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A 2000-ML Sample of the Weak Acid H3A (0

Question 72

Multiple Choice

A 200.0-mL sample of the weak acid H3A (0.100 M) is titrated with 0.200 M NaOH. What are the major species at each of the following points in the titration? (Water is always assumed to be a major species.)
-After 220.0 mL of 0.200 M NaOH is added


A) A3-
B) OH-, A3-
C) H2A-, HA2-
D) HA2-
E) HA2-, A3-

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