4.17 Phosgene is a highly toxic gas that has been used as a chem- ical weapon at times in the past. It is now used in the manu- facture of polycarbonates, which are used to make phone cases and...

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Extracted text: 4.17 Phosgene is a highly toxic gas that has been used as a chem- ical weapon at times in the past. It is now used in the manu- facture of polycarbonates, which are used to make phone cases and plastic eyeglass lenses. Phosgene is produced by the reaction, CO + Cl, → COCI,. Given an excess of car- bon monoxide, what mass of chlorine gas must be reacted to form 4.5 g of phosgene?