Author Question: A 50.00-mL sample of a 1.00 M solution of the diprotic acid H2A (Ka1 = 1.0 106 and Ka2 = 1.0 1010) ... (Read 31 times)

amal · **on:** Mar 21, 2021

Question 1

A 50.00-mL sample of 0.100 M KOH is titrated with 0.171 M HNO₃. Calculate the pH of the solution after 52.00 mL of HNO₃ is added.

◦ 12.58
◦ 1.06
◦ 1.42
◦ 12.94
◦ None of these are correct.

Question 2

A 50.00-mL sample of a 1.00 M solution of the diprotic acid H₂A (K_a1 = 1.0 × 10^–6 and K_a2 = 1.0 × 10^–10) is titrated with 2.00 M NaOH. How many mL of 2.00 M NaOH must be added to reach a pH of 10?

◦ 0 mL
◦ 12.5 mL
◦ 25.0 mL
◦ 37.5 mL
◦ None of these are correct.

vish98 · **Reply #1 on:** Mar 21, 2021

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