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February 7, 2016

Search: how many mL urea solution required to react with Fe3+

Number of results: 28,845

Chemistry HW!!!
1. If I dilute 75 mL of 0.50 M CaF2 solution to a final volume of 375 mL, what will be the molarity of the resulting solution? 2. What will be the final volume of the solution be if I start with a 250 mL of 1.38 M MgCl2 solution to make a solution with a concentration of 0.30 ...
March 11, 2015 by Theresa

chemistry
5.0 mL of H2SO4 solution was titrated with 0.20 M NaOH standard solution. The volume of NaOH needed to reach the equivalent point was 9.5 mL. 1. In this titration setup, what is the titrant? and what is the analyte? 2. What is the number of mole of H2SO4 in the 5.0 mL solution...
November 12, 2014 by hj3s

Chemistry
hey guys can you please help me with this question. Identify the steps required to standardize a 0.1M HCl stock solution with sodium carbonate: Na2CO3, mol wt. = 105.99 g/mol. thank you
August 22, 2007 by Josephine

Chemistry
In a titration of 26.0 mL of 0.840 M H2SO4, __________ mL of a 0.200 M KOH solution is required for neutralization. Express your answer to the nearest 1/10 mL. Hint: remember H2SO4 is a diprotic acid
March 10, 2010 by Camarra

Chemistry
How many mL of concentrated HCl(aq) (36% HCL by mass, d=1.18g/mL_ are required to produce 12.5 L of a solution with ph = 2.10? First I started with finding out the concentration of [H30+] and for that I got 7.94 x 10^-3 but I don't know how to continue.
June 7, 2011 by K

Chemistry Help please!
What mass of Na2CO3 is required to prepare 607.0 mL of 0.250 M solution? Use a molar mass with at least as many significant figures as the data given. ____g?
October 3, 2011 by MBH

chemistry
What is the molarity of a sulfuric acid solution if 30.00mL of H2SO4 is required to neutralize 0.840g of sodium hydrogen carbonate? H2SO4(aq) + NaHCO3(aq) → Na2SO4(aq) + H2O(l)+ CO 2(aq)
December 4, 2012 by shane

CHemistry
Which one of the following is expected to be the strongest Lewis acid? Fe, Fe+, Fe2+, Fe3+ Which do you think would accept electrons the easier? Fe(s) or Fe^+? Do that same kind of logic on the others one by one.
April 27, 2007 by Joel

college algebra (maths 112)
To conduct a new experiment, a scientist needs a 23% salt water solution. How much of a 13% solution must be mixed with 45 quarts of a 32% solution to get the proper solution?
February 24, 2011 by Anonymous

science
solution A was prepared by dissolving 0.63g of HNO3 in 100cm3 solution. Solution B is a sodium calcium hydroxide solution of unknown concentration. state a balanced chemical equation for the reaction
August 25, 2015 by Zoe

Chemistry
The specific heat of a solution is X J/g*degreesC and its density is Y g/mL. The solution was formed by combining Z mL of solution A with Z mL of solution B, with each solution initially at J degreesC. The final temperature of the combined solutions is D. The heat capacity of ...
April 2, 2010 by Fred

math
A pharmacist wishes to mix a solution that is 6% Minocidil. She has on hand 60 ml of a 3% solution and wishes to add some 8% solution to obtain the desired 6% solution. How much 8% solution should she add?
January 17, 2012 by Hali

CHEMISTRY
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br- and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may represent C9H7NH+ as HB+ and...
November 28, 2012 by sabrina: Please help

CHEMISTRY
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br- and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may represent C9H7NH+ as HB+ and...
November 28, 2012 by sabrina: Please help

physical chemistry
how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i dont know how im supposed to calculate it from this data
February 17, 2010 by lucy

Chemistry 102
Using your average value for Kc (6.92x10^2) and the concentrations provided for the reactants (0.00111mol/L for both), determine the absorbance expected when a 16.00mL of Fe3+ is reacted with 10.00ml of SCN and measured in a 1.00cm cuvette.
January 27, 2016 by Taylor

