NO3- , mass
回答 (1)
2009-03-02 6:16 am
✔ 最佳答案
All substances can use formula mass.
Only molecular substances can use (relative) molecular mass.
NO3- is an ion, but not molecular. Therefore, NO3- can use formula mass, but not (relative) molecular mass.
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收錄日期: 2021-04-29 18:16:29
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