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Cerrena [4.2K]
3 years ago
9

What do the coefficients located before certain molecules in each chemical equation represent?

Chemistry
1 answer:
olga55 [171]3 years ago
6 0
It represents the number of moles required of that molecule to balance the chemical equation, which means to have the reaction chemically happen and goes to completion.

For example:
CH4 + O2 --> H2O + CO2     that is not balanced

with the coefficients located
CH4 + 2O2 --> 2H2O + CO2    now with the coefficients the number of oxygen and hydrogen on each side are equal
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