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Source: GWD

Level: 3

The rate of a certain chemical reaction is directly proportaional 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 by 100%, which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged?

  • A 100% decrease
  • B 50% decrease
  • C 40% decrease
  • D 40% increase
  • E 50% increase

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