When a reaction is at equilibrium, which of the following MUST always be true?

Question

the amount of reactants is equal to the amount of products.
the amount of reactants is greater than the amount of products.
the rate of the forward reaction is equal to the rate of the reverse reaction.
the reaction stops.

lenpol7 · Answer

The rate of the forward reaction is equal to the rate of the reverse reaction. is the true statement.

The quantities of reactants and products may be unequal. 
The reaction does NOT stop.

Roger the Mole · Answer

the rate of the forward reaction is equal to the rate of the reverse reaction.

When a reaction is at equilibrium, which of the following MUST always be true?

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