Rate as change per unit time
Rate as change per unit time
The rate of reaction is the change in concentration of a reactant or product per unit time. If concentration is measured in mol dm−3\text{mol} \, \text{dm}^{-3}moldm−3 and time in s, rate is usually quoted in mol dm−3 s−1\text{mol} \, \text{dm}^{-3} \, \text{s}^{-1}moldm−3s−1.