# The rate of reaction A --- B becomes 27 times when the concentration of A is increased 3 times.What is the order of the reaction?

rate = k [ A ] m

where m is the order of rxn.....in this qs order will be 3..
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order will be 3

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howwww?????/ pls fast

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Given that concentration of A is increased by 3 times and the rate becomes 27 times.
Rate directly proportional [A]^x
27 directly proportional [3]^x
3^3 directly proportional [3]^x
x=3, as 3 and 3 get cancelled.