Question

pKa1 = 2.95, pKa2 = 6.79
Phthalic acid {(COOH)C6H4(COOH)}, is a weak, diprotic acid with dissociation constants above. The pH of an aqueous solution of potassium acid Phthalate, {(COOH)C6H4(COO^-K^+) is —?
a) 9.74
b) 7.00
c) 6.79
d) 4.87
e) 2.95​

Answer 1

Explanation:

afgfesfdedtfesfee2.95