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Question

The concentration of a reactant changes from .03M to .02M in 25 minutes. The average rate of reaction, using time in seconds is
  1. 6.67×106mol/l/s
  2. 0.4×103mol/l/s
  3. 0.024mol/l/s
  4. 0.24mol/l/s


Solution

The correct option is A 6.67×106mol/l/s
Rate=Δ[R]Δt=(0.020.03)25×60=6.67×106mol/l/s

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