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    i dont understand this past paper question:

    What is the emprical formula for polypropene?
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    (Original post by Dust)
    i dont understand this past paper question:

    What is the emprical formula for polypropene?
    -[-C-CH(CH3)-]n-

    The n depending on the number of propene molecules added together.
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    -- nm--
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    ok...

    so would the emprical formulae for pTFE be:

    -[C2F4]-n ?
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    (Original post by Dust)
    ok...

    so would the emprical formulae for pTFE be:

    -[C2F4]-n ?
    seems right.
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    okay thanx

    its just like riting the formula.. and not drawing it..
    cheers
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    The empirical formula gives the basic stoichiometric ratio of the molecules in a compund. Therefore, 'n' is not needed.
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    hmmm so [CH2CH(CH3)] for polypropene
    and [C2F4] for PTFE?
 
 
 

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