The gas phase decomposition of dimethyl ether at $500C$

$C{H}_{3}OC{H}_3(g)longrightarrowC{H}_4(g)+H_2(g)+CO(g)$

is first order in $C{H}_{3}OC{H}_3$ with a rate constant of $0\mathrm{.}000400s^{-1}.$

If the initial concentration of $C{H}_{3}OC{H}_3$ is $0\mathrm{.}0927M,$ the

concentration of $C{H}_{3}OC{H}_3$ will be

$M$ after $5731\mathrm{.}0s$

have passed.

$8$ more group attempts remaining