$A$ dry gas occupies $136.5 \, cm^3$ at $STP$. If the same mass of gas is collected over water at $27 \, ^oC$ and a total pressure of $725 \, torr$,what volume will it occupy in $cm^3$? (Vapour pressure of water at $27 \, ^oC$ is $25 \, torr$.)
- A$157.3$
- B$162.9$
- C$159.2$
- D$160.9$
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Graph Coordinates ($y$ vs $x$) $(A)$ Hyperbola $1. \ y = PV, x = V$ $(B)$ Straight line passing through origin $2. \ y = P, x = V$ $(C)$ Horizontal line parallel to $x$-axis $3. \ y = P, x = 1/V$
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