permanganate(KMnO4) 5C2O4 + 2MnO4 + 16H2SO4 --> 10CO2 + 2Mn + 16HSO4 + 8H20 What volume of 0.127M sodium oxalate in sulphuric acid will react

asked by tomi on April 7, 2009
14. chemistry

This equation decribes oxidation of acidified solution of sodium oxalate(Na2C2O4) by potassium permanganate(KMnO4): 5 C2O4^2- + 2Mn04^- + 16H2SO4 to produce 10Co2 + 2Mn^2- + 16HSO4^- + 8H2O. what volume of 0.127M sodium oxalate in sulphuric acid will react

asked by Temmick on February 6, 2014
15. chemistry

The solubility of the oxidizing agent potassium permanganate is 7.1 g per 100.0 g of water at 25° C. What is the mole fraction of potassium permanganate (KMn04) in this saturated solution? What is the molality of the potassium permanganate solution?

asked by thanh on March 15, 2008
16. Chemistry

I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium permanganate by the liters of potassium permanganate used in the titration and divided it by the total liters of solution. I don't

asked by Zach on November 28, 2012
17. Chemistry

I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium permanganate by the liters of potassium permanganate used in the titration and divided it by the total liters of solution. I don't

asked by Zach on November 28, 2012
18. chemistry

Question: When a pink aqueous solution of potassium permanganate, faintly acidified with dilute sulfuric acid was treated with 10% aq. hydrogen peroxide, the reaction took place with the evolution of gas bubbles, and the pink solution was turned colorless.

19. chemistry

Write the balanced molecular, complete ionic, and net ionic equations for the following reactions in aqueous solution: a. magnesium chloride reacts with potassium carbonate b. sulfuric acid reacts with sodium hydroxide

asked by gold on October 13, 2011
20. chemistry

Sulfuric acid is a strong acid and dissociates in water as shown in Reaction 4. Equation label: (4) Help Please!!!! H2SO4(aq) = 2H+(aq) + SO42-(aq) What is the hydrogen ion concentration, in mol dm−3, when 1.50 g of sulfuric acid is dissolved in water to

asked by jim on February 13, 2013
21. Chemistry

In an acid-base neutralization reaction 28.74 mL of 0.500 M potassium hydroxide reacts with 50.00 mL of sulfuric acid solution. What is the concentration of the H2SO4 solution? Please help with this question, thank you.

asked by Trever on September 20, 2010
22. Chemistry

Potassium permanganate, KMnO4, a common oxidizing agent, is made from various ores that contain manganese (IV) oxide, MnO2. The equation shows the net reaction for one process that forms potassium permanganate 2MnO2+2KOH+O2=2KMnO4+H2 Explain why the oxygen

asked by Marissa on November 16, 2016
23. AP CHEM

Please help me with thses AP CHEM homework problems and show the steps to how to find the solutions: Solid Liquid Titrations: Determine the concentration of the indicated liquid unknown given the mass of a solid standard and the buret data for the

asked by shylo on July 31, 2008
24. Chemistry

A 16.48 g sample of potassium permanganate is dissolved in a 250.0 mL volumetric flask. A 125.1 mL sample of the potassium permanganate solution is added to 75.3 mL of 5.110 M hydrobromic acid in which 32.3 mL of ethanol has been dissolved (d = 0.7891

asked by Millie on December 15, 2010
25. Chemistry

This is a back titration question and I'm struggling with it :/ So if you can help me, that would be very appreciated :) Q. A sample of steel wool was dissolved in excess sulfuric acid. The resulting solution (FeSO4 aq) was then titrated with potassium

asked by Rapunzel on February 27, 2013
26. Chemistry

I have asked this question before but I was not clear enough. I want to prepare a 37% w/w solution (in water)of sulfuric acid from 96% sulfuric acid. I need around 500ml, I know it won't be exactly that, I want to know how to use the conversion using

asked by Pam on December 22, 2016
27. chemistry

Whatis the chemical balance equation for the following? Potassium hydroxide and acetic acid and copper metal and sulfuric acid

asked by venecia on January 18, 2012
28. chemistry

Whatis the chemical balance equation for the following? Potassium hydroxide and acetic acid and copper metal and sulfuric acid

asked by venecia on January 18, 2012
29. chemistry

KNO3+H2SO4=K2SO4+HNO what mass of sulfuric acid in gram is needed for 2 moles of potassium nitrate? how many moles of mitric acid will be produced from 5 moles of sulfuric acid? what mass in gram of potassium sulfate will be produced from 5 moles of

