SAT, 16.12.2021 21:10 zaeswag23

The hydrogen gas generated when calcium metal reacts with water is collected over water at 20. °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 20. °c is 17. 54 mmhg.

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