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Be sure to answer all parts. The active agent in many hair bleaches is hydrogen peroxide. The amount of H₂O₂ in 13.4-g of hair bleach was determined by titration with a standard potassium permanganate solution: 2 MnO, (aq) +5H₂O₂(aq) + 6 H'(ag)-50g)+2 Ma (aq) +8H₂O(0) (a) For the titration, bow many moles of MaO, were required if 35.9 ml. of 0.200 M KMnO, was needed to reach the end point? Write your answer to the correct number of significant figures. Enten your answer in scientific notation. 10 mal MaO (b) How many moles of H₂O, were present in the 13.4 g sample of bleach? Write your answer to the correct number of significant figures. mel H₂O₂

Be sure to answer all parts. The active agent in many hair bleaches is hydrogen peroxide. The amount of H₂O₂ in 13.4-g of hair bleach was determined by titration with a standard potassium permanganate solution: 2 MnO, (aq) +5H₂O₂(aq) + 6 H'(ag)-50g)+2 Ma (aq) +8H₂O(0) (a) For the titration, bow many moles of MaO, were required if 35.9 ml. of 0.200 M KMnO, was needed to reach the end point? Write your answer to the correct number of significant figures. Enten your answer in scientific notation. 10 mal MaO (b) How many moles of H₂O, were present in the 13.4 g sample of bleach? Write your answer to the correct number of significant figures. mel H₂O₂

Chemistry
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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Be sure to answer all parts. The active agent in many hair bleaches is hydrogen peroxide. The amount of H₂O₂ in 13.4-g of hair bleach was determined by titration with a standard potassium permanganate solution: 2 MnO, (aq) +5 H₂O₂(aq) + 6 H(aq) →50g)+2 Ma³(aq) +8 H₂O(1) (a) For the titration, bow many moles of Mao, were required if 35.9 ml of 0.200 M KMnO, was needed to reach the end point? Write your answer to the correct number of significant figures. Enter your answer in scientific notation. 10 mal MaO (b) How many moles of H₂O, were present in the 13.4 g sample of bleach? Write your answer to the correct number of significant figures. mol H₂O₂
Transcribed Image Text:Be sure to answer all parts. The active agent in many hair bleaches is hydrogen peroxide. The amount of H₂O₂ in 13.4-g of hair bleach was determined by titration with a standard potassium permanganate solution: 2 MnO, (aq) +5 H₂O₂(aq) + 6 H(aq) →50g)+2 Ma³(aq) +8 H₂O(1) (a) For the titration, bow many moles of Mao, were required if 35.9 ml of 0.200 M KMnO, was needed to reach the end point? Write your answer to the correct number of significant figures. Enter your answer in scientific notation. 10 mal MaO (b) How many moles of H₂O, were present in the 13.4 g sample of bleach? Write your answer to the correct number of significant figures. mol H₂O₂
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