Question

In a 0.01 M solution of 1,4-butanedicarboxylic acid, HOOCCH2CH2COOH (Ka1= 2.9 x10-5, Ka2= 5.3 x10-6), which species is present in the lowest concentration?
A) -OOCCH2CH2COO-(aq)
B) H2O
C) HOOCCH2CH2COO-(aq)
D) H3O+(aq)
E) HOOCCH2CH2COOH(aq)

Answer

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