74. Which is the major specie for a carbonate-containing solution at pH 8.5? (Ka1 = 4.3 × 10–7, Ka2
問題詳情
74. Which is the major specie for a carbonate-containing solution at pH 8.5? (Ka1 = 4.3 × 10–7, Ka2 = 4.8 × 10–11 for carbonic acid) (A) CO2 (B) H2CO3 (C) HCO3− (D) CO32− (E) C2O42−