Homework Help: Chemistry

Posted by saud on Friday, November 18, 2011 at 12:58pm.

if the initial concentration of the reactant in the first order reaction A→products is 0.64 mol/L and the half-life is 30 s, calculate the concentration of reactant 120 s after initiation of the reaction

Chemistry - DrBob222, Friday, November 18, 2011 at 5:29pm
half lives = 120/30 = 4
2^4 = 16 and
0.64/16 = ??

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