1 a sample oxygen gas is collected over water at 250 c an a
1) A sample oxygen gas is collected over water at 25.0 C an a total pressure of 642 torr. The volume of the gas collected is 500.0 mL. what mass of oxygen is collected? the vapor pressure of water at 25.o C is 28.8 torr.
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1 a sample oxygen gas is collected over water at 250 c an a total pressure of 642 torr the volume of the gas collected
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