Question

How much (in mL) 12.1 M solution of hydrochloric acid would be required to make 500 mL of a 2.5 M solution

Answer 1

Volume of the concentrated solution, which is needed is 103.30 mL

Step-by-step explanation:

Let's apply the formula for dilutions to solve the problem

Conc. Molarity . Conc. volume = Dil. Molarity . Dil volume

12.1 M . Conc. volume = 2.5 M . 500 mL

Conc. volume = (2.5 M . 500 mL) / 12.1M

Conc. volume = 103.30 mL