• Congratulations to the Class of 2024 on your results!
    Let us know how you went here
    Got a question about your uni preferences? Ask us here

A troublesome question. (1 Viewer)

Carl5

Member
Joined
Nov 7, 2009
Messages
153
Gender
Male
HSC
2011
Soo, my chemistry teacher couldn't even help me with this...

One of the reactions used to form sulfuric acid is the reaction of oxygen with sulfur dioxide under equilibrium conditions to form sulfur trioxide.

Before the reaction, the concentration of sulfur dioxide was 0.006 molL-1 and the concentration of oxygen was 0.05 molL-1. After the equilibrium was reached, the concentration of sulfur trioxide was 0.04 molL-1

Calculate the equilibrium constant , K, for the reaction. Show relevant working.

The back of the book says the answer is...

K = [0.04]^2 / [0.02]^2 x [0.03]
= 133

But I get...

K = [0.04]^2 / [0.06]^2 x [0.05]

I'm not sure how to get the correct answer. Would anyone mind walking me through the process?
 

Carl5

Member
Joined
Nov 7, 2009
Messages
153
Gender
Male
HSC
2011
Alright, found some more questions like this and figured it out. No help required now!
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top