Question

Account for the following: Molality is preferred over molarity as a unit of concentration.

Answer 1

This is bcz molarity changes with temperature as the volume of water changes with temperature but their is nothing like this with molality.

Answer 2

because in solids volume is hard to be measured wheras moass of solvent in kg is easy to b measured as molarity is eual to no. moles of solute by volume of solution in ltrs