Author Question: A titration of 200.0 mL of 1.00 M H2A was done with 1.37 M NaOH. For the diprotic acid H2A, Ka1 = ... (Read 74 times)

jerry coleman · **on:** Mar 21, 2021

Question 1

A titration of 200.0 mL of 1.00 M H₂A was done with 1.08 M NaOH. For the diprotic acid H₂A, K_a1 = 2.5 × 10^–5, K_a2 = 3.1 × 10^–9. Calculate the pH after 600.0 mL of 1.08 M NaOH have been added.

◦ 13.491
◦ 0.509
◦ 13.748
◦ 0.252
◦ 9.491

Question 2

A titration of 200.0 mL of 1.00 M H₂A was done with 1.37 M NaOH. For the diprotic acid H₂A, K_a1 = 2.5 × 10^–5, K_a2 = 3.1 × 10^–9. Calculate the pH after 100.0 mL of 1.37 M NaOH have been added.

◦ 9.06
◦ 8.85
◦ 5.15
◦ 9.88
◦ 4.94

lolol · **Reply #1 on:** Mar 21, 2021

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