Answer: C5H14N2
Explanation:
The element mass are:
C = 58.77 g
H = 13.81 g
N = 27.42 g
To get their moles, we have to divide by the molar mass which will be:
C: 58.77 / 12.01 = 4.8934
H: 13.81 / 1.008 = 13.7004
N: 27.42 / 14.01 = 1.9572
We then divide by the smallest mole which will be:
C: 4.8934 / 1.9572 = 2.5
H: 13.7004 / 1.9572 = 7
N: 1.9572 / 1.9572 = 1
We then multiply by 2 so that we can get whole number ratio:
C: 2.5 × 2 = 5
H: 7 × 2 = 14
N: 1 × 2 = 2
Therefore, the empirical formula will be = C5H14N2
