1. A solution is saturated in both nitrogen gas and potassium bromide at 75 0 C.

Question

1.       A solution is saturated in both nitrogen gas and potassium bromide at 750C. When the solution is cooled to room temperature, what is most likely to happen? Why? (5 pts)

a.       Some nitrogen gas bubbles out of solution.

b.      Some potassium bromide precipitates out of solution.

c.       Some nitrogen gas bubbles out of solution and some potassium bromide precipitates out of solution.

d.      Nothing happens.

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Explanation / Answer

a) Some Nitrogen gas bubbles out of solution ,

Nitrogen boiling point is -195C , so at 750C Nitrogen becomes gas and bubbles out.

Potassium bromide is solubel in water in solid form or liquid form

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