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    M and N are formulae for two macromolecules

    C55H98O6 (M)
    C18H30O16 (N)

    Which of the formulae M or N correspond to a triglyceride and why?
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    (Original post by Carmelita2800)
    M and N are formulae for two macromolecules

    C55H98O6 (M)
    C18H30O16 (N)

    Which of the formulae M or N correspond to a triglyceride and why?
    Well, a triglyceride is made of glycerol and 3 fatty acids to form a tri-ester, so you have the glycerol molecule bonding with 3 fatty acids forming 3 esters bonds. An ester bond is RCOOR', and as you form 3 of these ester bonds, your molecule will have 6 oxygens over all, so M is the answer. N has far too many oxygens to be a triglyceride.
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