Question

The pH of an HCl solution is found to be 3.00. To what final volume must the acid be diluted so that the pH of the solution becomes 3.50?

Answer 1

Convert the pH values to \([H_3O^+]\) (using the relationship: \(pH=-log[H_3O^+]\) )

then use: \(M_1V_1=M_2V_2\)