Reactions with Multiple Reactants

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Reactions with Multiple Reactants

Postby 704578485 » Tue Feb 09, 2016 2:20 pm

Why in the section in the course reader(pg. 69) when discussing finding the mechanisms and profiles of a reaction do we perform the method in which we go through multiple separate steps in which we reduce one of the reactants concentrations to a very small amount?I understand that to see how a reactant is affecting a reaction we need to treat it in a different manner but why when its concentration is comparatively much lower than the other reactants' concentrations does it ultimately determine the rate of the reaction?

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Re: Reactions with Multiple Reactants

Postby Chem_Mod » Tue Feb 09, 2016 8:09 pm

By limiting the concentration, we are making that species the limiting reagent, with which its concentration will more or less determine the rate of the reaction.

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