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Calcium Hydride (CaH2) Reacts with Water to Form Hydrogen Gas

Question 35

Multiple Choice

Calcium hydride (CaH2) reacts with water to form hydrogen gas:
Calcium hydride (CaH<sub>2</sub>) reacts with water to form hydrogen gas: How many grams of CaH<sub>2</sub><sub> </sub>are needed to generate 48.0 L of H<sub>2</sub><sub> </sub>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
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

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