A solution of ammonia and water contains 4.90×1025 water molecules & 9.00×1024 ammonia molecules.How many hydrogen atoms are in this sol?
回答 (1)
2015-09-03 7:52 am
ammonia ... NH3 .. water H2O
(4.90×10^25)×2 + (9.00×10^24)×3
= 1.25×10^26 atoms of H
(4.90×10^25)×2 + (9.00×10^24)×3
= 1.25×10^26 atoms of H
收錄日期: 2021-04-21 13:56:37
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