The total number of helium atoms in 1 gram of helium gas would be close to
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Molecular mass of He =4g
No. of mole = given mass/molecular mass
I.e.= 2/4=1/2
1 mole = 6.023×10^23 atoms
1/2 mole = x
x= 6.023 × 10^23 * 1/2
= 3.0115× 10^23
2g of He contain 3.0115× 10^23 atoms
No. of mole = given mass/molecular mass
I.e.= 2/4=1/2
1 mole = 6.023×10^23 atoms
1/2 mole = x
x= 6.023 × 10^23 * 1/2
= 3.0115× 10^23
2g of He contain 3.0115× 10^23 atoms
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