Chem Problem
I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 ...
October 10, 2012 by Kelli

Chem Problem
I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 ...
October 10, 2012 by Kelli

CHEMISTRY URGENT!
assume that 13.5g of AL react with HCl according to the following equation, at STP: Al(s) + HCl(aq) ---> AlCl3 + H2(g) Remember to balance the equation first. a. how many moles of Al react? b. how mang moles of H2 are produced? c. how mang liters of H2 at STP are produced? ...
February 3, 2013 by kikie

Accounting
Is a straigh-line amortization basis for trademarks required under U.S GAAP ? or is another method required ?
February 5, 2008 by Sarah

CHEMISTRY
Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium system of unknown ...
December 3, 2013 by Anonymous

chemistry
I need help with this question please help, I just don't understand it Fe3+ (aq), Ca2+ (aq) and Ba2+ are all present in the same solution. Fully describe a procedure whereby you could separate these ions from one another Mr Pursley posted this response, but I don't understand...
November 13, 2011 by Kali

Science
A fixed, single pulley that is used to lift a block does which one of the following? A. doubles the force required to lift the block B. decreases the force required to lift the block C. makes the block easier to lift by changing the direction of the force needed to lift it D. ...
April 10, 2013 by Cassie

chem
PLEEEZE help name the type of reaction K + MgBr -> Not enough information is provided. And not magnesium bromide is MgBr2. Is this a solution phase or exactly how is the K metal added to the MgBr2? As DrBob has indicated, not all of the information has been provided. You ...
February 19, 2007 by key

chemistry
Hey, I am having a real hard time getting the answers to the problems. Any help would be greatly aprreciated! 1. When 11 mL of a solution containing 2.9 M AlBr3 is diluted to 33 mL, a dilute solution is formed. What is the Br- concentration in 25 mL of the dilute solution? 2. ...
November 7, 2007 by chelsea

chemistry
Balance following oxidation reduction reactions using oxidation states method? a) Cl2(g) + Al(s) --> Al3+(aq) + Cl- b.) O2(g) + H2O(l) + Pb(s) --> Pb(OH)2(s) c) H+(aq) + MnO4-(aq) + Fe2+(aq) --> Mn2+(aq) + Fe3+(aq) + H2O(l)
September 28, 2014 by mathew

chemistry
An aqueous solution is made using 137g of diluted to a total solution volume of 1.30L .Calculate the molarity.molality and mass percent of solution.*assume a density of 1.08g/ml for the solution..
July 28, 2012 by noor

mixture problems
A chemist has two solutions of sulfuric acid. One is a 25% solution, and the other is a 50% solution. How many liters of each does the chemist mix to get 10 liters of a 40% solution? 25% solution L: 50% solution L:
November 21, 2014 by Kendall

Physics
The work required to stretch a certain spring from an elongation of 4.73 cm to an elongation of 5.73 cm is 31.7 J. (a) Is the work required to increase the elongation of the spring from 5.73 cm to 6.73 cm greater than, less than, or equal to 31.7 J? (b) Verify your answer to ...
February 22, 2011 by Lauren

adult education
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? o If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to ...
November 28, 2009 by cristale

chemistry
Calculate (a) the moles and (b) the mass of magnesium carbonate at the start if 0.2 moles of sulfuric acid is added to the magnesium carbonate and the excess sulfuric acid made up to a 250 cm3 solution. 25 cm3 of this solution required 0.03 moles of sodium hydroxide for ...
October 9, 2014 by sabs

ochem
Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.
January 29, 2009 by steve

chemistry
Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.
February 2, 2009 by Jane

chemistry
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation
January 31, 2010 by Fann

Chemistry
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.
February 1, 2011 by Shannon

Chemistry Dr. BOB
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq) + MnO4-(aq) ? Mn2+(aq...
November 15, 2015 by Dalton

