1. chemistry

    One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing rhodium(III) sulfate According to the following balanced chemical equation: Rh2(SO4)3(aq)+ 6NaOH(aq)→ 2Rh(OH)3(s)+ 3Na2SO4(aq)

    asked by Jane on March 14, 2013
  2. chemistry

    Iron(II) can be oxidized by an acidic K2Cr2O7 solution according to the net ionic equation. Cr2O72− + 6 Fe2+ + 14 H+ 2 Cr3+ + 6 Fe3+ + 7 H2O If it takes 44.0 mL of 0.0250 M K2Cr2O7 to titrate 25.0 mL of a solution containing Fe2+, what is the molar

    asked by Robert on March 3, 2011
  3. Chemistry1

    The questions asks to write a word equation and a balanced chemical equation for a reaction between aqueous copper (ii) sulfate and solid iron. Assume that iron forms the Fe2+ ion.) Include proper states of matter after each substance (s, l, g, aq). Here

    asked by Dina on February 22, 2016
  4. Chemistry; Please help

    Write formulas for the following. 1. potassium hexacyanoferrate(III) 2. sodium hexafluoroaluminate 3. Pentaaquabromomanganese(III) sulfate 4. hexaamminechromium(III) nitrate 5. sodium tetrahydroxochromate(III) 6.trans-dichlorobis(ethylenediamine)cobalt

    asked by Sharon on January 26, 2011
  5. Chemistry

    How many oxygen atoms are represented in the formula Fe2(SO4)3?

    asked by Sam on December 6, 2011
  6. chemistry

    One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium (III) hydroxide from a solution containing rhodium(III) sulfate according to the following balanced chemical equation: Rh2(SO4)3(aq)+6NaOH(aq)-->2Rh(OH)3(s)+3Na2SO4(aq)

    asked by Monteshia on November 17, 2014
  7. chemistry

    The formula for epsom salt is MgSO4 . 7H20 If 1.250 g of the compound is dissolved in water, calculate the number of milliliters of .200 M Ba(NO3)2 that would be required to precipitate all of the sulfate ions as barium sulfate. I got that right with an

    asked by kelly on October 10, 2010
  8. chemistry

    A 3.75-G SAMPLE OF IRON ORE IS TRANSFORMED TO A SOLUTION OF IRON(II)SULFATE, FeSO4,AND THIS SOLUTION IS TITRATED WITH 0.150 M K2Cr2O7. IF IT REQUIRES 43.7 mL OF POTASSIUM DICHROMATE SOLUTION TO TITRATE THE IRON(II)SULFATE SOLUTION, WHAT IS THE PERCENTAGE

    asked by malissa on October 23, 2012
  9. Is the Cations and Anions right?

    Is the Cations and Anions right? Iron (III) Sulfate its F 3+ and SO2- Colbalt (II) Chloride its Co+ and Cl-2 Nickel (II) Chloride its Ni 2+ and Cl-2 Copper (II) Sulfate its CU+ and SO-4 Are these right?

    asked by Abby on February 19, 2014
  10. chemistry

    Iron reacts with chlorine to form iron(iii)chloride. A)How many chlorines react with 1.86g of iron? B)What mass of iron(iii)chloride is produced?

    asked by Ava on October 23, 2013
  11. Chemistry

    Write the dissociation equation for iron(II) ammonium sulfate hexahydrate in water . Fe(NH4)2(SO4)2 * 6H2O --> __?________ I know dissociate means to take apart so for example; NaCl would look like Na^+ + Cl^- And another one like: Fe2(SO4)3 would look

    asked by Christine on October 4, 2015
  12. Chem

    This is a lab concerning activity serious of metals and calculation of electrode portentions... Complete the following: if there is NO reaction write NR: (They provided the reactants, my answer is the products) Iron(s) + copper sulfate(aq) → iron

    asked by Marisol on March 28, 2007
  13. Chemistry

    I'm doing a lab where I have to identify the oxidization state of Iron. Here's the procedure I had to go through: Use 0.5 molar concentration of CuSO4, get another beaker and add 0.1 grams of Iron to it. Add the CuSO4 to the beaker with the Iron fillings.

    asked by Alex Li on January 15, 2017
  14. Chemistry

    An iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe2+(aq). The iron solution was titrated with 38.54 mL of 0.471 M Ce4+ solution according to the balanced chemical equation below. Ce4+(aq) + Fe2+(aq) -> Ce3+(aq) +

    asked by Bob on March 11, 2009
  15. chemistry

    balance the following chemical equation Fe2(So4)3 + KSCN = K3Fe(SCN)6 + K2So4 my answer: Fe2(So4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2So4 is my answer correct?

