Kp= Kc(RT)^∆n
Kc= Kp/(RT)^ ∆n
∆n = number of moles of product- number of moles of reactants
∆n = 2-3= -1
Kc= .0352/( .0821×298)^-1
Kc=.0321×.0821×298
Kc=.861
Answer A
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