Which equilibrium expressions is correct for the following reaction:Solid phosphorous pentachloride decomposes to form liquid phosphorous trichloride andchlorine gasPC15(s) = PCI 3(1) + Cl2(g)1- K = [Cl₂]2- K= [CI] [PC13] / [PC15]3-K= [PC15]/[ PC13] [CI]4- K= [PC13]/[ PC15]OA K= [PC15] / [PC13] [CI]B. K= [PC13]/[ PC15]OC. K= [CI] [PC13] / [PC15]D.K = [Cl₂] Select the number of moles of NaCl present in 765 mL of a 0.0862 M NaCl solution:OA 0.113 molesB. 65.9 molesC. 0.0659 molesOD.8.87 moles

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Which equilibrium expressions is correct for the following reaction: Solid phosphorous pentachloride decomposes to form liquid phosphorous trichloride and chlorine gas 1- K = [Cl₂] 2- K= [CI] [PC13] / [PC15] 3- K= [PC15]/[ PC13] [CI] 4- K= [PC13]/[ PC15] OA K= [PC15]/[ PC13] [CI] B. K= [PC13]/[ PC15] OCK=[CI] [PC13] / [PC15] D. PC15(s) K = [Cl₂] PC|3(1) + Cl2(g)