The rate of a reaction is found to increase nine-fold when the concentration of one reactant is tripled. The order of the reaction with respect to this reactant is

Question

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The rate of the reaction is proportional to the concentration of the reactant raised to the power of its order. If the concentration is tripled and the rate increases nine-fold, then the order of the reaction with respect to this reactant must be 2.

The Rate of a Reaction Is Found to Increase Nine-Fold