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Sodium benzoate is highly soluble in water. Which of the following procedures could NOT be used...

Sodium benzoate is highly soluble in water. Which of the following procedures could NOT be used to isolate dissolved benzoate from an aqueous solution? Select the incorrect procedure.

a) Allow the water to slowly evaporate

b) Adjust the solution to pH 1 with aqueous HCl, extract the diethyl ether, and then remove the solvent via evaporation

c) Add aqueous NaOH to the solution

d) Adjust the solution to pH 1 with aqueous HCl

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