Chemistry, 03.04.2020 15:27 tabocampos1414

The hydrogen gas generated when calcium metal reacts with water is collected over water at 25°C. The volume of the gas is 641 mL and the pressure is 988 mmHg. What is the mass (in grams) of the hydrogen gas obtained? The vapor pressure of water at 25°C is 23.76 mmHg.

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