Question

6.) Calculate the molarity of a solution of HCl when 87 g of HCl are mixed with 230 mL of H2O.

Answer 1

molarity is number of moles in one litres of solution

first of all let's calculate the moles of HCl here = $\frac{87}{36.5}$ =2.38

molarity=$\frac{2.38}{0.23}=10.35$