What is the vapor in oxygen gas collected by water displacement at 10°C and 75 mm Hg?

1 Answer
anor277
Jul 2, 2016

P_"measured" = P_"gas"+P_"SVP"

Explanation:

Any gas collected by water displacement will contain water vapour, the so-called "saturated vapour pressure". This is extensively tabulated, and fat 10""^@ C, P_"SVP"=10.2*mm*Hg

P_"gas" = P_"measured"-P_"SVP" = 75*mm*Hg-10.2*mm*Hg = ??*mm*Hg

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