Because rate is independent of reactant concentration, a graph of the concentration of any reactant as a function of time is a straight line with a slope of −k. ... In a zeroth-order reaction, the rate constant must have the same units as the reaction rate, typically moles per liter per second
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For a zero order reaction, concentration of reactant versus time graph is a straight line. The slope of the line is -k.
Because rate is independent of reactant concentration, a graph of the concentration of any reactant as a function of time is a straight line with a slope of −k. ... In a zeroth-order reaction, the rate constant must have the same units as the reaction rate, typically moles per liter per second