Question

Calculate the percentage of carbon in C2H6 c= 12 h=1 amu

Answer 1

Answer:

Molar mass of C2H6 = 30.06904 g/mol

This compound is also known as Ethane.

Convert grams C2H6 to moles or moles C2H6 to grams

Molecular weight calculation:

12.0107*2 + 1.00794*6

Percent composition by element

Element Symbol Atomic Mass # of Atoms Mass Percent

Hydrogen H 1.00794 6 20.113%

Carbon C 12.0107 2

Answer 2

The calculate the percentage of carbon value in 78 amu

Explanation:

$carbon in C_{2} H_{6}$

$C-carban$

$H-hydrogen$

$C=12 H=1 amu$

$(6*12)+(6*1)$

$=72+6$

$=78$