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Cloud [144]
3 years ago
9

A 1.26 m aqueous solution of an ionic compound with the formula mx2 has a boiling point of 101.63 ∘c. part a calculate the van't

hoff factor (i) for mx2 at this concentration. express your answer using two significant figures.
Chemistry
2 answers:
iragen [17]3 years ago
6 0

Answer:

The van't hoff factor is 2.49

Explanation:

please look at the solution in the attached Word file

Download docx
12345 [234]3 years ago
5 0

<span>Answer is: Van't Hoff factor (i) for this solution is 1.051 .
Change in boiling point from pure solvent to solution: ΔT =i · Kb · b.
Kb - </span><span>molal boiling point elevation constant</span><span> is 0.512°C/m.
b -  molality, moles of solute per kilogram of solvent.
b = 1.26 m.
ΔT = 101.63°C - 100</span>°C = 1.63°C.

i = 1.63°C ÷ (0.512°C/m · 1.26 m).

i = 1.051.

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