Problem 14-63

From the pH, the [H⁺] concentration is calculated: [H⁺] = 10^-pH
This concentration of [H⁺] x 1.600 L gives the number of mol of H⁺ required or, the volume of HCl 12 M to add.
Finally, once the HCl 12 M is transfered to the beaker, water is added to 1.600 L