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Anna35 [415]
3 years ago
13

For this exercise, we will consider a solution of the nonvolatile solvent ethylene glycol, C2H4(OH)2, in water. If the solution

contains 1 mol of C2H4(OH)2 for each 4 mol of H2O, what is the mole fraction of water?
Chemistry
1 answer:
Lemur [1.5K]3 years ago
3 0

Answer:

Mole fraction of water is 0.8.

Explanation:

Mole fraction is defined as ratio of moles of single component to the sum of moles of all components present in the solution.

Moles of ethylene glycol = n_1=1 mol

Moles of water = n_2=4 mol

Mole fraction of ethylene glycol = \chi_1=\frac{n_1}{n_1+n_2}

\chi_1=\frac{1 mol}{1 mol+4 mol}=0.2

Mole fraction of water  = \chi_2=\frac{n_2}{n_1+n_2}

\chi_2=\frac{4 mol}{1 mol+4 mol}=0.8

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