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The lowering in freezing point of 0.75 m...

The lowering in freezing point of 0.75 molal aqueous solution NaCI (80% dissociated) is [Given, `K_f`, for water `1.86 K` kg `mol^(-1)]`

A

2.51 K

B

-3.35K

C

3.35K

D

-2.51 K

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