molarity and molality

Hunderd gram of Al(NHO_(3))_(3) [molar mass 213 g mol^(-1) ] is dissolved in 1L of water at 20^(@)C . The density of water at this temperature is 0.9982 cm^(-3) and the density of resulting solution is 0.999 g cm^(-3) . Calculate the molarity and molality of this solution .

The freezing point of 0.02 mole fraction acetic acid in benzene is 277.4 K . Acetic acid exists partly as dimer. Calculate the equilibrium constant for dimerization. The freezing point of benzene is 278.4 K and the heat the fusion of benzene is 10.042 kJ mol^(-1) . Assume molarity and molality same.

Which out of molarity or molality will change with change in temperature and why ?

Molarity , normality and molality of the solution containing 22% of Al_2(SO_4)_3{d=1.253g//mL} by weight are

A solution of Al_(2)(So_(4))_(3){d=1.253 gm//ml} contain 22% salt by weight. The molarity , normality and molality of the solution is

A solution of KNO_(3) in water is prepared for which the following data have been obtained: masses of solute and solvent molar masses of solute and solvent Which of these quantitive descriptions of the solution can be determined? (P) molarity (Q) molality density of solution