Question

(b) Calculate number of moles of the following:
(i) 52.0 gram He (ii) 5.6 gram Fe

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Answer 1

1

2 g of He contain 1 mole

so , 52 g of He contains 52÷2 =26 moles

2

56 g of Fe contains 1 mole

so , 5.6 g of Fe contains 5.6÷56 = 0.1 moles

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