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How many hydrogens are in 4H207?
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How many hydrogens are in 4H207?

User Rog
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2 Answers

4 votes
8
It’s 8 because you mulitiply 4x2 so if you had to do oxide(oxygen) it would be 4x7 cuss you multiply the number added before H2O7 and the small numbers already there (deside it) is multiplied
Hope this helps you
User Antlas
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4.3k points
3 votes
4 I think
Hope that helped
User Ghbarratt
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