5. A reaction of A products follow a firstorder Kinetics, If it takes 129 second for the concentatun of , take for the concentratim of A that remains to be 0.562 M? what is the half-life ? Howlong take to be 85%. completed 7 How long willit takes to reach A to qo from D.968 M to 0.909 M how long will it ng. willit 4 half-lives 7

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Q: 13.17

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