公式总结 [H,O][B] K=LHB]IOH-1 [HBT [B] KaKb=Kw 一元弱酸、弱碱pH计算 KtcK ≥500 H]=- K 21V H]=√Kac oI=- K 4 [OH]=√K,c [ ] [ ][ ] 3 HB H O B K a + −  = [ ] [ ][ ] − − = B HB OH Kb Ka ·Kb = KW c Ka   a 2 a a 2 4 [H ] cK K K = − + + + = K c + a [H ] b 2 b b 2 4 [OH ] cK K K = − + + − = K c b - [OH ]  500 Ka c 当 公式总结 一元弱酸、弱碱pH计算