You are given solutions of Barium Nitrate and Sodium Sulfate. You want to make solid Barium Sulfate and isolate it from everything else in the reaction. Suggest a method for doing so.    You have the same situation as the part of question 2. However, suppose you wanted to isolate solid Sodium Nitrate. Suggest a method for doing so. (Yes, Sodium Nitrate is soluble. Think all the way back to separating salt from water at the beginning of the year.)

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