The amount of in a gaseous mixture of and CO is determined by passing the mixture…

CHEMISTRY · Subjective · A Level · Chemistry · Gaseous equilibria (Kp) · Gaseous equilibria (Kp)

Problem

The amount of

\text{CO}_2

in a gaseous mixture of

\text{CO}_2

and CO is determined by passing the mixture into an aqueous solution that contains excess of

\text{Ba}(\text{OH})_2

. The

\text{CO}_2

reacts yielding a precipitate of

\text{BaCO}_3

but CO does not react. This method is used to analyse the equilibrium composition of gas when 1.77 g

\text{CO}_2

reacted with 2.0 g graphite in a 1.0 litre container at 1100 K. The analysis yielded 3.41 g of

\text{BaCO}_3

. Use this data to calculate

K_P

at 1100 K for the reaction.

\text{CO}_2(g) + \text{C}(s) \rightleftharpoons 2\text{CO}