Science, asked by muzamil37, 1 year ago

calculate the number of molecules in 52g of He

Answers

Answered by ganeshkoushik3p2cebs
1

The molar mass that is the mass of 6.022 X 1023 atoms of helium is 4g. 


Hence 1 mole of He = 4 g of He = 6.022 X 1023atoms of  He


 1 g of He = (6.022 X 1023) / 4 atoms of  He


52 g of He = (6.022 X 1023X 52 ) / 4 atoms of  He


 = 7.829 X 1024 atoms of He



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Answered by thameshwarp9oqwi
1

The molar mass that is the mass of 6.022 X 1023 atoms of helium is 4g. 


Hence 1 mole of He = 4 g of He = 6.022 X 1023atoms of  He


 1 g of He = (6.022 X 1023) / 4 atoms of  He


52 g of He = (6.022 X 1023X 52 ) / 4 atoms of  He


 = 7.829 X 1024 atoms of He



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