Which solution has the highest freezing point?

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Science

Description

Consider the following aqueous solution how do you figure it out

0.15 m CaCl2

0.25 m CsI

0.20 m caffeine (a nonelectrolyte)

0.10 m K3PO4


Which solution has the highest freezing point?


Which solution has the lowest vapor pressure of water?

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Explanation & Answer

Thank you for the opportunity to help you with your question!

1.Highest freezing point=CaCl2

This is because :

CaCl2=0.15×3=0.45

Csl=0.25

Caffeine=0.20

K3PO4=4×0.1=0.4

Hence 0.45 is the highest

2.Lowest vapour pressure=K3PO4

When K3PO4 dissolves, it produces 4 particles in solution and will have the greatest impact on vapour pressure.

Please let me know if you need any clarification. I'm always happy to answer your questions.


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