Acetic acid has a boiling point of 118.5 deg C and a $K_{b}$ $K_b$ of 3.08 C/m. What is the boiling point of a 3.20 m solution of $C a {(N O_{3})}_{2}$ $Ca(NO_3)_2$ in acetic acid?

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Answer 1 · 2017-09-04T17:02:16

The solution's boiling point is approximately $148.1°C$ .

$T_b[HC_2H_3O_2] = 118.5°C$

We want to find the boiling point elevation: $DeltaT_b$

$DeltaT_b = iK_bm$

$i[Ca(NO_3)_2] approx 3$

$DeltaT_b = 3*3.20m*(3.08°C)/m approx 29.6°C$

Add this to the pure solvent's boiling point, and that's your answer.

Acetic acid has a boiling point of 118.5 deg C and a K_bKbK_b of 3.08 C/m. What is the boiling point of a 3.20 m solution of Ca(NO_3)_2Ca(NO3)2Ca(NO_3)_2 in acetic acid?