Question

The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution? Show work.

A) 0.69
B) 0.32
C) 0.13
D) 0.045
E) 0.87
bobpursley
what is 232/266 ? What is Dalton's law?
C ) 0.13

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