Need help with this please

1) 1, 1

3)1, 1

4) 1, 2

5) 2, 1

6) 1, 5

7) 2, 5

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24

yes

ya te ayud espera