更新1:
So its 3.45x10^23 right? Kinda a trick question no?
How many atoms of oxygen are there in 3.45 x 1023 molecules of H2O.?
回答 (1)
2017-08-20 2:19 pm
1 H₂O molecule contains 1 O atom.
Hence, no. of O atoms = no. of H₂O molecules = 3.45 × 10²³
Hence, no. of O atoms = no. of H₂O molecules = 3.45 × 10²³
收錄日期: 2021-04-18 17:41:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170820012636AAQ8BgJ