Answer the problems below. Provide all the necessary solutions.1. How many ml of 0.30M solution of H2SO4 will react with 20ml of a 0.30M solution of NaOH? H2SO4 + 2NaOH → Na2SO4 + 2 H2O2. The iron (II) in an acidified solution is titrated with 0.0317 solution of KMnO4:5Fe2+ +MnO4- +8H → 5 Fe3+ +Mn2+ + 4H2O If the titration required 51.3 ml, how many mg of iron ore are in the solution?3. A 0.3749 g soda ash sample is analyzed by titrating sodium carbonate with the standard 0.2388M HCl solution, requiring 49.38ml. The reaction is: CO32- + 2H+ → H2O +CO2Calculate the percent sodium carbonate in the sample.

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Answer the problems below. Provide all the necessary solutions.

1. How many ml of 0.30M solution of H₂SO₄ will react with 20ml of a 0.30M solution of NaOH?
H₂SO₄ + 2NaOH → Na₂SO₄ + 2 H₂O

2. The iron (II) in an acidified solution is titrated with 0.0317 solution of KMnO4:

5Fe²⁺ +MnO₄^- +8H → 5 Fe³⁺ +Mn²⁺ + 4H₂O

If the titration required 51.3 ml, how many mg of iron ore are in the solution?

3. A 0.3749 g soda ash sample is analyzed by titrating sodium carbonate with the standard 0.2388M HCl solution, requiring 49.38ml. The reaction is:

CO₃^2- + 2H⁺ → H₂O +CO₂Calculate the percent sodium carbonate in the sample.

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