Answer:
CS₂
Explanation:
To find the empirical formula we need to determine first the percentage of each atom in the molecule. Then, we need to find the moles and, as empirical formula is the simplest whole-number ratio of atoms we can solve the empirical formula:
%C:
0.33gC / 2.12g * 100 = 15.6%
%S:
1.53g S / 1.82g * 100 = 84.1%
In a basis of 100, the moles of each atom are:
C:
15.6g C * (1mol / 12.01g) = 1.30 moles
S:
84.1g S * (1mol / 32.065g) = 2.62 moles
The ratio of Sulphur-Carbon is:
2.62mol / 1.30mol = 2
That means empirical formula is:
