Mole fraction of the non-volatile solute
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 the non-volatile solute in the solution?
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1.770 g of a solid white acid are dissolved in water and completely neutralized by the addition of 36.96 mL of 0.437 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
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