Bundle: Chemistry: Principles and Reactions, 8th, Loose-Leaf + OWLv2, 1 term (6 months) Printed Access Card
Bundle: Chemistry: Principles and Reactions, 8th, Loose-Leaf + OWLv2, 1 term (6 months) Printed Access Card
8th Edition
ISBN: 9781305717497
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 21, Problem 73QAP

The amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of bleach to oxidize excess iodide ion to iodine; ClO- is reduced to Cl-. The amount of iodine produced by the redox reaction is determined by titration with sodium thiosulfate, Na2S2O3; I2 is reduced to I-. The sodium thiosulfate is oxidized to sodium tetrathionate, Na2S4O6. In this analysis, potassium iodide was added in excess to 5.00 mL of bleach ( d = 1.00 g / cm 3 ) . If 25.00 mL of 0.0700 M Na2S2O3 was required to reduce all the iodine produced by the bleach back to iodide, what is the mass percent of NaClO in the bleach?

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Chapter 21 Solutions

Bundle: Chemistry: Principles and Reactions, 8th, Loose-Leaf + OWLv2, 1 term (6 months) Printed Access Card

Ch. 21 - Prob. 11QAPCh. 21 - Prob. 12QAPCh. 21 - Prob. 13QAPCh. 21 - Prob. 14QAPCh. 21 - Prob. 15QAPCh. 21 - Prob. 16QAPCh. 21 - Prob. 17QAPCh. 21 - Write a balanced net ionic equation for the...Ch. 21 - Prob. 19QAPCh. 21 - Prob. 20QAPCh. 21 - Prob. 21QAPCh. 21 - Prob. 22QAPCh. 21 - Prob. 23QAPCh. 21 - Prob. 24QAPCh. 21 - Prob. 25QAPCh. 21 - Prob. 26QAPCh. 21 - Prob. 27QAPCh. 21 - Prob. 28QAPCh. 21 - Prob. 29QAPCh. 21 - Prob. 30QAPCh. 21 - Prob. 31QAPCh. 21 - Prob. 32QAPCh. 21 - Prob. 33QAPCh. 21 - Prob. 34QAPCh. 21 - The average concentration of bromine (as bromide)...Ch. 21 - Prob. 36QAPCh. 21 - Iodine can be prepared by allowing an aqueous...Ch. 21 - Prob. 38QAPCh. 21 - Prob. 39QAPCh. 21 - Prob. 40QAPCh. 21 - Prob. 41QAPCh. 21 - Prob. 42QAPCh. 21 - Prob. 43QAPCh. 21 - Prob. 44QAPCh. 21 - Prob. 45QAPCh. 21 - Given...Ch. 21 - What is the concentration of fluoride ion in a...Ch. 21 - Calculate the solubility in grams per 100 mL of...Ch. 21 - Prob. 49QAPCh. 21 - Follow the directions for Problem 49 for the...Ch. 21 - Consider the equilibrium system HF(aq)H+(aq)+F(aq)...Ch. 21 - Applying the tables in Appendix 1 to...Ch. 21 - Consider the reaction 4NH3(g)+5O2(g)4NO(g)+6H2O(g)...Ch. 21 - Data are given in Appendix 1 for white phosphorus,...Ch. 21 - Prob. 55QAPCh. 21 - Prob. 56QAPCh. 21 - Sodium hypochlorite is produced by the...Ch. 21 - Prob. 58QAPCh. 21 - Prob. 59QAPCh. 21 - Prob. 60QAPCh. 21 - Consider the reduction of nitrate ion in acidic...Ch. 21 - Prob. 62QAPCh. 21 - Choose the strongest acid from each group. (a)...Ch. 21 - Prob. 64QAPCh. 21 - Prob. 65QAPCh. 21 - Prob. 66QAPCh. 21 - Prob. 67QAPCh. 21 - Prob. 68QAPCh. 21 - Prob. 69QAPCh. 21 - Explain why (a) acid strength increases as the...Ch. 21 - Prob. 71QAPCh. 21 - Prob. 72QAPCh. 21 - The amount of sodium hypochlorite in a bleach...Ch. 21 - Prob. 74QAP
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