The rate constant for a zero order reaction i | vedclass

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(D) For a zero order reaction,the integrated rate equation is given by: $A_t = A_0 - kt$ Where: $A_t$ is the concentration at time $t$ $A_0$ is the in

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(D) For a zero order reaction,the integrated rate equation is given by: $A_t = A_0 - kt$ Where: $A_t$ is the concentration at time $t$ $A_0$ is the initial concentration $k$ is the rate constant $t$ is the time Given: $k = 2 	imes 10^{-2} \ mol \ L^{-1} \ sec^{-1}$ $t = 25 \ sec$ $A_t = 0.5 \ M$ Substituting the values: $0.5 = A_0 - (2 	imes 10^{-2} 	imes 25)$ $0.5 = A_0 - 0.5$ $A_0 = 0.5 + 0.5 = 1.0 \ M$

The rate constant for a zero order reaction is $2 \times 10^{-2} \ mol \ L^{-1} \ sec^{-1}$. If the concentration of the reactant after $25 \ sec$ is $0.5 \ M$,the initial concentration must have been ......... $M$.

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