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Arturiano [62]
3 years ago
11

Need help here plz ASAP!!!!!!!!

Chemistry
2 answers:
Alekssandra [29.7K]3 years ago
8 0

Answer:

Three! 3

Explanation:

O2 means that there are two oxygen and I is just one

xxMikexx [17]3 years ago
4 0

Answer:

Explanation:

First one is compound

The second one is three

The third one is so dissolving in a glass of water

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