If a chemist experimentally determined the percent carbon in C3H8 to be 79.43 %,

Chemistry
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If a chemist experimentally determined the percent carbon in C3H8 to be 79.43 %, what was his % error (to 0.01 %)? (Hint - you already know how to determine the theoretical % C in C3H8.)

Jan 13th, 2015

Molar mass of C3H8 is 44.0956 g/mol

%of carbon=36/44.0956*100%=81.641%

percentage error=81.641-79.43

=2.211%

percentage error=2.211%/79.43*100%

2.784%


Jan 13th, 2015

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