Question

Calculate no.of moles present in 5.68 grams of iron

Answer 1

No of moles = given wt / molecular wt
= 5.68 /56.8
= 0.1 moles

Answer 2

No of moles = given mass ÷ molecular mass
No of moles = 5.68 ÷ 56.8
No of moles = 0.1 mole ....

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