QThe vapour pressure of water at 37 0C is 150 mm Hg. An aqueous solution containing 28% by mass of a liquid B (M = 140 g mol-1 ) has a vapour pressure of 160 mm Hg, calculate (i) vapour pressure of pure liquid B (ii) composition of two components in the vapour phase (iii) vapour pressure of a solution containing equal mass of the two liquids (iv) vapour pressure of a solution containing equal number of moles of the two liquids.
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