Answer to Question #205746 in General Chemistry for Jerry

Question #205746

Consider Teflon, the polymer made from tetrafluoroethylene. 

a) Draw a portion of the Teflon molecule.

b) Calculate the molar mass of a Teflon molecule that contains 5.0 x 104 CF2 units. 

c) What are the mass percents of C and F in Teflon?


1
Expert's answer
2021-06-11T01:59:19-0400

Teflon:

)



a)portion of long chain is:




b)

molar mass of one CF2 unit is 50 gm

then,

mass of  5.0 x 104 CF2 units will be

=(5.0 x 104 )x(50)

=25 x 105 g


c)

mass % of C is

= %


mass % of F is:

= %



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