Two aqueous solution containing, respectively, 7 g urea (molar mass = 60 g) and 42 g of substance `X` in `100 g` of water freeze at the same temperarture. Calculate the molecular weight of `X`.

The aqueous solutions containing respectively 7.5 g of urea (molar mass=60) and 42.75 g of substance X in 100 g of water freeze at the same temperatuer. Calculate the molecular weight of X.

Visha took two aqueous solutions, one containing 7.5 g of urea (Molar mass = 60 g/mol) and the other containing 42.75 g of substance Z in 100 g of water, respectively. It was observed that both the solutions froze at the same temperature. Calculate the molar mass of Z.

Visha took two aqueous solutions, one containing 7.5 g of urea (Molar mass = 60 g/mol) and the other containing 42.75 g of substance Z in 100 g of water, respectively. It was observed that both the solutions froze at the same temperature. Calculate the molar mass of Z.

The molarity of solution containing 15.20 g of urea, (molar mass = 60) dissolved in 150 g of water is

The molarity of solution containing 15.20 g of urea, (molar mass = 60) dissolved in 150 g of water is

The molality of solution containing 15.20 g of urea ( molar mass = 60 ) dissolved in 150 g of water is ______.

The molality of solution containing 15.20 g of urea ( molar mass = 60 ) dissolved in 150 g of water is ______.