For the decomposition of hydrogen peroxide In dilute sodlum hydroxide at $20C$

$2H_2{O}_2(aq)2H_{2}O(l)+O_2(g)$

the following data have been obtalned:

$\backslash$table$[[[H_2{O}_2],M,0\mathrm{.}0137,0\mathrm{.}00774,0\mathrm{.}00437,0\mathrm{.}00247],[$time$,$ min,$0,8\mathrm{.}65,17\mathrm{.}3,26\mathrm{.}0]]$

The average rate of disappearance of $H_2{O}_2$ over the time period from $t=0$min to $t=8\mathrm{.}65$min is $\frac{M}{m}in.$