The relative lowering of vapour caused by dissolving 71.3g of a substance in 1000g of water is 7.13x10-3. The molecular mass of substance is:-

1. 180

2. 18

3. 1.8

4. 360

Concept Videos :-

#3 | Introduction to Colligative Properties
#4 | Relative Lowering Introduction to Colligative Properties

Concept Questions :-

Relative Lowering of Vapour Pressure/ Vapour Pressure
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