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Two solids $$AB$$ and $$CB_2$$ are simultaneously heated in a closed vessel to attain equilibrium
$$AB (s) \rightleftharpoons A(g) + B(g)$$ ...(1)
$$CB_2(s) \rightleftharpoons C(s) + 2B(g)$$ ...(2)
$$K_P$$ for (1) and (2) reaction are $$4.8 \times 10^{-6}$$ and $$5.76 \times 10^{-6}$$. If partial pressure of A at equilibrium is $$2\times 10^{-x}$$, find $$x$$,

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