Which of the following is a balanced chemical equation for the synthesis of the ionic compound, sodium bromide or NaBr from sodium (Na) and bromine gas (Br2)?
Remember that to be balanced a chemical equation must have the same number of atoms on each side of the equation.
Hint the numbers following atomic symbols are meant to be subscripts.
a
2 Na + Br2 --> 2 NaBr
b
2 Na + Br2 --> NaBr
c
Na + Br2 --> NaBr
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Answer:
OPTION A
AS ON BOTH SIDE THERE IS 2 NA AND 2 BR
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