What will be the resultant pH when 200 mL of an aqueous solution of HCl (pH = 2.0) is…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

What will be the resultant pH when 200 mL of an aqueous solution of HCl (pH = 2.0) is mixed with 300 mL of an aqueous solution of NaOH (pH = 12.0)?