Class 11 NEET Chemistry Some Basic Concepts Of Chemistry

Molarity (M) = (Number of solute)\/(volume of solution in litres)
where in
It is defined as the number of moles of the solute in 1 litre of the solution.
No. of molecules (given) =6.02×1020
‌ No. of moles ‌=‌

6.02×1020

6.02×1023

=10−3‌ mol ‌
Volume of solution=100 ml=0.1L
Therefore, Molarity =‌

‌ no. of moles ‌

‌ volume ‌

‌

10−3

0.1

=0.01M