પરંતુ $\frac{d[N{{O}_{2}}]}{dt}=$ $\frac{\text{2}\text{.0}\times \text{1}{{\text{0}}^{\text{ - 2}}}\,mol\,{{L}^{-1}}}{\text{5s}}$ $=\text{4}\times \text{1}{{\text{0}}^{\text{ - 3}}}\,\text{mol}\,{{\text{L}}^{\text{ - 1}}}\,{{\text{s}}^{\text{ - 1}}}\,\Rightarrow $
પ્રક્રિયાનો દર $=\frac{1}{4}\times \text{4}\times \text{1}{{\text{0}}^{\text{ - 3}}}$ $=\text{1}{{\text{0}}^{\text{ - 3}}}\,\text{mol}\,{{\text{L}}^{\text{ - 1}}}\,{{\text{s}}^{\text{ - 1}}}$
આપેલ : $\log 2=0.3010,\log 3=0.4771,\log 5=0.6989$