athe number of atoms is 52 amu of He are
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Explanation:
4g of He has 1 mole 1g of He has 1/4 mole 52g of He has 1/4x52 = 13 moles 1 mole=6.022x10^23atoms. OR Atomic mass of Helium is 4u = 2protons + 2 Neutrons = 1 atom. No. of atoms in 52u = 52/4 = 13 atoms.
Answered by
1
Explanation:
Molecular mass of He=4amu
Total mass=52amu
number of atoms=total weight/molecular weight
number of atoms=52/4=13
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