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The addition of 3g of a substance to 100...

The addition of `3g` of a substance to `100g C CI_(4)(M = 154 g mol^(-1))` raise the boiling point of `C CI_(4)` by `0.60^(@)C` of `K_(b)(C CI_(4))` is `5.03 kg mol^(-1) K`. Calculate:
(a) the freezing point depression
(b) the relative lowering of vapour pressure
(c) the osmotic pressure at `298K`
the molar mass of the substance
Given `K_(f)(C CI_(4)) = 31.8 kg mol^(-1) K` and `rho` (density) of solution `= 1.64g//cm^(3)`

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