a sample of hydrogen gas is mixed with water vapor. the mixture has a total pressure...
a sample of hydrogen gas is mixed with water vapor. the mixture has a total pressure of 755 torr and the water vapor has a partial pressure of 24 torr. what amount (in moles) of hydrogen gas is contained in 1.55 L of this mixture at 298 K?
Homework Answers
Ptotal= PPH2 + PPH2O---> PPH2= 755-24=731torr
PV=nRT
760 torr ----1 atm
731 torr -----x= 0.962 atm
n= 0.962 x 1.55/0.082x298= 0.061 mol H2
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