$H_2{O}_2$ decomposes as follows: $2H_2{O}_2(aq)2H_{2}O(l)+O_2(g).$

The concentration of $H_2{O}_2$ at various times are given in the table.

What is the rate of production of oxygen in this time period?

$0\mathrm{.}23{10}^{-4}mo\frac{l}{L}\frac{?}{s}$

$176mo\frac{l}{L}\frac{?}{s}$

$0\mathrm{.}47{10}^{-3}mo\frac{l}{L}\frac{?}{s}$

$1\mathrm{.}2{10}^{-5}mo\frac{l}{L}\frac{?}{s}$