Problem $2-16(2)$: If the answer in part $(1)$ were $0\mathrm{.}5m\frac{g}{L},$ what amount of chlorine in $kg$ will need to be added to make up the difference and raise the concentration back to $2m\frac{g}{L}$ in this $4000m^3$ tank$?$

Question $4$

$1$ pts

Problem $2-26(1)$: Convert the volume of the lagoon to $m^3.$