Define molality.

Define molarity and molality.

One of your friends defines molality as follows. “It is the number of gram moles of the solute dissolved per litre of solution: Is it correct?

One of your friends defines molality as follows. “It is the number of gram moles of the solute dissolved per litre of solution:Calculate the molality of a solution containing 20 g of NaOH in 250g of H_2O .

Define molal depression constant.

Define molal elevation constant.