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Chemistry

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If the initial rate of reaction is observed to increase by a factor of nine when the concentration of a reactant is tripled, what is the order of reaction with respect to that reactant?
a)0
b)1
c)2
d)3
e)5

I think it's c am i right? Explain in case i'm misreading the question.

  • Chemistry -

    rate = 9 = 3x
    Solve for x. c is correct.

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