What is the partial pressure of water vapor in oxygen gas collected by water displacement at 10°C and 750 mm Hg?

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What is the partial pressure of water vapor in oxygen gas collected by water displacement at 10°C and 750 mm Hg?

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Answer 1 · 2017-03-10T16:35:10

You want the saturated vapour pressure, $P_{SVP}$ $P_"SVP"$ .

Explanation:

This is a function of temperature only, and at $283 \cdot K$ $283*K$ this site reports that the vapour pressure of water, $P_{SVP}$ $P_"SVP"$ , is $9.2 \cdot m m \cdot H g$ $9.2*mm*Hg$ .

And so, $P_{Measured} = P_{gas} + P_{SVP}$ $P_"Measured"=P_"gas"+P_"SVP"$ ,

$P_{Gas} = P_{Measured} - P_{SVP}$ $P_"Gas"=P_"Measured"-P_"SVP"$

$750 \cdot m m \cdot H g - 9.2 \cdot m m \cdot H g = 741.8 \cdot m m \cdot H g$ $750*mm*Hg-9.2*mm*Hg=741.8*mm*Hg$ $=$ $=$ $? ? \cdot a t m$ $??*atm$

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What is the partial pressure of water vapor in oxygen gas collected by water displacement at 10°C and 750 mm Hg?

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