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20-05-2021
Chemistry

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Which of the following chemical formulas represents a total of 12 atoms of oxygen?

3Sn(SO4)2

2Fe(NO2)3

4Cu3(PO4)2

2Cr(NO3)3

Respuesta :

raeganc281 raeganc281

20-05-2021

Answer:

3Sn(s04)2

Explanation:bc it cant be anything else

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nkali2792009 nkali2792009

20-05-2021

2Fe(No2)3

Explanation:

by multiplying 2×3 we get 6

then 2×6 so we get 12 atoms of o

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