At T( ~K ) if the rate constant for a zero order reaction is 2.5 10⁻³ ~ms ⁻¹ , the time required for the initial concentration of reactant, R to fall from 0.10 M to 0.075 M at the same temperature in seconds is

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Correct answer: C. 10

aligned t & = [R₀ ]-[R]_E K t= 0.1-0.075 2.5 10⁻³ & = 0.025 2.5 10⁻³ t=0.01 10^3=10 ~s aligned

At T( ~K ) if the rate constant for a zero order reaction is 2.5 10⁻³ ~ms ⁻¹ , the time required for the initial concentration of reactant, R to fall from 0.10 M to 0.075 M at the same temperature in seconds is

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