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scoray [572]
3 years ago
5

PLEASE

Chemistry
1 answer:
Nimfa-mama [501]3 years ago
5 0
A. 1,5,3,4

the 3 and 4 increase the number of oxygens on the right side to 10 so you have to put a 5 in front of the oxygen of the left side to balance it out
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