How Many Grams of Calcium Hydride Are Required to Produce

question 178

Multiple Choice

How many grams of calcium hydride are required to produce 1.14 L of hydrogen gas at 25.0°C and 0.975 atm pressure according to the chemical equation shown below? CaH₂(s) + 2 H₂O(l) → Ca(OH) ₂(aq) + 2 H₂(g)

• A) 0.956 g
• B) 1.91 g
• C) 3.82 g
• D) 11.4 g

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An organic compound released by the pancreas, responsible for maintaining blood sugar levels by enabling glucose to be absorbed by tissues.

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