rate2003
花朵
共回答了27个问题采纳率:88.9% 举报
C
A正确,由电荷守恒可得 c (NH 4 + )+ c (H + )= c (Cl - )+ c (OH - ),即得 c (NH 4 + )> c (Cl - ), c (OH - )> c (H + );B正确,由电荷守恒 c (NH 4 + )+ c (H + )= c (Cl - )+ c (OH - ),即得 c (NH 4 + )= c (Cl - ), c (OH - )= c (H + );C错,由电荷守恒 c (NH 4 + )+ c (H + )= c (Cl - )+ c (OH - ),若 c (Cl - )> c (NH 4 + ),则 c (OH - )< c (H + );D正确;
1年前
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