Ype the correct answer in the box.
1 answer:
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Answer:
Less than 0.033 M:
Explanation:
Hello,
In this case, the described equilibrium is:
Thus, the law of mass action is:
Nevertheless, given the initial concentration of Z that is 0.033 M, we should invert the equilibrium since the reaction will move leftwards:
Know, by introducing the change due to the reaction extent, we can write:
Which has the following solution:
But the correct solution is since the other solutions make the equilibrium concentration of Z negative which is not possible. In such a way, its concentration at equilibrium is:
Which is clearly less than 0.033 M since the addition of a product shift the reaction leftwards in order to reestablish equilibrium (Le Chatelier's principle).
Regards.