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General Chemistry7. GasesPartial Pressure

Multiple Choice

In the reaction of calcium metal and water, 50.0 mL of hydrogen gas is collected over water at 25.0℃ with a total pressure of 752 mmHg. Calculate the number of moles of hydrogen gas that was produced.

A

1.96 × 10^–3 mol

B

2.02 × 10^–3 mol

C

1.96 mol

D

1.49 mol

E

1.49 × 10³ mol

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