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.)

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 1 mol CH4N2S ×76.132 g CH4N2S1 mol CH4N2S =  76.132 g CH4N2S


1 mol CH4N2S ×1 mol C1 mol CH4N2S×12.01 g C1 mol C =  12.01 g C

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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.)


NH2 bonded to C which is bonded to S and another NH2


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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.

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Based on our data, we think this problem is relevant for Professor Wiginton's class at OLE MISS.