if a sample of Fe(SO4)3 contains 7.2 moles of O atoms then the number of S atoms in the given sample are ?
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it's answer is 1.8 * 6.022*10^23
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Answer:1.8 NA
Explanation:
12 O atom=7.2
1 O atom =7.2/12
=0.6
3S atoms= 3× 0.6=1.8mol
No. Of atoms = 1.8 NA
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