Chemistry
I did a lab in which I added ionic solutions to tap and distilled water and another ionic solution. Distilled water is the control because it does not react to any solutions since it doesn't contain ions. But one of the lab questions I need to answer is: These tests cannot ...
November 16, 2008 by Fred

chemistry
A student prepares a solution of hydrochloric acid that is approximately 0.1 M and wanted to determine its precise concentration. A 25.00 mL portion of the HCl solution is transferred to a flask, and after a few drops of indicator are added, the HCl solution is titrated with 0...
June 14, 2015 by walter

Chemistry
A student was given 100mL of HCL solution in a 250mL beaker and told that the HCL was 0.11M. The student was also given phenolphthalein indicator and 250 ML of 0.1234 M NaOH. The student first filled a buret with NaOH solution. The student then placed an appropriate volume of ...
November 21, 2013 by Lenny

physical chemistry PLEASE HELP!!!
how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i dont know how im supposed to calculate it from this data
February 17, 2010 by lucy

Chemistry
Use the following answers for questions 1 - 3. (A) F (B) S (C) Mg (D) Ar (E) Mn 3. Forms oxides that are common air pollutants and that yield acidic solution in water I think the answer to this one is B, but why is it B? I see how it would yield an acidic solution, but what ...
April 12, 2007 by Rachel

Chemistry
Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium system of unknown ...
December 3, 2013 by Anonymous

finacnce
In the percent-of-sales method, an increase in dividends? A. will decrease required new funds. B. more information is needed. C. has no effect on required new funds. D. will increase required new funds.
May 4, 2009 by Betty romero

Chemistry
Consider this reaction: 3 K2CO3 (aq) + 2 CrCl3 (aq) -> Cr2(CO3)3 (s) + 6 KCl (aq) If 1.2 moles of CrCl3 react, how many moles of K2CO3 will react with it? A. 0.80 mol K2CO3 B. 1.2 mol K2CO3 C. 1.8 mol K2CO3 D. 2.4 mol K2CO3 I'm not sure where to even begin, I know how to ...
April 11, 2015 by Mischa

Chemistry
A solid weak acid is weighed, dissolved in water and diluted to exactly 50.00 ml. 25.00 ml of the solution is taken out and is titrated to a neutral endpoint with 0.10 M NaOH. The titrated portion is then mixed with the remaining untitrated portion and the pH of the mixture is...
April 14, 2015 by JUNDY

chemistry
Phosphorus pentachloride, PCl5, reacts with water to form phosphoric acid, H3PO4, and hydrochloric acid, HCl. PCl5(s) + 4H2O() → H3PO4(aq) + 5HCl(aq) (a) What mass of PCl5 is needed to react with an excess quantity of H2O to produce 23.5 g of H3PO4? (b) How many ...
November 11, 2013 by Nadz

Algebra 1
A restaurant has one type of lemonade that has 12% sugar and another that is 7% sugar. How many gallons of each does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar? a. 12 gallons of the 12% lemonade and 8 gallons of the 7% lemonade. b.10 gallons...
January 5, 2016 by rachel.

Chemistry
The question representing the production of tetraphosphorus trisulfide (P4S3), a substance used in some match hears, is 8P4 + 3S8 ---> 8P4S3. Determine if each of the following statements is correct. If the statement is incorrect, rewrite it to make it correct. a. To ...
November 14, 2012 by Montanna

Chemistry
High concentration of iron (III) ions, Fe3+, cause hard water. Write a balanced equation to show how iron ions can be removed using sodium carbonate, NaCO3.
April 1, 2015 by sharon

science
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation. Any help is appreciatede.
January 31, 2010 by Jander

Chem 100L
Calculate the molarity of an aqueous NaOH solution if 32.00ml of it is required to titrate .6789g of oxalic acid to a phenophthalein end-point. the balanced chemical equation is H2C2O4 + 2NaOH ---> Na2C2O4 + 2H2O
December 2, 2012 by Tammytha

