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How many total atoms in 5 mg(NO3)2
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How many total atoms in 5 mg(NO3)2

User Frantic
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There are 45 as 1 mg(NO3)2 = 9 atoms.

User Michael Warner
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Answer:

5 Mg (magnesium), 2 N (nitrogen), and 6 O (oxygen) -- total of 13 atoms

User Aphoe
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