BD 正确答案:BDA.不正确,由电荷守恒,等浓度、等体积的NaOH 和二元弱酸H 2 A 混和溶液中: c (Na + ) + c (H + ) = c (HA - ) + c (OH - ) + 2 c (A 2 - )B.正确,1 L 0.1 mol?L -1 CuSO 4...
下列溶液中,各关系式正确的是()
BD 正确答案:BDA.不正确,由电荷守恒,等浓度、等体积的NaOH 和二元弱酸H 2 A 混和溶液中: c (Na + ) + c (H + ) = c (HA - ) + c (OH - ) + 2 c (A 2 - )B.正确,1 L 0.1 mol?L -1 CuSO 4...