pleaseee bantuinn gue :))

[tex]\displaystyle KESETIMBANGAN \ [XI] \\ \\ \[[PCl_5] = \frac{0,8}{2} = 0,4 \ M \\ \[[PCl_3] = \frac{0,6}{2} = 0,3 \ M \\ \[[Cl_2] = \frac{0,6}{2} = 0,3 \ M \\ \\ Kc = \frac{[0,3][0,3]}{[0,4]} \ (A) \ \xrightarrow \ Jawab \\ [/tex]