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Balance the following the chemical equation:

_Na2O + _ CaBr2 ---> _ NaBr + _ CaO

a
1:1:2:1
b
2:1:1:1
c
1:2:1:1
d
1:1:1:2

1 answer

The balanced chemical equation is:

2 Na2O + CaBr2 ---> 4 NaBr + CaO

So the correct answer is c: 1:2:1:1.
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