    asked by anonymous on September 16, 2019
  16. chemistry

    Determine the number of moles of sulfate ions present in 1.20 mol iron(III) sulfate (Fe2(SO4)3).

    asked by q on January 13, 2010
  17. chemistry

    When aqueous solutions of iron (III) sulfate (Fe2(SO4)3) and sodkum hydroxide were mixed, a precipitate formed. What is the precipitate?

    asked by Ama on November 25, 2012
  18. Chemistry

    write the formula for iron(II)bromide iron(III) sulfate

    asked by Anonymous on November 28, 2010
  19. chemistry

    When anhydrous iron sulfate decomposes it forms iron (III) oxide, sulfur (IV) dioxide and sulfer (VI) oxide. Write a balanced equation for this reaction. My answer is this: FeSO4 ----> Fe2O3 + SO2 + SO3 Is that right?

    asked by Franky on October 2, 2011
  20. chemistry

    Aqueous solutions of iron (III) sulphate and barium hydroxide are combined. Does a precipitate form? If yes write a net ionic equation for the precipitation reaction. You first identify the formula of the aqueous compounds (note that iron is said to be

    asked by luke on November 13, 2011
  21. science

    I need help to find the answer to this problem: The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?

    asked by wizzkid01 on December 16, 2008
  22. Chemistry

    A sample of 1.55g of iron ore is dissolved in a acid solution in which the iron is converted into Fe2+. The solution formed is then titrated with KMnO4 which oxidises Fe2+ to Fe3+ while the MnO4- ions are reduced to Mn2+ ions. 92.95 mL of 0.020M KMnO4 is

    asked by Hidayah on June 9, 2018
  23. Chemistry

    A 0.1300 g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe2+(aq). The iron solution was titrated with Ce4+ solution according to the balanced chemical reaction shown below. After calculation, it was found that 0.0259 g of

    asked by Bob on March 13, 2009
  24. chemistry

    Write the balanced chemical reaction for the rusting of iron? the acidic vinegar dissolved a protective coating off the steel wool, allowing the oxidation of the steel to begin. This process is called rusting. In this reaction, iron(III) is combined with

    asked by Rox on April 23, 2007
  25. chemistry

    I need to wtite a balanced equation and indicate the type of reaction for these questions 1) ammonium nitrite= nitrogen+ water 2) ammonia+ oxygen = nitrogen (ii) oxide + water 3) barium chloirde + sodium sulfate= sodium chloride + barium sulfate 4)

    asked by Branden on July 25, 2012
  26. Chemistry

    Aluminum metal reacts with iron (III) oxide to produce aluminum oxide and iron metal. Answers the following three questions note: you will need to write a balanced equation to answer them Al: 26.9 amu Fe: 55.8 amu O: 16 amu 1 How many moles of iron (III)

    asked by Sara on May 1, 2015
  27. chemistry

    a sample iron ore is dissolved in an acidic solution in which yhe iron is converted into fe2+. the solution formed the titrated with kmno4 which oxidies fe2+ to fe3+ while kmno- ions are reduced to mn2+. 92.95 ml of 0..02M of kmno4 is required for

    asked by amirah on June 8, 2018
  28. chemistry

    write the formula for and indicate the charge on each of the following ions: a) sodium ion b) aluminum ion c) chloride ion d) nitride ion e e)iron (II) ion f) iron (III) ion

    asked by john on February 28, 2008
  29. Chemistry

    How many milliliters of 0.250 M KMnO4 are needed to react with 3.36 g of Iron(II) sulfate, FeSO4? The reaction is as follows: 10FeSO4(aq) + 2KMnO4(aq) + 8H2SO4(aq) ¨ 5Fe2(SO4)3(aq) + 2MnSO4(aq) + K2SO4(aq) + 8 H2O(l

    asked by John on October 9, 2011
  30. Chemistry

    Write the formula for iron (III) sulfate. My answer is Fe2(SO4)3

    asked by Ciaria on March 3, 2015
  31. Chemistry

    I need to write the total ionic equation for this equation. Copper(ii)sulfate + iron = iron(iii)+ copper. Won't it be Cu2+ + SO4-2 + Fe = Fe3+ + Cu ? The answer key say 3Cu2+ + 3SO4-2 + 2Fe = 2Fe3+ + 3SO4-2 + 3Cu Where did they get the sulfate for the

