Better yield of crystal can be obtained if the alum solution is placed into refrigerator for a few days. Explain why. Solubility of alum, KAl(SO4)2•12 H2O in an aqueous solution at 0 degree Cecius is 114 g/L. In this experiment, calculate the weight of alum remain in the solution after crystallization completed. (Volume = 40 mL) p.s. please answer both questions

Fundamentals Of Analytical Chemistry
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Chapter16: Applications Of Neutralization Titrations
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  1. Better yield of crystal can be obtained if the alum solution is placed into refrigerator for a few days. Explain why.
  2. Solubility of alum, KAl(SO4)2•12 H2O in an aqueous solution at 0 degree Cecius is 114 g/L. In this experiment, calculate the weight of alum remain in the solution after crystallization completed. (Volume = 40 mL)

    p.s. please answer both questions

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