which of the following contains maximum number of atoms and why? (a) 4g of H2 (b) 16g of O2 (c) 28g of N2 (d) 18g of H2O
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Answer:
Let's convert given data into no. of moles first
By formula n=m/M
a) 4g of H2
No. of moles (n) = 4/2
(b) 16g of O2
No. of moles (n) = 16/32
(c) 28g of N2
No. of moles (n) = 28/28
(d) 18g of H2O
No. of moles (n) = 18/18
Clearly, 4 g of Hydrogen contains maximum number of atoms.
So, correct option is (a)
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