A sample of gas is collected over water at a temperature of 35.0°C when the barometric pressure reading is 742.0 torr. What is the partial pressure of the dry gas?

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A sample of gas is collected over water at a temperature of 35.0°C when the barometric pressure reading is 742.0 torr. What is the partial pressure of the dry gas?

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Answer 1 · 2016-05-09T05:30:23

This site tells me that vapour pressure of water at $35.0$ $35.0$ $^{\circ} C$ $""^@C$ $=$ $=$ $42.2 \cdot m m \cdot H g$ $42.2*mm*Hg$ .

Explanation:

$P_{collected}$ $P_("collected")$ $=$ $=$ $P_{gas} + P_{SVP}$ $P_"gas" + P_"SVP"$ , $P_{SVP}$ $P_"SVP"$ is given above, and is called the saturated vapour pressure. This should have been quoted with the question.

Thus $P_{gas} ≅ 700 \cdot m m \cdot H g$ $P_"gas"~=700*mm*Hg$ .

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A sample of gas is collected over water at a temperature of 35.0°C when the barometric pressure reading is 742.0 torr. What is the partial pressure of the dry gas?

1 Answer

Explanation:

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