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1. Your observations should reveal a difference in at least one property between sodium benzoate and benzoic acid. What property was that, and what observation will reveal the difference?

4. When you lower the pH of a sol of sodium benzoate a ppt forms, a)What will happen if you raise the pH after the reaction by adding aqueous NaOH? Why?

5. Water solubilities of oxalic acid and sodium oxalate at RT are 10g/100 ml and 3.7 g/100 ml respectively. Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temperature, and filtering the resulting mixture? Explain Why or why not?

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