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IrinaVladis [17]
3 years ago
8

A .100 molal aqueous solution of which compound has the lowest freezing point

Chemistry
1 answer:
Umnica [9.8K]3 years ago
8 0
Missing question:
a. C6H12O6 
<span>b. CH3OH </span>
<span>c. C12H22O11 </span>
<span>d. NaOH.
</span>Answer is: d. NaOH.
b(solution) = 0,1 m.

ΔT = Kf · b(solution) · i.

Kf - the freezing point depression constant.

i - Van 't Hoff factor. Because dissociate on one cation and one anions, sodium hydroxide has i = 2, other molecules has covalent bonds (i = 1, do not dissociate on ions).

Because molality and the freezing point depression constant are constant, greatest freezing point lowering is solution with highest Van 't Hoff factor.

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