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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

1 answer

The balanced chemical equation is:

2 Na2O + CaBr2 → 4 NaBr + CaO

Therefore, the correct answer is D. 2:1:1:1.

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