the depression in freezing point for 1M urea and 1M NaCL are in the ratio ?
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Explanation:
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Given:
Molarity of urea = 1M
Molarity of NaCl = 1M
To find:
The ratio of depression in freezing points
Calculation:
Depression in freezing point is given by the relation
where i is Van’t Hoff factor
Urea is an organic compound and it cant be dissociated into ions. So for urea Van’t Hoff factor will be 1
NaCl will be dissolved into Na⁺ and Cl⁻ ions. So for NaCl Van’t Hoff will be 2
Final answer:
The ration of depression in freezing points is 1:2
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