    asked by Shadow on January 13, 2013
  32. Chemistry

    Write the dissociation equation for iron(II) ammonium sulfate hexahydrate in water . Fe(NH4)2(SO4)2 * 6H2O --> __?________ I know dissociate means to take apart so for example; NaCl would look like Na^+ + Cl^- And another one like: Fe2(SO4)3 would look

    asked by Christine on October 4, 2015
  33. Chemistry 110

    Write the formulas of the principal molecular or ionic species present in an aqueous solution of each substance. (a) Sodium Chloride, NaCl (b) Hydrogen bromide, HBr (c) Iron (III) sulfate, Fe2(SO4)3 (d) Ethanol, CH3CH2OH (e) Glucose, C6H12O6 (f) Ammonium

    asked by kim k on November 9, 2010
  34. Chemistry

    1. Write the formulas of the principal molecular or ionic species present in an aqueous solution of each substance. (a) Sodium Chloride, NaCl Na+ + Cl- (b) Hydrogen bromide, HBr (c) Iron (III) sulfate, Fe2(SO4)3 (d) Ethanol, CH3CH2OH (e) Glucose, C6H12O6

    asked by Sara on November 9, 2010
  35. chemistry 101

    Given the following dissolving process: Fe2(SO4)3 (s) = 2Fe3+ (aq) + 3SO42- (aq) How many grams of iron (III) ions are produced when 0.450 moles of sulfate ion are produced? options: 50.3 g 16.8 g 50.3 g 37.7 g 75.4 g

    asked by ABCD on July 8, 2011
  36. Chem

    2Fe(SO4)3+6koh--->2Fe(OH)3+3k2(SO4) if you started with 12.3 g of potassium hydroxide and a sufficient amount of iron III sulfate how many grams of iron III hydroxide will form?

    asked by hanah on December 3, 2012
  37. Chemistry- test for presence of sulphate

    I have a solution of Fe2(SO4)3, i.e. iron(III) sulphate solution. To test for the presence of the sulphate anion, nitric acid & barium nitrate were added. A white precipitate was obtained. Please help to check if the following equation is correct for the

    asked by june on January 18, 2009
  38. 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 14, 2013
  39. Chemistry

    Why would copper (II) sulfate solution react with iron to produce 3 CuSO4(aq) + 2 Fe (s) = 3 Cu (s) + Fe2(SO4)3 (aq)

    asked by Victoria on May 22, 2014
  40. Chemistry

    There's reaction involving gas: Fe + H2SO4 -> Fe2(SO4)3 + H2O + SO2 How Fe2(SO4)3 is occur? I know the "2" comes from the ion of SO4, but I don't know where the "3" comes up. Is the Fe2(SO4)3 comes up from half-reaction method? Is the reaction occurs in

    asked by Jeremy on March 19, 2015
  41. 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
  42. Chemistry

    what reagent with observations are used to separate(i)Fe2+$Fe3+ (ii)Mg2+$Fe2+ (iii)Cu2+$Al3+ (iv)SO4(2+)$CO3(2+)

    asked by Kane on May 31, 2019
  43. chemistry

    Really need help on figuring out the formula for Iron Complex. The question was: 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2*SO4*6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. I got the moles of ferrous

    asked by Nika on November 28, 2010
  44. CHEMISTRY

    if i perform this reaction with 25 grams of iron III phosphate and an excess of sodium sulfate, how many grams of iron III sulfate can i make

    asked by EBONY on October 29, 2009
  45. Chemistry

    I need help setting up this problem. How many milliliters of 0.203 M KMnO4 are needed to react with 3.64 g of iron(II) sulfate, FeSO4? The reaction is as follows. 10 FeSO4(aq) + 2 KMnO4(aq) + 8 H2SO4(aq) → 5 Fe2(SO4)3(aq) + 2 MnSO4(aq) + K2SO4(aq) + 8

    asked by Amanda on October 21, 2009
  46. Chemistry

    Translate the following sentences into unbalanced formula equations: (1) silver nitrate and soduim chloride react to form silver chloride and sodium nitrate. (2) iron (III) sulfate and calcium hydroxide react to form iron (III) hydroxide and calcium

    asked by M on October 25, 2007
  47. chemistry

    how many grams of iron (iii) nitrate are needed to produce 25.0 g of iron (iii) sulfate form sulfuric acid?

