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Sea water contains 29.25% NaCl and 19%Mg...

Sea water contains `29.25% NaCl` and `19%MgCl_2` by weight of solution . The normal boiling point of the sea water is _______ `"^(@)C`(Nearest integer )
Assume `100%` ionization for both `NaCl` and `MgCl_2`
Given : `K_b(H_2O) = 0.52 K kg mol6(-1)`
Molar mass of `NaCl` and `MgCl_2` is `58.5` and `95 g mol^(-1)` respectively

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