How many atoms of hydrogen (H) are present in 200 molecules of ammonia (NH3)?
回答 (2)
2008-10-04 8:04 pm
✔ 最佳答案
there are 3 atoms of H for each N.therefore, if there are 200 molecules, there would be 200 of N and ( 3 * 200 ) of H.
2008-10-04 8:13 pm
200 molecules in ammoniaNH3
so there r 200*3 =600
so there r 200*3 =600
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