Question 1: Hydrogen peroxide can be purchased in drug stores for use as an antiseptic. A sample of such a solution weighing 10.0 g was acidified with sulfuric acid and titrated with a 0.200 M KMNO4 solution. The peroxide was oxidized to oxygen gas. The titration required 17.6 mL of the permanganate solution. 2 KMNO4 + 3 H2SO4 + 5 H2O2 - 2 MNSO4 + K2SO4 + 5 O2 + 8 H20 Question 1-2: b. What is the percentage (%) of hydrogen peroxide by mass in the original solution? 1.20 4.80 O0.480 2.99
Question 1: Hydrogen peroxide can be purchased in drug stores for use as an antiseptic. A sample of such a solution weighing 10.0 g was acidified with sulfuric acid and titrated with a 0.200 M KMNO4 solution. The peroxide was oxidized to oxygen gas. The titration required 17.6 mL of the permanganate solution. 2 KMNO4 + 3 H2SO4 + 5 H2O2 - 2 MNSO4 + K2SO4 + 5 O2 + 8 H20 Question 1-2: b. What is the percentage (%) of hydrogen peroxide by mass in the original solution? 1.20 4.80 O0.480 2.99
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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![Question 1: Hydrogen peroxide can be purchased in drug stores for use as an
antiseptic. A sample of such a solution weighing 10.0 g was acidified with sulfuric
acid and titrated with a 0.200 M KMNO4 solution. The peroxide was oxidized to
oxygen gas. The titration required 17.6 mL of the permanganate solution.
2 KMNO4 + 3 H2SO4 + 5 H2O2
- 2 MNSO4 + K2SO4 + 5 O2 + 8 H20
Question 1-2: b. What is the percentage (%) of hydrogen peroxide by mass in the
original solution?
O 1.20
O4.80
O0.480
D2.99](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6cf78908-a1f9-4330-9ece-f4021df10613%2F07900a23-ef53-43d7-8111-55cc998d6fd7%2Ffbdk3p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 1: Hydrogen peroxide can be purchased in drug stores for use as an
antiseptic. A sample of such a solution weighing 10.0 g was acidified with sulfuric
acid and titrated with a 0.200 M KMNO4 solution. The peroxide was oxidized to
oxygen gas. The titration required 17.6 mL of the permanganate solution.
2 KMNO4 + 3 H2SO4 + 5 H2O2
- 2 MNSO4 + K2SO4 + 5 O2 + 8 H20
Question 1-2: b. What is the percentage (%) of hydrogen peroxide by mass in the
original solution?
O 1.20
O4.80
O0.480
D2.99
![Question 1: Hydrogen peroxide can be purchased in drug stores for use as an
antiseptic. A sample of such a solution weighing 10.0 g was acidified with sulfuric
acid and titrated with a 0.200 M KMNO4 solution. The peroxide was oxidized to
oxygen gas. The titration required 17.6 mL of the permanganate solution.
2 KMNO4 + 3 H2SO4 + 5 H202
- 2 MNSO4 + K2SO4 + 5 O2+8 H20
Question 1-1: a. How many grams (g) of hydrogen peroxide reacted?
0.299
O 0.0480
O 0.480
0.120](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6cf78908-a1f9-4330-9ece-f4021df10613%2F07900a23-ef53-43d7-8111-55cc998d6fd7%2Ffve52nj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 1: Hydrogen peroxide can be purchased in drug stores for use as an
antiseptic. A sample of such a solution weighing 10.0 g was acidified with sulfuric
acid and titrated with a 0.200 M KMNO4 solution. The peroxide was oxidized to
oxygen gas. The titration required 17.6 mL of the permanganate solution.
2 KMNO4 + 3 H2SO4 + 5 H202
- 2 MNSO4 + K2SO4 + 5 O2+8 H20
Question 1-1: a. How many grams (g) of hydrogen peroxide reacted?
0.299
O 0.0480
O 0.480
0.120
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