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Mashcka [7]
2 years ago
5

What is the valence number of HCO3-.​

Chemistry
1 answer:
Irina18 [472]2 years ago
5 0
-1 is the answer

So it requires one cation (i.e. positively charged ion). So according to this, its valency is -1. A hydrogen carbonate ion has the formula HCO3-, so the valency of a hydrogen carbonate ion is -1.
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