What is the volume of a 0.5 mol/l naoh solution required to completely react with 20 ml of a 2.0 mol/l hcl solution?

The chemical reaction that occurs between and is:

Using formula:

where M is the concentration in molarity and V is volume of the solution.

Molarity of  (given)

Molarity of  (given)

Volume of  (given)

Since, 1 mL= 0.001 L

So, volume of

The volume of can be determined using equation:

Substituting the values:

Since, 1 L = 1000 mL

So, the volume of = .

Hence, 80 mL of a 0.5 mol/L solution required to completely react with 20 mL of a 2.0 mol/L solution.