Question

A compound of sulfur and oxygen is 50.0% sulfur, 50.0% oxygen by weight. Sulfur and oxygen form another compound, in accordance with the law of multiple proportions. Which of the following is a likely composition for the second compound?

A) 85.0 mass % sulfur 15.0 mass % oxygen.
B) 65.0 mass % sulfur 35.0 mass % oxygen.
C) 55.0 mass % sulfur 45.0 mass % oxygen.
D) 45.0 mass % sulfur 55.0 mass % oxygen.E) 40.0 mass % sulfur 60.0 mass % oxygen.

Answer 1

.E) 40.0 mass % sulfur 60.0 mass % oxygen

Step-by-step explanation:

Atomic mass of oxygen = 16

Atomic mass of sulfur = 32

So SO₂ is a compound in which there is 50 - 50 contribution of sulfur and oxygen .

weight of sulfur = 32

weight of oxygen = 16 x 2 = 32

In SO₃

S = 32

O = 16 X 3 = 48

RATIO

32 AND 48

40 and 60

40% S and 60% O