Question

calculate the number of moles of the following 52 grams of helium

Answer 1

since,       4g of helium contain 1 mole
therefore, 1g-------------------------1/4 mole
-----------,  52g ------------------------52/4 mole 
                                                   = 13 mole
Thus,the number of moles of the following 52 grams of helium is 13 mole.......
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Answer 2

plzz refer the attachment

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