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Reaction of Br(2) with Na(2)CO(3) in aqu...

Reaction of `Br_(2)` with `Na_(2)CO_(3)` in aquesous solution gives sodium bromide bromate with evolution of `CO_(2)` gas. The number of sodium bromide molecules involved in the balanced chemical equation is:

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The correct Answer is:
5
`3Br_(2) + 3Na_(2)CO_(3) to 5NaBr + NaBrO_(3) + 3CO_(2)`
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