Chem
Determine the volume of 0.250M KOH solution required to neutralize each of the following samples of sulfuric acid. 200mL of 0.135M H2SO4. I have gotten both 0.027 and 0.675. I thought it was mol/L. Please help!
May 8, 2014 by JR

biology
A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur. Solution A: 3.21% (m/v) NaCl Solution B: 1.65% (m/v) glucose Solution C: distilled H2O Solution D: 6.97% (m/v) glucose Solution E: 5.0% (m/v) glucose ...
September 29, 2011 by sol

algebra 2
solve: 3+|2y-1|>1 graph the solution set on a number line. Subtract 3 from each side to get the valid inequality |2y-1|> -2 If 2y>1, then the term inside | | is positive and 2y -1 > -2 2y > -1 Since you already required 2y>1, the allowed value of y are > 1...
July 27, 2007 by anonymous

Chemistry
1. If a student forms CaCO3 from the presence of carbon dioxide, but continued with the trial anyway, how would this affect his/her calculations (too high, too low, or no effect)? Explain your answers. a) The volume of NaOH required for the back titration. b) The calculated ...
April 2, 2013 by Josh

Chemistry
4.How many grams of calcium chloride can be prepared if a student uses 500g if calcium carbonate and 2.00L of a 4.00 Mol/L sodium chloride solution in the reaction.?? 5. 2KMnoO4 + 5 H2C2O4<----need to use this Concentration of 0.24L KMnO4 solution required to oxidize 2.7g ...
June 5, 2009 by Alex

Finance
Condo costs $150,000 buyer gets 15 year mortgage @ 4% . A 15% down payment is required , 1 point is required .
October 20, 2014 by Kathy

CHEMISTRY
how many grams of zinc are required to react with excess acid to make one liter of hydrogen at STP? i have no clue how to go about this i need help Write the balanced equation. Zn + 2HCl ==> ZnCl2 + H2 2. Use PV = nRT to convert 1 L H2 gas to mols OR take the shortcut ...
April 23, 2007 by yellowone

Analytical chemistry
A 25.0-mL solution of 0.0660 M EDTA was added to a 33.0-mL sample containing an unknown concentration of V3 . All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0450 M Ga3 solution until all the EDTA reacted, requiring 13...
April 4, 2013 by Ashley

Chemistry
Chromium is electroplated from an aqueous solution containing H2SO4 and H2CrO4. What current is required to deposit chromium at rate of 1.25g/min. 1.25g x 1mol/51.9961 = .0240mol Now I just don't know how to figure out the number of electrons to do the rest of the steps What ...
April 1, 2007 by Jennifer

Chemistry
A 100 milliliter sample of 0.100-molar NH4Cl solution was added to 80 milliliters of a 0.200-molar solution of NH3. The value of Kb for ammonia is 1.79 x 10^-5. (a) What is the value of pKb for ammonia? (b) What is the pH of the solution described in the question? (c) If 0.200...
April 26, 2010 by Nicole

Chemistry
A 100 milliliter sample of 0.100-molar NH4Cl solution was added to 80 milliliters of a 0.200-molar solution of NH3. The value of Kb for ammonia is 1.79 x 10^-5. (a) What is the value of pKb for ammonia? (b) What is the pH of the solution described in the question? (c) If 0.200...
April 26, 2010 by Nicole

chemistry
When 1.50 g of calcium chloride is dissolved in 150.0 g of water, the temperature of the water rises from 20.50C to 22.25C. Assume that all the heat is absorbed by the solution. (a) Calculate the heat of solution per gram and per mole of CaCl2 that dissolves. (b) Is this an ...
November 1, 2011 by john

Chemistry
Acetic acid has a pK of 4.8. How many mL of 0.1M acetic acid and 0.1M of sodium acetate are required to prepare 1 liter of 0.1M buffer solution having a pH of 5.8?
September 14, 2011 by Barb

Chemistry
What mass of oxalic acid dihydrate , H2C2O42H2O, is required to prepare 220.0 ml of a 1.28 M solution of oxalic acid ?
February 22, 2012 by Cynthia

Chemistry
titration of a 50.00mL of KOH required 175.00mL of 0.0150M acetic acid, what is the Molarity of KOH solution
April 8, 2013 by Shay