    asked by jinie on May 6, 2013
  48. Chemistry

    What are the charges of the ions in an ionic compound containing iron(III) and fluoride ions? a)iron(III)- i got 3+ b) flouride- im not sure on this one c)Write the formula for the compound. (Type your answer using the format CO2 for CO2.) - Fe3F2... i rly

    asked by Hannah on October 14, 2010
  49. chemistry

    explain how to set up: what mass of iron(III) carbonate would be produced if 545 ml of 0.150 M iron(III) choloride were added to a solution containing excess sodium carbonate. Given reaction of 2FECL3(aq) + 3Na2CO3(aq)---- Fe2(CO3)3 (s) + 6 NaCl (aq) thank

    asked by Jamie on July 2, 2011
  50. Chemistry

    1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify

    asked by Justin on November 28, 2010
  51. Chemistry

    1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify

    asked by Justin on November 28, 2010
  52. Chemistry

    The maximum solubility of silver sulfate, Ag2SO4 [molar mass = 312], is 4.50 g/L at 25°C. Silver sulfate dissociates by the reaction below: Ag2SO4(s) 2 Ag+ (aq)+ SO4¯² (aq) 1.What are the [Ag+] and [SO4¯²] in a saturated solution of silver sulfate

    asked by Paul on March 20, 2011
  53. Chemistry 20

    Determine the amount concentration of the iron ions and sulfate ions in a 0.620 mol/L solution of iron(III) sulfate. Including the balanced chemical equation.

    asked by Anonymous on November 15, 2010
  54. Chemistry

    What is the complete ionic equation for the following reaction? Aqueous iron(III) sulfate is added to aqueous sodium sulfide to produce solid iron(III) sulfide and aqueous sodium sulfate.

    asked by Sarah on March 28, 2016
  55. chemistry

    How many moles of sulfate ions are in 100 ml of a solution of .002 M Fe2(SO4)3?

    asked by Moyer on March 19, 2013
  56. Ion charge & formulas of ionic compunds-DrBob222

    These are the other questions: I'll start from Number 1. 1. I have to write down the symbol for the following ions: a- sodium = Na b- chloride = CL c- sulfate = S d- ammonium = ? would it be NH4? e- chromium (II) = Cr f- chromium(III) = Cr 2. write the

    asked by Sara on April 20, 2010
  57. Chemistry

    please balance this chemical equation iron +oxygen > iron (III) oxide +energy Fe + O2> Fe2 O3 + heat and light

    asked by Donald on December 10, 2015
  58. Soil Chemistry

    In saturated soils, oxygen is quickly depleted and microbes must utilize the next most favorable electron acceptor, in this case sulfate (SO42-). Under these conditions, Mn (and Fe) are oxidized to Mn2+ (and Fe2+). Select the correct oxidation and

    asked by John on June 30, 2014
  59. Chemistry

    6 separate questions. I have figured out the other 20 questions I am stuck. Please help Thanks The correct name for the ionic compound Al2Se3 is? The correct name for the ionic compound Fe2Se3 is? the Roman numerall III in the name Iron(III)oxice indicates

    asked by Lisa on February 9, 2014
  60. chemistry

    In aqueous solution Mg consists as an ion +2 . What would the formula of the metal salt magnesium sulfate be?? I think it will be Mg(SO4)2 as Mg is a positive ion +2 and SO4 is negative ion SO4- Can you chceck please?

    asked by Miki on September 1, 2007
  61. Chemistry

    These are the problems I am having trouble with. 1.The first step of the synthesis is described by the reaction below. When 1.750 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4 , the theoretical yield of FeC2O42H2O is how many grams?

    asked by Thanh on January 26, 2009
  62. general chemistry

    I need the oxidation half reactions, reduction half reactions, and net ionic equations for the following reactions: 1)magnesium +0.1M zinc sulfate 2)copper+0.1M zinc sulfate 3)zinc+0.1M copper(II)sulfate 4)zinc+3M HCl 5)copper+3M HCl 6)0.1M potassium

    asked by masooma on November 13, 2010
  63. HELP PLEASE

    why is Fe2O3 = Iron III oxide and FeSO4 = Iron II Sulfate

    asked by sam on December 8, 2007
  64. chemistry

    When the equation Fe2(SO4)3(aq) + 3Ba(OH)2(aq) ! is completed and balanced, a term in the balanced equation is 1. 2 Fe(OH)(s). 2. 2 Fe2(SO4)3(aq). 3. Ba2(SO4)3(aq). 4. 2 Fe(OH)3(s).

    asked by lynn on November 6, 2011
  65. 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
  66. 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
  67. chemistry /help please

