Question: 2. A white crystalline solid is known to be ONE of the following: Ba(NO3)2, or KNO3, or AgNO3, or Mg(NO3)2. It dissolves in water. A

2. A white crystalline solid is known to be ONE of the following: Ba(NO3)2, or KNO3, or AgNO3, or Mg(NO3)2. It dissolves in water. A portion of the aqueous solution is added to Na2SO4 (aq), and a white precipitate is formed. Another portion is added to NaCl (aq), and no reaction is observed. Based on the solubility rules, which of the four compounds is it? The crystalline solid is: Briefly explain your

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