Chemistry
Calculate the volume of concentrated reagent required to prepare the diluted solution 17 M H3PO4 to prepare 939 mL of 6.7 M H3PO4
November 22, 2014 by X

biology
1. Enzyme competition occurs when: A. one type of enzyme reacts with one type of substrate. B. an enzyme does not react with a substrate. C. three different types of enzymes react with one type of substrate. D. an enzyme stops a reaction. is it C 2. The proton pump is ...
July 13, 2013 by Amy

Chemistry
The molar heat of solution of NH4NO3 is 25.7 kJ/mol. How much heat (in kJ) would be required to dissolve 20 grams of NH4NO3 in water?
December 14, 2010 by Hannah

chemistry
How many grams of CaO (56.08) are required for complete reaction with HCl (36.46) in 275 mL of a 5.90 M HCl solution? CaO + 2HCl --> CaCl2 + H2O.
February 22, 2012 by Anonymous

chemistry
What voiume of 10.01mol/dm3 commerical H2SO4 is required to prepare 1dm3 of 2mol/dm3 H2SO4 acid solution?
November 20, 2014 by austine

chemistry
what mass of lead (ii) trioxonitrate (v)will be required to yield, 22g of lead, (ii)chloride on the addition of excess potassium chloride solution
January 24, 2016 by favour

chemistry
what mass (in grams) of solid potassium permanaganate is required to prepare 250mL of a 0.02 M of potassium permanaganate solution?
September 23, 2009 by Hannah

chemistry
what mass (in grams) of solid potassium permanaganate is required to prepare 250mL of a 0.02 M of potassium permanaganate solution?
September 23, 2009 by Hannah

Chem (HELP!!)
Test tomorrow too! I don't understand how to do these at all! HELP PLEASE _______________________________ 3.) 11.45 L of milk spilled on the floor. How many gallons spilled? 6.) Suppose 19.0 quarts of water is consumed by a thirsty dessert traveler. How many fluid ounces are ...
September 22, 2015 by Emily

chemistry
how do u do a redox balance of the following reaction : Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 -> K3Fe(C2O4)3*3 H2O + (NH4)2SO4 + H2SO4 +H2O i only know Fe2+ -> Fe3+ +1e-
May 1, 2008 by danny

Physics (Work)
The work required to stretch a certain spring from an elongation of 4.54 cm to an elongation of 5.54 cm is 31.1 J. (a) Is the work required to increase the elongation of the spring from 5.54 cm to 6.54 cm greater than, less than, or equal to 31.1 J? (b) Verify your answer to ...
August 5, 2010 by Kate West

chemistry
10.0 mL of 0.15M of sulfuric acid is titrated with 0.05M of sodium hydroxide. how many mL of sodium hydroxide solution are required to reach the equivalence point?
November 17, 2010 by tim

chemistry
10.0 mL of 0.15M of sulfuric acid is titrated with 0.05M of sodium hydroxide. how many mL of sodium hydroxide solution are required to reach the equivalence point?
November 17, 2010 by tim

chemistry
what volume of a 2.5m stock soltio of acetic acid (HC2H3O2) is required to prepare 100.0 mililiters of a 0.50m acetic acid solution?
January 23, 2013 by Anonymous

Chemistry
To neutralize a 0.5192 g organic acid, 44.0 mL NaOH solution (1.00 ml ~ 1.12 mL HCl ~ 0.0100 g CaCO3) is required. What is the equivalent weight of the organic acid?
January 21, 2014 by Summer

chemistry correction
1. Which two elements react vigorously with each other? A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium D:iodine and potassium my answer is B 2. which statement about electronegativty is correct. A: Electronegativity decrease across a period. B:...
March 11, 2010 by Richard

CHEM
HOW MANY GRAMS OF SALT ARE REQUIRED TO PREPARE 300 G OF 15% SALT SOLUTION? HOW MANY GRAMS OF WATER ARE NEEDED?
December 4, 2010 by Anonymous

AP CHEM
It was found that 39.9 mL of this diluted solution solution was needed to reach the stoichiometric point in a titration of 7 mL of a phosphoric acid solution according to the reaction 3KOH(aq) + H3PO4(aq) ! K3PO4(aq) + 3H2O(L) Calculate the molarity of the solution. Answer in ...
September 26, 2013 by Ankit

