Question

calculate the number of moles for 52g of He

Answer 1

the answer is 52/4=13 moles

Answer 2

Hi friend
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Your answer
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Now,
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mass of Helium = 4 u

Then,
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4 grams of Helium = 1 mole

1 gram of Helium = 1/4 mole

52 grams of Helium = 52/4 moles = 13 moles

HOPE IT HELPS