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How is the saturated solution of magnesium nitrate prepared?


1. To understand the solubility of magnesium nitrate under the condition of preparation method: take 100 grams of water, add and magnesium nitrate solubility mass equal to the mass of magnesium nitrate dissolved.

2. Preparation method without understanding the solubility of magnesium nitrate: at a certain temperature, add magnesium nitrate into a certain quality of pure water, after stirring and dissolving, continue to add magnesium nitrate, repeated stirring and dissolving steps, until the solution can not dissolve magnesium nitrate. A saturated solution of magnesium nitrate is obtained by filtration of the supernatant.