Engineering, 14.02.2020 21:42 adelarangelmartinez

Magnesium hydroxide is slightly soluble in water (Ksp = 1.8 x 10-11). NaOH is added to a solution of Mg(NO3)2 until a precipitate forms and persists. The solution is then heated and the precipitate dissolves. What can you conclude from these observations?

A. dissolution of Mg(NO3)2 is endothermic
B. dissolution of Mg(NO3)2 is exothermic
C. dissolution of Mg(OH)2 is endothermic
D. dissolution of Mg(OH)2 is exothermic

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Magnesium hydroxide is slightly soluble in water (Ksp = 1.8 x 10-11). NaOH is added to a solution of...

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