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Which of the following contains same number of atoms as 12 g Mg?
(a) 12 g carbon (b) 20 g Ca
(c) 16 g O2 (d) 28 g N2
Which of the following contains same number of atoms as 12 g Mg?
(a) 12 g carbon (b) 20 g Ca
(c) 16 g O2 (d) 28 g N2
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