48.5k views
1 vote
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

2 Answers

1 vote

Answer:

3Sn(s04)2

Explanation:bc it cant be anything else

User Dulani Maheshi
by
3.7k points
3 votes

2Fe(No2)3

Step-by-step explanation:

by multiplying 2×3 we get 6

then 2×6 so we get 12 atoms of o

User Blunova
by
3.6k points