将 的溶质溶于水配成 溶液,其物质的量浓度为:
Answer and explanation
Correct answer: B.
其他选项为什么不对: 代入检验,、、都与算出的 不符。
- Step 1: 。
- Step 2: 。
Answer
.
Practise more 物质的量.
Free questions with an explanation for every one, and full timed Gaokao mock tests.
Correct answer: B.
Free questions with an explanation for every one, and full timed Gaokao mock tests.