asked by Rajah on August 4, 2014
30. chemistry

Potash is composed mainly of potassium carbonate, K2CO3. If 1.000g of potash reacts with sulfuric acid to produce 145 mL of carbon dioxide gas at STP, what is the percentage of potassium carbonate in the marble sample? K2CO3 + H2SO4 ==> K2SO4 + H2O + CO2

asked by Monique on November 29, 2011
31. chemistry

write a net ionic equation for the following: 1)Iron (III) chloride reacts with Potassium hydroxide to produce Iron (III) oxide, Potassium chloride, and Hydrogen gas. 2)Hydrochloric acid reacts with Potassium carbonate to produce Potassium chloride,

asked by rachel on October 26, 2010
32. chemistry

Which of the following statements best describes p orbitals? a dumbbell with a ring around it a sphere around the nucleus a four-leave clover two lobes apposing each other Examine the three isotopes of potassium (K) below. potassium-41, potassium-39,

asked by Anonymous on August 24, 2017
33. Chemistry

A 0.1818 g sample of sodium oxalate required 28.12 ml of a potassium permanganate solution to reach the endpoint (assume the reaction was carried out in excess acid). A 5.000 g sample of tin (II) sulfate containing potassium sulfate as an impurity was

asked by Anonymous on October 31, 2015
34. Chemistry

A chemist needs a 50% of sulfuric acid. She mix 2 liters of 20% of sulfuric acid with a sample of 60% of sulfuric acid. Write a equatoin that models the situation and use it to find how much the 50% of the sulfuric acid she needs to use?

asked by James on February 26, 2016
35. chemistry

H2SO4(aq) + NaOH(aq)-> Na2SO4(aq) + H2O(l) Consider the unbalanced equation above. What is the concentration of the original sulfuric acid solution if 60.5 mL of the acid reacts with 18.0 mL of 0.110 M sodium hydroxide?

36. chemistry

The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium

asked by bill on April 11, 2012
37. chemistry

the formula for propene reacts with water using potassium permanganate as a catalyst

asked by Renee on December 15, 2007
38. Is anyone here a chemistry genuis?

The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium

asked by timmy on April 9, 2010
39. chemistry

In a soda acid fire extinguisher, concentrated sulfuric acid reacts with sodium hydrogen carbonate to produce carbon dioxide, sodium sulfate and water. How many moles of sodium hydrogen carbonate are produced from a reaction of 0.4 moles of sulfuric acid?

asked by student_14579 on January 20, 2015
40. Chemistry

The potassium salt of benzoic acid, potassium benzoate, KC7H5O2, can be made by the action of potassium permanganate on toluene, C7H8. C7H8 + 2 KMnO4 --> 2MnO2 + KOH + H2O If the yield of potassium benzoate cannot be realistically be expected to be more

asked by Veronica on June 3, 2014
41. Chemistry

I need to prepare 500 ml of a 37% w/w solution of sulfuric acid using 96% sulfuric acid in deionized water. I have been shown a bunch of different ways and they all give a different answer and I'm getting frustrated

asked by Pam on October 12, 2016
42. chem

which one of the following statements about sulfuric acid is correct? A. sulfuric acid is a known muriatic acid B. sulfuric acid is a strong oxidizing agent C. sulfuric acid has little effect on metals D. sulfuric acid is dangerous to living organisms B

asked by alf on August 6, 2005
43. chem lab

In a pottasium permanganate and oxalic acid titration..why do we add sulfuric acid to the oxalic acid solution and then boil it before titrating??

asked by sylvia on January 12, 2009
44. Chemistry

I have asked this question before but I was not clear enough. I want to prepare a 37% w/w solution (in water)of sulfuric acid from 96% sulfuric acid. I need around 500ml, I know it won't be exactly that, I want to know how to use the conversion using

asked by Pam on December 21, 2016
45. chemistry

Mildy basic potassium permanganate reacted with 1.25g of contaminated zinc granules to produce zinc hydroxide and solid manganese(iv)oxide.suppose 20.5ml of 0.050Molar of potassium permanganate completely reacted with contaminated zinc granules,how many

asked by sister ruth on December 21, 2011
46. Chemistry

Enough concentrated sulfuric acid solution was added to provide 3.00 grams of sulfuric acid which dissolved 4.00 grams of pure fluorapatite. How much excess sulfuric acid was used? Or, in other words how much sulfuric acid was left after it reacted.

asked by Lupe Gomez on November 3, 2018
47. Chemistry titrations

25.00mL of an unknown sulfuric acid solution is titrated to the second equivalence point with 21.02mL of 0.420M potassium hydroxide solution. What is the concentration of the sulfuric acid solution?