Chemistry
1. Consider a 1.00g unknown sample that contains 62.0% sodium carbonate and 38.0% sodium bicarbonate, NaHCO3, by mass. When this sample is dissolved in water, how many mL of 0.200M HCl will be required to convert all of the carbonate to bicarbonate? How many mL will be ...
February 26, 2014 by Mia

CHEMISTRY
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br− and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may represent C9H7NH+ as ...
November 27, 2012 by sabrina

chem
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br− and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may represent C9H7NH+ as ...
November 28, 2012 by sabrina: This is how the question is written.

Chemistry
A 50.0 mL sample containing Cd2 and Mn2 was treated with 49.1 mL of 0.0700 M EDTA. Titration of the excess unreacted EDTA required 17.5 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN. Titration of the newly freed EDTA required 10.9 mL ...
October 25, 2012 by Chris

college chemistry
10.0 mL of 0.15M of sulfuric acid is titrated with 0.05M of sodium hydroxide. how many mL of sodium hydroxide solution are required to reach the equivalence point?
November 17, 2010 by tim

college chemistry
10.0 mL of 0.15M of sulfuric acid is titrated with 0.05M of sodium hydroxide. how many mL of sodium hydroxide solution are required to reach the equivalence point?
November 17, 2010 by tim

chemistry
A volume of 100mL of a 0.800 M HNO3 solution is titrated with 0.640 M KOH. Calculate the volume of KOH required to reach the equivalence point.
August 6, 2012 by LL

science
commercially available concentrated H CL contains 38% H CL by mass (a) what is the molarity of this solution if the density in 1.19gm/l (b) what volume of concentrated HCL is required to make 1l of 0.1M HCL?
July 27, 2014 by anila

Chemistry
A volume of 100mL of a 0.330M HNO3 solution is titrated with 0.370M KOH. Calculate the volume of KOH required to reach the equivalence point.
October 23, 2014 by Ines

chemistry
Given the equation Ag^+(aq) + 2NH3 (aq) -> [Ag(NH3)2]^+ (aq) kf= 2 x 10^7 determine the concentration of NH3(aq) that is required to dissolve 415 mg of AgCl(s) in 100.0 mL of solution. The Ksp of AgCl is 1.77 1010.
April 3, 2015 by jerome

Organic Chemistry 51B
calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.
February 1, 2010 by Anonymous

biology
two reasons potassium is more concentrated in urine than in the filtrate why are blood cells and proteins usually not found in filtrate? why are glucose and other nutrients found in the filtrate along with urea and other wastes?
June 6, 2008 by Anonymous

chemistry
GIVEN THE FOLLOWING CHEMICAL EQUATION: 3 +Cu +8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O. 1).HOW MANY MOLES OF Cu(NO3)2 ARE PRODUCED WHEN 3 MOLES OF Cu REACT? 2).HOW MANY MOLES OF Cu MUST REACT TO PRODUCE 4 MOLES OF NO? 3). If 4 moles of NO ARE PRODUCED HOW MANY MOLES OF h2o are also ...
July 14, 2008 by Persia

math
scientist is mixing a chemical solution for an experiment solution contains 3/8 of chemical solution 1/6 ounce saline solution what is the unit rate of chemical to saline solution? 3/8 x 1/6 + 3/48 divided by 3 + 1/16 is this right
March 16, 2015 by Joshiah

chemistry
100.0 mL of a dilute NaCl(aq) solution is heated in an open beaker. After 15 minutes the burner is turned off. Which of the following is true of the resulting solution? a more concentrated than the initial solution b less saturated than the initial solution c less concentrated...
December 7, 2014 by jepow

chemistry
Captain Kirk, of the Starship Enterprise, has been told by his superiors that only a chemist can be trusted with the combination to the safe containing the dilithium crystals that power the ship. The combination is the pH of Solution A described below, followed by the pH of ...
May 27, 2008 by Tom

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