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26. For the following second order reaction, how long will it take for a 80% solution of A to decompose to a 20% solution if the rte constant is 0.248 Lmol*s at 25°C? 3A2D a. -15 seconds b. .93 seconds c. 15 seconds d. -93 seconds 27. For the following first order reaction, what is the half life if the rate constant is 2.49 s and the original concentration of A is 2.56 M? a. 0.278 seconds b. 3.59 seconds c. 2.07 seconds
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