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fenix001 [56]
3 years ago
10

How are coefficients used to balance chemical equations?

Chemistry
1 answer:
Zepler [3.9K]3 years ago
4 0
According to the law of conservation of mass, the quantity of the elements, involved in chemical reactions does not change. For example,
H2O2 - > H2O + O2
is wrong, because there are two O atoms on the first side of the equation, and three on the other. To correct it, coefficients must be added, until the amount of both H and O atoms is equal on both sides.
2H2O2 - > 2H2O + O2
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