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the rate of a certain reaction is directly proportional to t

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the rate of a certain reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present.if the concentration of chemical B is increased bu 100 percent,which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged?
the rate of a certain reaction is directly proportional to t
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