QuestionSolutions / relative lowering of vapour pressure
When 2·0 g of solute X is added to 1000 mL of pure water, the vapour pressure of water is decreased by : (where, vapour pressure of pure water = 2·34 kPa at 20°C, molar mass of X = 200 g mol⁻¹)
- (a) 0·00018 kPa
- (b) 0·00042 kPa
- (c) 0·0031 kPa
- (d) 0·0042 kPa
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