Hello. Please answer the following problems in the attached photo. Thank you! Hope you can help more students who badly need for your help in solving problems. God bless you all! 1. Balance the following net reactions and identify the oxidizing agent and the reducing agent foreach.a. Mno, + VO2+ → Mn²* + V(OH)a*b. HPO, + Mno, + OH" → PO, + Mno,2. Calculate the potential of the copper electrode immersed ina. 0.0440 M Cu(NO3)2b. 0.0750 M in NaCl and sat'd with CuCI3. Titration of 0.1756 g primary standard Na:C:04 required 32.04 mL of a potassium permanganatesolution. Calculate the molar concentration of KMnOa in this solution.4. a. Calculate the E° for the process AglO3(s) + e+Ag(s) + 103b. Use the shorthand notation to describe the cell consisting of a saturated calomel referenceelectrode and a silver indicator electrode that could be used to measure plo3.c. Develop an equation that relates the potential of the cell in (b) to plO3.d. Calculate plo, if the cell in (b) has a potential of 0.294V.5. A 0.1278-g sample of primary standard Na;C20. required exactly 60.04 ml of permanganatesolution to reach the end point. What is the molarity of the KMNO, reagent?6. A 50.00 mL sample containing La" was added with sodium oxalate to precipitate La;(C,Oa)3, whichwas washed, dissolved in dilute H2SO4, and titrated with 18.09 mL of the standard KMNO4 solution(in #5). Calculate the molarity of La* in the unknown sample.7. The amount of hydrogen peroxide (H2O2) in a sample of hair bleach was determined by titrationwith a standard KMNO, solution. What was the mass percent of hydrogen peroxide in hair bleachsample, if 27.6 g of hair bleach required 86.4 ml of 0.105M KMNO4 to reach the endpoint oftitration?

Hii there, since there are multiple questions posted. We are answering first question. If you need…

Answered: Balance the following net reactions and…

Balance the following net reactions and identify the oxidizing agent and the reducing agent for each. a. Mnos + VO → Mn* + V(OH)&* b. HPO, + MnO, + OH" → PO + MnO.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.15QAP

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Question

Hello. Please answer the following problems in the attached photo. Thank you! Hope you can help more students who badly need for your help in solving problems. God bless you all!

1. Balance the following net reactions and identify the oxidizing agent and the reducing agent for
each.
a. Mno, + VO2+ → Mn²* + V(OH)a*
b. HPO, + Mno, + OH" → PO, + Mno,
2. Calculate the potential of the copper electrode immersed in
a. 0.0440 M Cu(NO3)2
b. 0.0750 M in NaCl and sat'd with CuCI
3. Titration of 0.1756 g primary standard Na:C:04 required 32.04 mL of a potassium permanganate
solution. Calculate the molar concentration of KMnOa in this solution.
4. a. Calculate the E° for the process AglO3(s) + e+
Ag(s) + 103
b. Use the shorthand notation to describe the cell consisting of a saturated calomel reference
electrode and a silver indicator electrode that could be used to measure plo3.
c. Develop an equation that relates the potential of the cell in (b) to plO3.
d. Calculate plo, if the cell in (b) has a potential of 0.294V.
5. A 0.1278-g sample of primary standard Na;C20. required exactly 60.04 ml of permanganate
solution to reach the end point. What is the molarity of the KMNO, reagent?
6. A 50.00 mL sample containing La" was added with sodium oxalate to precipitate La;(C,Oa)3, which
was washed, dissolved in dilute H2SO4, and titrated with 18.09 mL of the standard KMNO4 solution
(in #5). Calculate the molarity of La* in the unknown sample.
7. The amount of hydrogen peroxide (H2O2) in a sample of hair bleach was determined by titration
with a standard KMNO, solution. What was the mass percent of hydrogen peroxide in hair bleach
sample, if 27.6 g of hair bleach required 86.4 ml of 0.105M KMNO4 to reach the endpoint of
titration?

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