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Potassium Superoxide (KO2,71 \to 4 KOH(s)+ 3 O2(g)
A)26

Question 84

Multiple Choice

Potassium superoxide (KO2,71.10 g/mol) can be used to generate oxygen gas.If the theoretical yield of O2 (32.00 g/mol) must be 12.0 g,how many grams of KO2 should be used? Assume the reaction occurs in the presence of excess H2O (18.02 g/mol) . 4 KO2(s) + 2 H2O  Potassium superoxide (KO<sub>2</sub>,71.10 g/mol) can be used to generate oxygen gas.If the theoretical yield of O<sub>2</sub> (32.00 g/mol) must be 12.0 g,how many grams of KO<sub>2</sub> should be used? Assume the reaction occurs in the presence of excess H<sub>2</sub>O (18.02 g/mol) . 4 KO<sub>2</sub>(s) + 2 H<sub>2</sub>O    \to  4 KOH(s) + 3 O<sub>2</sub>(g)  A) 26.7 g B) 107 g C) 28.1 g D) 35.6 g E) 20.0 g \to 4 KOH(s) + 3 O2(g)


A) 26.7 g
B) 107 g
C) 28.1 g
D) 35.6 g
E) 20.0 g

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