Question

In an experiment, the initial concentration of NO2 was 0.00650 mol/L. What is the half-life?

Answer 1

half life t^1/2 = $\frac{[A_o]}{2k}$

[A_o] = initial concentration = 0.00650 mol/L

t^1/2 = $\frac{0.00650}{2k}$

t^1/2 = $\frac{0.00325}{k}$