1. What overall reaction order corresponds with a rate constant with units s^–1? 2. What overall reaction order corresponds with a rate constant with units of M∙s^–1?

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If the reaction is zero order, the rate constant has exactly the same units as the rate of the reaction mol L-1 s -1.

If the reaction is first order, then the concentration of one reactant takes care of the units of concentration, thus the rate constant is simply given in units of reciprocal time, s-1.

If the reaction is second order, then two units of concentration are already present so the rate constant needs reciprocal time plus inverse units of concentration, L mol-1 s-1.

If the reaction is third order, the rate constant should have units of L2 mol-2 s-1.

the ratio of the conjugate base to the acid required to attain the desired ph.