14. The following figure shows a molecule of lactic acid, the monomer of polylactic acid (PLA): O OH OH (i) Is polylacti
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14. The following figure shows a molecule of lactic acid, the monomer of polylactic acid (PLA): O OH OH (i) Is polylacti
14. The following figure shows a molecule of lactic acid, the monomer of polylactic acid (PLA): O OH OH (i) Is polylactic acid an addition or a condensation polymer? (ii) Unlike PET, PLA requires just one type of monomer to make the polymer. Explain. (iii) Draw the repeating unit of PLA. (iv) Polylactic acid is considered a green alternative to PLA. Why? (v) What are some of the disadvantages of PLA compared to PET?
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