Question

The reaction of Br2 with Na2CO3 in aqueus solution gives sodium bromide and sodium bromate with evolution of CO2 gas. The number of sodium bromide molecules involved in the balanced chemical equation will be ?

Answer 1

Answer: 5 moles of sodium bromide molecules are produced in the given chemical reaction.

Explanation: For the reaction of bromine and sodium carbonate, the balanced chemical reaction will be:

$3Br_2+3Na_2CO_3\rightarrow 5NaBr+NaBrO_3+3CO_2$

By Stoichiometry,

3 moles of bromine reacts with 3 moles of sodium carbonate to produce 5 moles of sodium bromide, 1 mole of sodium bromate and 3 moles of carbon dioxide gas.

From the above stoichiometry, it is visible that 5 moles of NaBr are produced in the given chemical reaction.