A Sample of H₂ Is Collected Over Water at 22 $\degree$

question 5

Multiple Choice

A sample of H₂ is collected over water at 22 $\degree$ C.If the total pressure of the sample is 744 torr, what is the partial pressure of the H₂? The vapor pressure of water at 22 $\degree$ C is 19.8 torr.

• A)37.6 torr
• B)0.979 atm
• C)764 torr
• D)724 torr
• E)744 torr

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