在1 L 1 mol·L-1的氨水中( )A.含有1 mol NH3分子B.含NH3和之和为1 mo

1 L 1 mol·L-1的氨水中(  )

A.含有1 mol NH3分子

B.含NH3之和为1 mol

C.含1 mol NH3·H2O

D.含NH3、NH3·H2O、之和为1 mol

答案

解析:氨气溶于水后,大部分与水反应

,所以氨气进入水中后有三种存在形式:NH3·H2O、NH3,三者的总和等于1 mol。

答案:D


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