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How does collision theory explain the effect of concentration on reaction rate? The reaction rate depends...

How does collision theory explain the effect of concentration on reaction rate?

The reaction rate depends on the sum of the reactant concentrations.
The reaction rate depends on the sum of the product concentrations.
The reaction rate depends on the product of the product concentrations.
The reaction rate depends on the product of the reactant concentrations.
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Answer #1

Answer: The reaction rate depends on the sum of the reactant concentrations.

Rate of reaction depends on successful or friutful collisions of the reactants, collisions are further enhanced by increasing the concentrations of reactants according to collision theory.

see the right side image at https://en.wikipedia.org/wiki/Collision_theory

high concentration leads to more collisions and enhanced rate thereby.

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