The vapour pressure of acetone at `20^(@)C` is 185 torr. When `1.2 g` of non-volatile substance was dissolved in `100g` of acetone at `20^(@)C` its vapour pressure was 183 torr. The moalr mass `(g mol^(-1))` of the substance is:

The vapour pressure of acetone at 20^(@)C is 185 torr. When 1.2 g of a non-volatile substance was dissolved in 100 g of acetone at 20^(@)C , its vapour pressure was 183 torr. The molar mass ( " g mol"^(-1)) of the substance is :

The vapour pressure of acetone at 20^(@) C is 185 torr when 1.2 g of a non - volattile substance was dissolved in 100 g of acetone at 20^(@) C ,its vapour pressure was 183 torr . The molar mass ( g mol ^(-1) ) of the substance . is molar mass ( g mol ^(-1)) of the substance is ______.

The vapor pressure of acetone at 20^(@)C is 185 torr. When 1.2 g of a non-volatile solute was dissolved in 100 g of acetone at 20^(@)C , it vapour pressure was 183 torr. The molor mass (g mol^(-1)) of solute is:

The vapor pressure of acetone at 20^(@)C is 185 torr. When 1.2 g of a non-volatile solute was dissolved in 100 g of acetone at 20^(@)C , it vapour pressure was 183 torr. The molar mass (g mol^(-1)) of solute is: