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What is the mole fraction of the solute in a 1.00 m aqueous solution?
A
0.0354
B
0.0177
C
0.177
D
1.770
Detailed Solution
1.00 m means 1 mol solute in 1000 g water.
$n_{H_2O} = \frac{1000}{18} = 55.5$ mol
$X_{solute} = \frac{1}{1 + 55.5} = 0.0177$
$n_{H_2O} = \frac{1000}{18} = 55.5$ mol
$X_{solute} = \frac{1}{1 + 55.5} = 0.0177$