Balance the following the chemical equation:

Question

_ Na2O + _ CaBr2 → _ NaBr + _ CaO

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

Answer 1

The balanced chemical equation is:

2 Na2O + CaBr2 → 4 NaBr + CaO

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