48. chemistry

Titration of 50.00 mL of 0.0521 M sodium oxalate, Na2C2O4, required 38.71 mL of a potassium permanganate solution: 5 C2O42- + 2MnO4- + 16H+ = 2Mn2+ + 10 CO2 + 8H2O Calculate the molarity of the potassium permanganate solution.

asked by mary on June 23, 2012
49. chemistry

What are the products formed when sulfuric acid solution reacts with potassium hydroxide(KOH) solution? Is this correct H2SO4+KOH>KS04+H30

asked by Majra on November 21, 2007
50. Chemistry

The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium

asked by Aaron on September 19, 2014
51. Chemistry

The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium

asked by Aaron on September 19, 2014
52. chemistry

Methanol + Butanoic acid + Sulfuric acid = Pinapple Methanol + Salicylic acid + Sulfuric acid = wintergreen Ethanol + Methanoic acid + Sulfuric acid = rum How to write the chemical formulae for each?

asked by Anonymous on April 24, 2008
53. Science

To determine the mass percentage of an iron sample, the dissolved sample [iron exists at the start as iron(II)] was titrated with potassium permanganate (permanganate forms manganese(IV) oxide.)If 22.25 cubic cm of 0.0123 potassium permanganate, what is

asked by Anna on May 2, 2011
54. Chemistry

Potassium permanganate, KMnO4, a common oxidizing agent, is made from various ores that contain manganese (IV) oxide, MnO2. The equation shows the net reaction for one process that forms potassium permanganate 2MnO2+2KOH+O2=2KMnO4+H2 What is the maximum

asked by Marissa on November 16, 2016
55. chemistry

Write Sulfuric acid and potassium hydroxide where the products are potassium sulfate and water.

asked by Liz on February 17, 2009
56. Chemistry

Given the balanced neutralization equation: H2SO4+2KOH→K2SO4+2H2O How many moles of potassium hydroxide (KOH) are required to neutralize 4.5 mol of sulfuric acid (H2SO4)? Assume that the sulfuric acid completely dissociates in water. 2 mols of KOH = 1

asked by Mariah on June 30, 2016
57. Chemistry

Automobile batteries contain sulfuric acid, which is commonly referred to as "battery acid." Calculate the number of grams of sulfuric acid in 0.650 L of battery acid if the solution has a density of 1.28 g/mL and is 38.1% sulfuric acid by mass.

asked by Anonymous on August 18, 2013
58. Chemistry

Write the net ionic equation for the reaction between sulfuric acid and potassium hydroxide. I got 2H^+ + 2OH^-1 ==> 2H2O. Is this correct?? Thanks.

asked by Lucy on December 2, 2007
59. Chemistry

Which of the following aqueous solutions are good buffer systems ? . 0.26 M hydrochloric acid + 0.24 M potassium chloride . 0.14 M acetic acid + 0.20 M potassium acetate . 0.16 M potassium hypochlorite + 0.23 M hypochlorous acid . 0.31 M hydrocyanic acid +

asked by Chris on February 26, 2011
60. chem

Sulfuric acid reacts with sodium hydroxide according to this equation: H2S04 + 2 NaOH Na2(SO4) + 2 H2O A 10.00 mL sample of the H2SO4 solution required 13.71 mL of 0.309 M NaOH for neutralization. Calculate the molarity of the acid.

asked by Liang9506 on November 21, 2012
61. chemistry help

sulfuric acid is a strong acid and dissociates in water as shown in reaction H2SO4(aq)=2H^+(aq)+SO4^2-(aq) what is the hydrogen ion concentration, in mol dm^-3,when 1.50g of sulfuric acid is dissolved in water to give 0.500dm^3 of solution ?show all of

asked by zak on December 30, 2012
62. Chemistry2

12.) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. a.) write a chemical equation, using words, to represent the above chemical reaction. Answer: Chlorine + potassium bromide ==> potassium chloride + bromine (Is this

asked by Sam on September 10, 2015
63. chemistry

write the equation of the neutralization of sulfuric acid (H2SO4) with potassium hydroxide (KOH) and write the net ionic equation for the reaction

asked by Doss on October 25, 2011
64. chemistry

a student dissolves 0.625 g of pure benzoic acid in distilled water and titrated the resulting solution to the equivalence point using 40.8 mL of the standardized NaOH solution from Part a, assuming that benzoic acid has only one ionizable hydrogen, answer

asked by Anonymous on November 4, 2011
65. chemistry

In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. (Type your answer using the format CH4 for CH4.)

