The boiling point of pure acetone is 56.38^(@)C`. When 0.707 g of a compound is dissolved in 10 g of acetone there is elevation to `56.88^(@)C` in b.p What is the mol.wt. of the comound ?
`(K_(b)" of acetone"=1.72 K kg mole^(-1))`

0.70 g of an organic compund when dissolved in 32g of acetone produces in an elevation in boiling point of 0.25^(@)C . Calculate the molecular mass of the organic compound. (K_(b)" for acetone "=1.72 K kg mol^(-1)) .

0.70 g of an organic compound when dissolved in 32 g of acetone produces an elevation of 0.25°C in the boiling point. Calculate the molecular mass of organic compound. (K_(b)" for acetone" = 1.72" K kg mol"^(-1)) .

Acetone boils at 56.38^(@) C and a solution of 1.41 g of an organic compound in 20 g of acetone boils at 56.88^(@) C. Calculate the molar mass of the organic compound (Given k_(b) for acetone = 1.67 k kg/ mol).

Elevation in boiling point was 0.52^(@)C when 6 g of a compound X was dissolved in 100 g of water. Molecular weight of X is ( K_(b) of water is 5.2^(@)C per 100 g of water)

Elevation in boiling point was 0.52^(@)C when 6 g of a compound X was dissolved in 100 g of water. Molecular weight of X is ( K_(b) of water is 5.2^(@)C per 100 g of water)

0.48 g of a substance is dissolved in 10.6 g of C_(6)H_(6) .The freezing point of benzene is lowered by 108^(@)C . What will be the mol.wt. of the ( K_(f) for benzene = 5 )

(a) Acetone boils at 56.38^@C and a solution of 1.41g of an organic compound in 20 g of acetone boils at 56.88^@C . Calculate the molar mass of the organic compound (Given K_(b) for acetone =1.67 K kg//mol ). (b) What is reverse Osmosis?Mention one important application of it.

Calculate the boiling point of solution containing 0.456g of camphor (molar mass =152 ) dissolved in 31.4g of acetone (boiling point =56.30^(@)C ), if the molar elevation constant per 100g of acetone is 17.2^(@)C.