Calcium hydride (CaH2) reacts with water to form hydrogen gas:
How many grams of CaH2 are needed to generate 48.0 L of H2 gas at a pressure of 0.888 atm and a temperature of 32 °C?
A) 50.7
B) 71.7
C) 143
D) 35.8
E) 0.851
Correct Answer:
Verified
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