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kati45 [8]
3 years ago
12

HELP me, this question not even really hard actually...

Chemistry
1 answer:
zheka24 [161]3 years ago
8 0
This is a hypothesis question. This is an educated guess, basically. In my opinion, I think the tails side would hold more water.
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Justification:

1) The depression of the freezing point of a solution is a colligative property, which means that it depends on the number of particles of solute dissolved.

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ΔTf = i * Kf * m

Where i is the van't Hoof factor which accounts for the dissociation of the solute.

Kf is the freezing molal constant and only depends on the solvent

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4) These are the dissociations of the given solutes:

a) NH4 Cl (s) --> NH4(+)(aq) + Cl(-) (aq) => 1 mol --> 2 moles

b) Co Br3 (s) --> Co(3+) (aq) + 3Br(-)(aq) => 1 mol --> 4 moles

c) K2SO4 (s) --> 2K(+) (aq) + SO4 (2-) (aq) => 1 mol --> 3 moles

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CoBr3 < K2SO4 < NH4 Cl
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