. Consider the gas-phase equilibrium A ? B. In a series of experiments, differen

Question

. Consider the gas-phase equilibrium A ? B. In a series of experiments, different initial amounts of A and B are mixed together, and the mixture in each case allowed to come to equilibrium. Which one of these experiments would yield values for the amounts of A and B present at equilibrium different from all the other experiments?

        a. 3.0 moles A, 4.5 moles B

        b. 4.5 moles A, 3.0 moles B

        c. 1.5 moles A, 4.5 moles B

        d. 7.5 moles A, no B

        e. 0.5 moles A, 7.0 moles B

(please give an explanation)

Explanation / Answer

c. 1.5 moles A, 4.5 moles B

because all other options has equal no. of moles
i.e. 3+4.5 = 7.5 moles

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