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3. The static method was used to determine the water activity of oats. Six desiccators contained saturated solutions of LiCl,MgCl2,Mg(NO3)2,NaCl,KCl, and KNO3, respectively. Their relative

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3. The static method was used to determine the water activity of oats. Six desiccators contained saturated solutions of LiCl,MgCl2,Mg(NO3)2,NaCl,KCl, and KNO3, respectively. Their relative humidity (RH) is listed in the table below. Take 6 weighing dishes, and load 20.00g oats in each weighing dish. Place one dish with the oats into a desiccator. Close the desiccators and leave them for 24h to reach equilibrium. Record the weights of the oats after reaching the equilibrium. The results are given in the table below. Determine the water activity of the oats. (10 points)

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