asked by skyler on February 3, 2012
66. Chemistry URGENT/DR BOB

Can someone may sure that I balanced the following groups of equations correctly. Write an equation to show how acetic acid reacts with water to produce ions in solution. C2H4O2 + H2O >>>>>>> H3O + C2H3O Write an equation for the neutralization of HCl and

asked by jazz on April 23, 2014
67. chemistry

calculate what volume of sulfuric acid solution(specific gravity=1.07;and containing 10%sulfuric acid by mass)contains 18.50g of pure sulfuric acid at a temperature of 25 Celsius.

asked by jen on November 12, 2016
68. Chemistry Balancing Equations

I really need help with balancing these equations: PLEASE HELP!! 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride 2. Sodium nitrate reacts with hydrochloric acid to produce nitrogen monoxide

asked by Anonymous on March 14, 2011
69. chemisty

in a soda-acid fire extinguisher, concentrateed sulfuric acid reacts with sodium hydrogen carbonate to produce carbon dioxide, sodium sulfate and water. How many moles of sodium hydrogen carbonate would be neefed to react with 150.0 grams of sulfuric acid?

asked by leslie on February 21, 2008
70. Chem

18) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. A) write a chemical equation, using words, to represent the above chemical reaction. My answer: chlorine + potassium bromide ==> potassium chloride and bromine ( I'm

asked by Sara on September 7, 2015
71. University

17. neutralizing 20 ml 5.66% potassium hydroxide solution density of 1.053 g / cm3 matter 12.1 ml sulfuric acid density of 1.052 g / cm3. Determine the concentration (%) sulfuric acid solution.

asked by Anonymous on December 3, 2016
72. chemistry

Calculate the molarity of sulfuric acid if 25.00 mL of 0.095 mol L NAOH reacts with 26.45 mL of the acid.

asked by Shane on August 12, 2014
73. chemistry

What happens when : (give balanced chemical equations only) 1. Caustic soda reacts with carbon dioxide 2.caustic soda reacts with zinc hydroxide 3.potassium reacts with oxygen 4.sodium carbonate is fused with silicon dioxide 5. when bleaching powder reacts

asked by paula on March 10, 2010
74. Chemistry

Aqueous potassium sulfate can be prepared by titrating dilute sulfuric acid against aqueous potassium carbonate. What conclusion can e drawn from here? And explain why is it so.

asked by StuartKess on September 7, 2011
75. chemistry

One purpose of adding KIO4 is to prevent the permanganate ion from being slowly reduced to Mn+2 by H2O. Write a balanced redox equation for the reduction of permanganate ion to Mn+2 by water in acid solution.

asked by ella on February 23, 2012
76. Chemistry

In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was

asked by Sam on July 12, 2010
77. Chemistry

The hydroperoxide ion, HO2– (aq), reacts with permanganate ion, MnO4– (aq) to produce MnO2 (s) and oxygen gas. Balance the equation for the oxidation of hydroperoxide ion to O2(g) by permanganate ion in a basic solution.

asked by Onye on March 4, 2018
78. chemistry

Sulfuric acid reacts with hydrogen iodide to produce sulfur dioxide, iodine and water. a) write total ionic equation b)write net ionic equation

79. chemisty

Sulfuric acid reacts with hydrogen iodide to produce sulfur dioxide, iodine and water. a) write total ionic equation b)write net ionic equation

asked by help! on April 23, 2010
80. chemistry

10. If the calcium oxide were obtained by the heating of calcium hydroxide, how much hydroxide would be needed to obtain the 15.0 g? 11. If the 15.0 g of calcium oxide in the above problems were allowed to react with water, what amount of calcium hydroxide

asked by greg on December 14, 2012
81. Chemistry

The density of sulfuric acid is 1.82g/mL. What volume of sulfuric acid is needed to obtain 98.0g of sulfuric acid

asked by Lori on January 31, 2012
82. Chemistry

Determine if the ffg are strong, weak, nonelectrolytes: Sulfuric acid - strong? Potassium hydroxide - strong? Carbonic acid - strong? Propyl amine - weak? Potassium iodide -weak? Ethanol - strong ? Glucose - nonelectrolyte? am i right?

