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What do the coefficients in a balanced chemical equation represent?

Answer 1

The coefficients in a balanced chemical equation represent the relative amounts of moles of reactants and products involved in a chemical reaction.

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Answer 2

Luna Chen

The number of molecules.

Like,if taken the example of: #2H_2# + #O_2# = #2H_2O# Here, '2' before H means two hydrogen molecules and '2' before #H_2O# means two water molecules.

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Answer 3

Noah Aldrich

The coefficients in a balanced chemical equation represent the mole ratios of the reactants and products involved in the chemical reaction.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.