# what is the percent by mass of carbon in c10 h14 n2

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First find the molar mass of C10H14N2 by multiplying the number of atoms of each element times its molar mass (atomic weight on the Periodic Table). Then add the molar masses of each element. The sum is the molar mass of the compound.

C: 10 x 12.011g/mol = 120.11g/mol

H: 14 x 1.008g/mol = 14.11g/mol

N: 2 x 14.007g/mol = 28.014g/mol

———————————————–

Total = 162.23g/mol = molar mass of C10H14N2

Percent carbon by mass = mass of C/mass of C10H14N2 x 100 = (120.11g/mol)/(162.23g/mol) x 100 = 74.037% C by mass

## What Is The Percent By Mass Of Carbon In C10 H14 N2?

8.71%Use . 8.71%Oct 4, 2018

### What is the percent by mass of carbon in c10 h14?

 Element Symbol Mass percent Carbon C 89.4864 Hydrogen H 10.5136

#### How doyou find mass percent of carbon?, what is the percent by mass of carbon in c10 h14 n2

## Step 1: Find the mass of the individual atoms. Look up the atomic masses for carbon and oxygen from the Periodic Table.

For carbon:

1. mass % C = (mass of 1 mol of carbon/mass of 1 mol of CO2) x 100.
2. So mass % C = (12.01 g / 44.01 g) x 100.
3. mass % C = 27.29 %
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Finally,  What is the percentage by mass of sodium in na2so4?,

 Element Symbol Mass Percent Sodium Na 32.370% Oxygen O 45.055% Sulfur S 22.574%