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A polymerization of hexamethylene diamine (HMD) and adipic acid (AA) to produce Nylon 6,6,we start with 29 grams of HMD and 36.5 grams of AA. After running the reaction for some time, we collect the product and find a total of 3.1 x 10-3moles of COOH groups. What is the molecular weight of the material? Extent of reaction?

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