Chemistry Practice Problems Mole Fraction Practice Problems Solution: A solution is made containing 14.6 g of CH3OH in 1...

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Solution: A solution is made containing 14.6 g of CH3OH in 185 g H2O.Calculate the mole fraction of CH3OH.

Problem

A solution is made containing 14.6 g of CH3OH in 185 g H2O.

Calculate the mole fraction of CH3OH.

Solution

Recall the formula for mole fraction:

Calculate the amount in moles of each compound first:

Solute = lesser amount = CH3OH

Solvent = greater amount = H2O

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