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At 80 ∘C, Kc=1.87×10^−3 for the reaction PH3BCl3(s)⇌PH3(g)+BCl3(g) A.) Calculate the equilibrium concentration of PH3 if...

At 80 ∘C, Kc=1.87×10^−3 for the reaction PH3BCl3(s)⇌PH3(g)+BCl3(g)

A.) Calculate the equilibrium concentration of PH3 if a solid sample of PH3BCl3 is placed in a closed vessel at 80 ∘C and decomposes until equilibrium is reached.

B.) Calculate the equilibrium concentration of BCl3 if a solid sample of PH3BCl3 is placed in a closed vessel at 80 ∘C and decomposes until equilibrium is reached.

C.) If the flask has a volume of 0.26 L , what is the minimum mass of PH3BCl3(s) that must be added to the flask to achieve equilibrium?

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