A solution containing 28 g of phosphorus in 315 g `CS_(2)(b.p. 46.3^(@)C`) boils at `47.98^(@)C` . If `K_(b)` for `CS_(2)` is `2.34` K kg `mol^(-1)` . The formula of phosphorus is (at , mass of P = 31).

A solution containing 28 g of phosphorus in 315 g CS_(2)(b.p.46.3^(@)C boils at 47.98^(@)C . If k_(b) for CS_(2) is 2.34 K kg mol^(-1) . The formula of phosphorus is (at .massof P= 31 ).

A solution containing 28 g phosphorus in 315 g CS_2 (b. pt. 46.3^@C ) boils at 47.98^@C.K_b for CS_2 is 2.34 K mol^-1 kg. Calculate m.wt. of phosphorus and deduce its molecular formula. Assume its complete association.

A solution containing 3.3g of a substance in 125g of benzne (b.pt = 80^(@)C ) boils at 80.66^(@)C . If K_(b) for benzene is 3.28 "K kg mol"^(-1) the molecular mass of the substance will be :

A solution containing 3.3g of a substance in 125g of benzne (b.pt = 80^(@)C ) boils at 80.66^(@)C . If K_(b) for benzene is 3.28 "K kg mol"^(-1) the molecular mass of the substance will be :

A solution containing 3.3g of a substance in 125g of benzene (b.pt. = 80^@C ) boils at 80.66^@C . If K_b for benzene is 3.28 K kg mol l^(-1) the molecular mass of the substance will be:

The concentration of a solution contaning 23g of phosphorous in 315g CS_(2) is 2.34 mol kg^(-1) . The formula of phesphorous is (at mass of P=31)

An aqueous solution of glucose containing 12 g in 100 g of water was found to boil at 100.34^(@)C . Calculate of K_(b) for water in K mol^(-1)Kg .

An aqueous solution of glucose containing 12 g in 100 g of water was found to boil at 100.34^(@)C . Calculate of K_(b) for water in K mol^(-1)Kg .