How many grams of carbon and
oxygen are required to get the same
number of atoms as in one gram of Helium?
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Answer:
1 g He→41 mol He
No. of atoms αn of mols
∴ equal it mole equal
1 mol C weighs →12 g
41 mol C weighs →3 g
1 mol O→36 g
41 mol O→4 g
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