标准状况下, 氧气的体积为:
Answer and explanation
Correct answer: D.
其他选项为什么不对: 代入检验,、、都与算出的 不符。
- Step 1: 标准状况下气体摩尔体积 。
- 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: D.
Free questions with an explanation for every one, and full timed Gaokao mock tests.