Balance the following the chemical equation:
_ Na2O + _ CaBr2 → _ NaBr + _ CaO
a
1:1:1:2
b
1:2:1:1
c
1:1:2:1
d
2:1:1:1
The balanced chemical equation is:
1 Na2O + 1 CaBr2 → 2 NaBr + 1 CaO
Therefore, the correct answer is option c) 1:1:2:1.