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How Many Liters of O2 Gas at 25°C and 1

Question 162

Multiple Choice

How many liters of O2 gas at 25°C and 1.00 atm pressure are needed to react with 120.5 grams of potassium hydride according to the chemical equation shown below?
2 KH(s) + O2(g) → H2O(g) + K2O(s)


A) 18.4 L
B) 36.7 L
C) 73.5 L
D) 147 L

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