Initally, only H2S is present at a pressure of 0.224 bar in a closed container. What is the total pressure in the container at equilibrium?

H2S(g)<--->H2(g)+S(g)
Initally, only H2S is present at a pressure of 0.224 bar in a closed container. What is the total pressure in the container at equilibrium?
I got .428 Bar but got marked wrong. IDK what I am doing wrong.

1 answer

the total pressure will be the sum of the partial pressure of all the gases at equilibrium.