Chemistry, 28.09.2019 23:30 azireyathurmond1

Asample of hydrogen gas was collected over water at 21 c and at a pressure equal to the atmospheric pressure of 748 mmhg. the volume of the sample was 512 ml. how many grams of h2 are in the sample? the vapor pressure of water at 21 c is 18.7 mmhg

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