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?

Question

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.

DrBob222 · Answer

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