Question

what is molality,molarity?

Answer 1

molality
moles of solute per kilogram of solvent. 

molarity
 moles of solute per liter of solution.

Answer 2

What is Molality ?

- Molality ( m ) is expressed as dissolved in hundred grams that is one kg of solvent it is denoted by m.

- It is calculate by : m = moles of solute / kg of solvent

What is Molarity ?

- It is expressed as moles of solute contained in one litre of solution or it is also taken as millimoles of solute in 1 ml of solution. It is denoted by M.

- It is calculated by : Molarity ( M ) = moles of solute / litres of solution = millimoles of solute / millimetres of solution.