A Solution of 1.2 g of a non volatile substance in 100 gm acetone at 20c and vapour pressure of 182. 5 mm of Hg if vapour pressure of acetone in 20 cin 185 mm of Hg calculate the molecular mass of the substance?
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When 1.2 g of a non-volatile substance was dissolved in 100 g of acetone at 20oC, its vapour pressure was 183 torr. The molar mass (g mol-1 ) of the substance is: 32.
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