Sharon Choi

Chemistry

2 December, 17:40

The reaction between sulfur dioxide and oxygen is reversible.

2SO2 (g) + O2 (g) = 2SO3 (g)

Kc=280mol^-1 dm^3 at 1000K

In an equilibrium mixture at 1000K the sulfur trioxide concentration is 6.00 mol dm^-3.

What is the sulfur dioxide concentration?

A) 0.175 mol dm^-3

B) 0.254 mol dm^-3

C) 0.318 mol dm^-3

D) 0.636 mol dm^-3