An unknown gas is collected over water at 20ºC when the barometric pressure is 756 torr. The gas collected has a mass of 0.68 g and occupies a volume of 990 mL. The vapor pressure of water under these conditions is 17.54 torr. Which of the following is the likely identity of the gas?
NH3
NH, 3
CH4
CH, 4
H2
H, 2
H2S
H, 2, S
Answers: 3
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An unknown gas is collected over water at 20ºC when the barometric pressure is 756 torr. The gas col...
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