200 mL of 010 M H2SO4aq was added to 500 mL of 010 M NaOHaq

20.0 mL of 0.10 M H₂SO₄(aq) was added to 50.0 mL of 0.10 M NaOH(aq) and the mixture was stirred, then tested with a pH-meter. What is its pH at 25.0 ^°C?

Solution

12.15