    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
  68. chemistry / help please

    For each reaction,which ion in the precipitate was responsible for the color 1-reaction of Sodium Hydroxide and Copper(II)Sulfate 2-reaction of Sodium Sulfate and Barium Chloride. 3-reaction of Sodium Hydroxide and Iron(III)Sulfate. 4-reaction of Sodium

    asked by Marie on May 10, 2012
  69. Chemistry

    The problem on my homework is: What mass in grams of iron metal is required to react with 2.50 L of .1500 M of sulfuric acid to produce 18.35g of iron (III) sulfate? please help!

    asked by Lauren on May 23, 2010
  70. 12th grade chemistry

    How many molecules of water can be made from 9.21 x 10^22 molecules of hydrogen sulfate? The equation is 2Fe(OH)3 + 3H2SO4 -> Fe2(SO4)3 + 6H2O

    asked by TJ on March 2, 2011
  71. chemistry

    3CaCO3+2FePO4-->Ca3(PO4)2+Fe2(CO3)3 We start with 100g. of calcium carbonate and 45g. iron (III) phosphate. What is the maximum amount of Ca3(PO4)2 and Fe2(CO3)3 ??

    asked by emily on May 14, 2012
  72. Chemistry

    What colour and formula are the iron 2+ & iron 3+ chloride complexes? http://en.wikipedia.org/wiki/Iron(III)_chloride

    asked by James on March 4, 2007
  73. Chemistry

    Consider the following compound: uranium (VI) sulfate I think the answer is U2(SO4)6 but I'm not sure if I need to simplify it to U(SO4)3 Thank you for your time!

    asked by Tina on September 17, 2013
  74. Analytic Chemistry

    Barium Sulfate precipitated from a 1.300 sample was contaminated with 9.4 mg of Fe2(SO4)3 and weighed a total of 314.0 mg. Calculate the apparent % BaSO4 and True % BaSO4

    asked by Nacorda on July 5, 2017
  75. chemistry - DrBob222

    For this question can u please explain steps 3 and 4 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2 SO4 6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. Can someone please show me how to calculate a question

    asked by eddy on November 15, 2010
  76. chemistry

    How many grams of hydrogen can be prepared by treating 2.63 g of iron with 130.0 mL of 1.50 M sulfuric acid solution, to give iron(III) sulfate and hydrogen?

    asked by sarah on September 30, 2012
  77. Chemistry

    Iron (III) hydroxide is soluble in acid: Fe(OH)3(s)3H^+(aq)-->Fe^3^+(aq)+3H2O(l) a. How many milliliters of 1.00 M HCl are needed to dissolve 1.00 g of iron (III) hydroxide? b. If you added enough HCl to dissolve the 1.00 g of iron (III) hydroxide and then

    asked by Kelly on November 11, 2012
  78. chem

    Iron (III) sulfate is a yellow compound that is used as a coagulant in water treatment. write a balance chemical equation and a solubility product expression for its dissolution in water. Please Help

    asked by Anonymous on April 18, 2012
  79. Chemistry

    In the laboratory a student combines 41.7 mL of a 0.386 M iron(III) fluoride solution with 21.3 mL of a 0.616 M iron(III) bromide solution. What is the final concentration of iron(III) cation ?

    asked by Anonymous on October 19, 2017
  80. APC Chemistry

    Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify both Fe2+ and Fe3+ in this solution?

    asked by Anonymous on September 29, 2010
  81. Chemistry

    Iron ore consists mainly of iron III oxide. When iron III oxide is heated with an excess of coke(carbon), iron metal and carbon monoxide are produced. Assume that even if an excess of coke is not present that the reaction proceeds as described. A)write a

    asked by Nicole on October 15, 2006
  82. chemistry

    Please balance magnesium sulfate and iron III acetate

    asked by D on March 6, 2018
  83. chemistry

    calculate the mass of sulfur in 6.0 g of Iron (III) sulfate

    asked by payton on October 25, 2011
  84. Chem 12

    How can I do this: 3KNO3(aq)+ Fe(SCN)3(aq) + NaOH(aq) ? what do you have to do? write the products it makes. I don't know the products it makes. I have to figure out what adding all those produces. Im not sure its even possible? yes it is possible. first

    asked by Nick on December 3, 2006
  85. science

    Iron is obtained by reduction of iron(iii)oxide gas in a blast furnace.calculate the amount of iron(iii)oxide needed to produce 100tonnes of iron.

