Chemistry, asked by bunny4018, 9 months ago

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 Anonymous
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 Anonymous
5

Hi bunny aagae Good morning...

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