Balance the following chemical equation:
_Na2O + _ CaBR2 → _ NaBr + _ CaO
A. 1:1:1:2
B. 1:1:2:1
C. 1:2:1:1
D. 2:1:1:1
The balanced chemical equation is:
2 Na2O + CaBr2 → 4 NaBr + CaO
Therefore, the correct answer is D. 2:1:1:1.
_Na2O + _ CaBR2 → _ NaBr + _ CaO
A. 1:1:1:2
B. 1:1:2:1
C. 1:2:1:1
D. 2:1:1:1
2 Na2O + CaBr2 → 4 NaBr + CaO
Therefore, the correct answer is D. 2:1:1:1.