Calcium Hydride (CaH₂)reacts with Water to Form Hydrogen Gas: CaH₂

Calcium hydride (CaH₂) reacts with water to form hydrogen gas: CaH₂ (s) + 2H₂O (l) → Ca(OH) ₂ (aq) + 2H₂ (g)
How many grams of CaH₂ are needed to generate 48.0 L of H₂ gas at a pressure of 0.995 atm and a temperature of 32 °C?

A) 56.8
B) 0.954
C) 161
D) 40.1
E) 80.3