Question 1
A 100.0 mL sample of 0.18 mol L
-1 HClO
4 is titrated with 0.27 mol L
-1 NaOH. Determine the pH of the solution after the addition of 30.0 mL of NaOH.
◦ 0.86
◦ 1.21
◦ 2.00
◦ 2.86
◦ 1.12
Question 2
A 100.0 mL sample of 0.18 mol L
-1 HClO
4 is titrated with 0.27 mol L
-1 NaOH. Determine the pH of the solution after the addition of 66.67 mL of NaOH (this is the equivalence point).
◦ 2.76
◦ 13.03
◦ 7.00
◦ 0.97
◦ 11.24