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If C0 and C are the concentrations of a reactant initially and after time t then, for a first order reaction :

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If C0 and C are the concentrations of a reactant initially and after time t then, for a first order reaction :

(a) C = C0ekr 

(b) C0 = 1/C e-kr

(c) C = C0e-kr 

(d) CO = C ekr

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1 Answer

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Option : (b) C0 = 1/C e-kr

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