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5. A sample of hydrogen gas collected by displacement of water occupied 30.0 mL
at 24oC on a day when the barometric pressure was 736 torr, What volume would
the hydrogen occupy if it were dry and at STP? The vapor pressure of water at
24.0-C is 22.4 torr.

A. 21.6 mL
B. 29.1 mL
C. 32.4 mL
D. 36.8 mL​