Question

2. Define molality.​

Answer 1

Explanation:

The number of moles of a substance in one litre of solvent is called molarity of that solution.

For example --> if 4 moles of NaCl is dissolved in one litre of water then the molarity of the solution will be 4 moles per litre

formula

molarity = number of moles/ Amt of water

SI unit mol/ L