Q.

At certain temperature, when 20 grams of a non-volatile solute is dissolved in 180 grams of water, the vapour pressure of water lowered from 81 mm Hg to 80.19 mm Hg. Molar mass of non volatile solute is nearly

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a

180 g

b

200 g

c

260 g

d

240 g

answer is B.

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At certain temperature, when 20 grams of a non-volatile solute is dissolved in 180 grams of water, the vapour pressure of water lowered from 81 mm Hg to 80.19 mm Hg. Molar mass of non volatile solute is nearly