A sample of chlorine gas is collected by water displacement at 23°C. If the atmospheric pressure is 751 torr, what is the partial pressure of the chlorine?

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A sample of chlorine gas is collected by water displacement at 23°C. If the atmospheric pressure is 751 torr, what is the partial pressure of the chlorine?

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Answer 1 · 2016-05-09T05:06:11

A gas collected over water, is saturated with respect to water vapour, which must be taken into account.

Explanation:

$P_{collected}$ $P_("collected")$ $=$ $=$ $P_{G a s} + P_{H_{2} O}$ $P_(Gas) + P_(H_2O)$

$P_{H_{2} O} ≅ 20 \cdot m m \cdot H g$ $P_(H_2O)~=20*mm*Hg$ at $20$ $20$ $^{\circ} C$ $""^@C$ .

So $P_{G a s}$ $P_(Gas)$ $=$ $=$ $731 \cdot m m \cdot H g$ $731*mm*Hg$

$SVP$ $"SVP"$ , $the saturated vapour pressure$ $"the saturated vapour pressure"$ is tabulated for a range of temperatures, and values should have been included in the question.

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A sample of chlorine gas is collected by water displacement at 23°C. If the atmospheric pressure is 751 torr, what is the partial pressure of the chlorine?

1 Answer

Explanation:

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