    asked by Ibrahim on September 29, 2016
  86. chemistry

    When the iron (II) ammonium sulfate was mixed with the [Fe2+(CN-)6]4- ion, the precipitate was initially white but turned blue upon exposure to air. What happened to the iron (II) ion when the precipitate turned blue?

    asked by Anonymous on April 5, 2010
  87. ap chemistry

    The formula for epsom salt is MgSO4 . 7H20 If 1.250 g of the compound is dissolved in water, calculate the number of milliliters of .200 M Ba(NO3)2 that would be required to precipitate all of the sulfate ions as barium sulfate. Do it for 1.000 g of alum,

    asked by thomas richards on October 10, 2010
  88. AP Chem (Thank you for help)

    Hey guys! Stuck on some Redox Reactions. I tried my best to put as much work as I could, but I'm super stuck on these ones. Thanks for any help: 1) Balance the equation as written, what is the coefficient for O2? NH4+ + O2-->NO2− + H2O (in basic

    asked by Allie on October 17, 2015
  89. chemistry - Can you please check

    Calculate the amount (g) of each of the following salts that need to be added to a 200 mL volumetric flask to produce a 2 M solution of S. CaSO4 (NH4)2SO4 Fe2(SO4)3 Dr. BOB222, Could you please check the following? Thank you. CaSO4: moles x atomic mass =

    asked by Sejul on January 23, 2013
  90. Chemistry

    If 13.75 g of iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron (III) sulfide are produced? Report your answer to 2 sig figs

    asked by Stacey on July 8, 2012
  91. chemistry

    Predict the products and then write the complete balanced chemical equation with states of matter: 1. Sulfuric Acid and sodium hydroxide 2. Aluminum and copper (II) sulfate 3. Silver nitrate and iron (III) chloride 4. Magnesium heated 5. Aluminum oxide

    asked by Graham on February 8, 2011
  92. Chemistry....

    Wouldn't it be 3*0.234 instead of 2* 0.234? since....2Al3+ +3SO4 2- ----> Al2(SO4)3 4.) A solution is prepared by dissolving 25.0 g of aluminum sulfate in enough water to make 125.0 mL of stock solution. A 10.0 mL aliquot (portion) of this stock solution

    asked by Anonymous on October 25, 2013
  93. Chemistry

    The concentration of ammonium ion in the solution of the salt called ferrous ammonium sulfate, formula [Fe(NH4)]2(SO4)3, is 0.360 M. The concentration of sulfate ions in this solution is?

    asked by Colby on September 27, 2016
  94. chem

    25.0 mL of 0.125 M silver nitrate are mixed with 35.0mL of 0.100 M sodium sulfate to give solid silver sulfate. Write the net ionic equation, and determine the mass in grams of silver sulfate produced. I think the net ionic equation is 2Ag(aq) + SO4^-2(aq)

    asked by Lori on December 14, 2010
  95. chemistry

    If the decomposition of 3.785 g iron (III) chloride yields 1.302 g iron and 2.483 g chlorine, how many grams of iron and chlorine are produced when 2.175 g iron (III) chloride decomposes?

    asked by allie on September 29, 2010
  96. Chemistry

    If the decomposition of 3.785 g iron (III) chloride yields 1.302 g iron and 2.483 g chlorine, how many grams of iron and chlorine are produced when 2.175 g iron (III) chloride decomposes?

    asked by Ray on September 28, 2010
  97. chemistry

    A 0.1943g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe 2+ (aq). The iron solution was titrated with Ce 4+ solution according to the balanced chemical reaction shown below.After calculation, it was found that 0.0237 g

    asked by matt on October 17, 2010
  98. chemistry

    how many milliliters of 0.250 M KMnO4 are needed to react with 3.55 grams of iron(II)sulfate, FeSO4? the reaction is as follows: 10FeSO4(aq)+2KMnO4(aq)+8H2SO4(aq)¨ 5Fe2(SO4)3(aq)+2MnSO4(aq)+K2SO4(aq)+8H2O(l)

    asked by robert on October 23, 2012
  99. chemistry

    What is the mass of 5.33 mol Fe2(SO4)3? Answer in units of g

    asked by kayy on October 31, 2014
  100. chemistry

    Iron (iii) hydroxide reacts with acetic acid to form iron (iii) acetate and water. If 45.4 grams of water are formed, how many grams of iron (iii) acetate will be produced? Fe(OH)3 + 3HC2H2O2 --> Fe(C2H3O2)3 + 3H2O

    asked by tur on April 22, 2020