What is the percentage of sulphur in sulphur (IV) oxide?

 What is the percentage of sulphur in sulphur (IV) oxide?

A. 66%

B. 25%

C. 40%

D. 50%

Sulphur (IV) oxide is SO₂.

Molar masses:

• Sulphur (S) = 32

• Oxygen (O₂) = 16 × 2 = 32

Total molar mass of SO₂ = 32 + 32 = 64

Percentage of sulphur:
32/64* 100 = 50%
Correct answer: D. 50%

PQN: 2