What is the percent composition of carbon in heptane C7H16?
Understand the Problem
The question is asking for the percent composition of carbon in heptane, which is a chemical compound with the formula C7H16. To find this, we will calculate the molar mass of heptane and determine what fraction of that mass is due to carbon.
Answer
83.9-84%
The percent composition of carbon in heptane is approximately 83.9-84%.
Answer for screen readers
The percent composition of carbon in heptane is approximately 83.9-84%.
More Information
The percent composition of carbon in heptane shows that despite the molecule having more hydrogen atoms, carbon contributes significantly more to the overall mass of the molecule.
Tips
A common mistake is miscalculating the molar mass or neglecting to multiply by 100 to get the percentage.
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