Problem: Calculate the percentage of carbon by mass in each of the compounds represented by the following models. (Carbon atoms are black spheres, hydrogen are grey, oxygen are red.)

🤓 Based on our data, we think this question is relevant for Professor Ingram's class at UWATERLOO.

FREE Expert Solution

Mass percent:


%mass C=mass C in cpdmolar mass cpd×100


Compound is: CH3—H3C or C2H6

  • Molar mass C2H6 = 30.07 g/mol
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Problem Details

Calculate the percentage of carbon by mass in each of the compounds represented by the following models. (Carbon atoms are black spheres, hydrogen are grey, oxygen are red.)


CH3 single bonded to CH3


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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Ingram's class at UWATERLOO.