3g of `X` dissolve in 100g of `"CC"l_4` which increases the bioling point by 0.6. Find molar mass of `X` .Given `K_b` of `"CC"l_4` = 5KKg/mol

When 3.00 g of a substance 'X' is dissolved in 100 g of "CC"l_4 , it raises the boiling point by 0.60 K. The molar mass of the substance 'X' is ________ g mol^(-1) . (Nearest integer). [Given Kb for "CC"l_4 is 5.0 K kg mol^(-1) ]

1.00g of non - electrolyte dissolved in 100 g of CS_(2) , the freezing point lowered by 0.40 K. Find the molar mass of the solute . ( k_(f) for CS_(2) = 5.12 K kg mol^(-1) ).

The addition of 3g of a substance to 100g C CI_(4)(M = 154 g mol^(-1)) raise the boiling point of C CI_(4) by 0.60^(@)C of K_(b)(C CI_(4)) is 5.03 kg mol^(-1) K . Calculate: (a) the freezing point depression (b) the relative lowering of vapour pressure (c) the osmotic pressure at 298K the molar mass of the substance Given K_(f)(C CI_(4)) = 31.8 kg mol^(-1) K and rho (density) of solution = 1.64g//cm^(3)

The mass of ascorbic acid (C_(6)H_(8)O_(6)) to be dissolved in 100g of acetic acid to lower its freezing point by 1.5^(@)C in g is : ( K_(f) for acetic acid is "4.0 K kg mol"^(-1) )