A 200 mL solution contains 7.3 g of HCl and has a density of 1.02 g/mL. What is its molarity? (Molar mass: HCl = 36.5 g/
Moles of HCl = 7.3/36.5 = 0.2 mol. Volume = 0.2 L. Molarity = 0.2/0.2 = 1 M.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Stoichiometry and Stoichiometric Calculations and Limiting Reagent