a solution containing 1.5 g of Ba (NO3)2in 0.1 kg of water freezes at 272.720k. calculate the degree of dissociation of the salt.(Kf=1.86kgmol-1,molar mass of Ba (NO3)2=208.3g/mol)
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vant haff is 2.464 and molality is 0.072
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