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A flask contains a mixture of hydrogen gas and water vapor at STP. If the pressure of the water vapor is 19.5 mmHg, then what is the pressure of the hydrogen gas? 779 mmHg 779 mmHg 760 mmHg 760 mmHg 81.
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A flask contains a mixture of hydrogen gas and water vapor at STP. If the pressure of the water vapor is 19.5 mmHg, then what is the pressure of the hydrogen gas?

779 mmHg
779 mmHg

760 mmHg
760 mmHg

81.7 mmHg
81.7 mmHg

741 mmHg

User YSA
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4 votes

Answer:

I would say A but not sure

Step-by-step explanation:

User Ifredom
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