Math / Numbers & Operations

QuestionWhat is the molality of ethanol $\left(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\right)$ in an aqueous solution that is $39.8 \%$ ethanol by mass? a. 1 m b. 14 m c. 0 m d. 1 m e. 84.0 m

Studdy Solution
Perform the division to find the molality.
$\text{Molality} = 14.35 \, \text{m}$
The molality of ethanol in the solution is closest to option b:
$\boxed{14 \, \text{m}}$

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