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Chemical dechlorination is a method for destroying PCB waste. How many kilograms of potassium ethoxide (KOEt, or KOC2H5) is needed to react with 500 kg of 2,3',4',5'-tetrachlorobiphenyl?

Discuss the importance of economics as it relates to pollution prevention. Supple at least two seperate examples to augment your discussion.

 

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