A molecule contains
10% iron by mass. The mass of the molecule is 67200. The number of iron atoms present in 0.5 mol of the molecule is:
(Atomic mass of Fe = 56 u)
1.120NA
2.60NA
3.240NA
4.56NA
Answers
Answered by
6
Explanation:
Percent by mass =10
100gm Of Molecule contains 10gm of iron
67200 Have
67200 ×10/100
=6720gm
The atomic weight of iron is 56
No. Of Moles =6720/56
No of Moles =120 Na
Hope This Will Help you
Answered by
5
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