asked by ELECTROLYTES! on October 4, 2015
83. chemistry

write ionic equation for : potassium carbonate and sodium sulfate sulfuric acid and strontium chloride potassium phosphate and sodium hydroxide sodium hydroxide and strontium chloride

asked by ceezale on October 23, 2011
84. Chemistry

Enough concentrated sulfuric acid solution was added to provide 3 grams of sulfuric acid which dissolved i4 grams of pure fluorapatite. How much excess sulfuric acid was used? (report answer in grams of H2SO4

asked by Mae on March 27, 2016
85. Chemistry

Elemental sulfur can form sulfur trioxide when burned. When sulfur trioxide is dissolved in water, it yields sulfuric acid. The net reaction is shown. What mass of sulfur is needed to yield 138 grams of sulfuric acid. S8(s) + 12O2(g) + 8H2O(l) -->

asked by Trevor on September 30, 2008
86. Chemistry

Can someone check my answers for me thank you. I have the equation balanced below. 2H2O + K2SO4 --> H2SO4 + 2KOH Ionic equation for the reaction between sulfuric acid and potassium hydroxide. 2H+ + SO4^2- + 2K+ + 2OH- --> 2K+ + SO4^2- + 2H2O Net equation

asked by Susie on January 13, 2008
87. Chem

If 25.0 cm3 of 0.50M sulfuric acid reacted with exactly 12.5 cm3 of sodium hydroxide, calculate the concentration of the alkali. I first balanced the chemical equation between sulfuric acid and sodium hydroxide. H2SO4 + 2NaOH --> 2H2O + Na2SO4 I converted

88. Chemistry

This lab is ruining me. isopentyl acetate is a blend of isopentanol, acetic acid, and sulfuric acid. How can products be determined from this information? ethyl acetate is ethyl alcohol, acetic acid and sulfuric acid. Octyl Acetate is n-octanol,

asked by Aidan on January 14, 2010
89. Chemistry

This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients

asked by Melinda on October 11, 2012
90. Chemistry

This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients

asked by Melinda on October 11, 2012
91. Chemistry...Help?

I've been trying to understand these two questions and I've re-read my textbook a dozen times but I still get confused. 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains

asked by Rachel on May 12, 2009
92. Math

A solution of 10% sulfuric acid and one of 25% sulfuric acid are to be used to make 500 ml of 20% sulfuric acid. How many ml of each solution needs to be used in the mixture? (round answers to the nearest ml)

asked by Kira on September 8, 2015
93. chemistry

The compete oxidation of 2g of an aldehyde A by acidified potassium chromate produces 2.1g of carboxylic acid B which is dissolved in 50 ml of distilled water . The obtained solution reacts with exactly 1.05 g of solid lime to form salt C a) Write the

asked by dani on July 20, 2016
94. Chemistry

I will do an experiment that includes 4 grams of aluminum hydroxide and iron (III) oxide mixture, where 75% of it is Al(OH)3, and 15 ml of water and 25 ml of 2M KOH will be added and then boiled so that the Al(OH)3 dissolves. It will be filtered and then

asked by Tiffany on March 25, 2012

In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

asked by Tricia on February 26, 2014
96. Lab/Chemistry

In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

asked by Tricia on February 26, 2014
97. Phamacy math

One teaspoonful diluted to a quart results in a 1/5000 solution. What is the amount of potassium permanganate in grams required to fill this prescription?

asked by Nick on September 22, 2012
98. chemistry

Aqueous sulfuric acid is neutralized by aqueous potassium hydroxide. Express your answer as an ionic equation. Identify all of the phases in your answer.

asked by Missy on October 12, 2010
99. Chem

Citric acid (H3C6H5O7) is triprotic acid which reacts with NaOH according to the balanced chemical equation shown below what volume of 0.200m Naoh is required to titrate 7.50ml of lemon juice which is 0.245 m in citric acid? H3C6H5O7+3NaOH->Na3C6H5aO7+

asked by Ray on April 22, 2013
100. Chemistry

In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. 2 SO2 + 1 O2 + 2 H2O --> 2 H2SO4 If 5.45 g SO2 react with excess oxygen and water, how many

asked by ChaCha on February 4, 2008