A self-contained underwater breathing apparatus (SCUBA) uses canisters containing potassium superoxide. The superoxide consumes the CO 2 exhaled by a person and replaces it with oxygen. 4 KO 2 (s) + 2 CO 2 (g) → 2 K 2 CO 3 (s) + 3 O 2 (g) What mass of KO 2 , in grams, is required to react with 8.90 L of CO 2 at 22.0 °C and 767 mm Hg?


Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640


Chapter 10, Problem 36PS
Textbook Problem

A self-contained underwater breathing apparatus (SCUBA) uses canisters containing potassium superoxide. The superoxide consumes the CO2 exhaled by a person and replaces it with oxygen.

4 KO2(s) + 2 CO2(g) → 2 K2CO3(s) + 3 O2(g)

What mass of KO2, in grams, is required to react with 8.90 L of CO2 at 22.0 °C and 767 mm Hg?

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Chemistry & Chemical Reactivity
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