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

question 31

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 350.0 mL of 0.200 M NaOH is added

• A) A^3-
• B) HA^2-, A^3-
• C) HA^2-
• D) OH^-, A^3-
• E) H₂A^-, HA^2-

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