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quester [9]
2 years ago
7

HELP i will give crown and 15 points

Chemistry
2 answers:
kupik [55]2 years ago
5 0

Answer:

Sorry i cant see this question

Explanation:

Sorry

r-ruslan [8.4K]2 years ago
3 0
It’s 2 1 2 as oxygen on RHS will have 2 oxygens which makes hydrogen 4 and since hydrogen is already 2 to make it 4, we just have to multiply by 2.
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