$26.$ Calculate the amount of calcium hydroxide $($Ca$($OH$))$ required to react with $200$ g of chlorine gas to produce bleaching powder. $($Molecular weight of Ca$($OH$)=74\mathrm{.}09$ g$/$mol$,$ Cl$=70\mathrm{.}9$ g$/$mol$,$ Ca$($OCl$)=142\mathrm{.}98$ g$/$mol$)$