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In the synthesis reaction: 2-napthol + NaOH + EtOH + 1-iodobutane --> 2-butoxynaphthalene what is NaOH...

In the synthesis reaction:

2-napthol + NaOH + EtOH + 1-iodobutane --> 2-butoxynaphthalene

what is NaOH used for? EtOH?

In the extraction of benzoic acid, what is CaCl2 used for? What is the NaHCO2 used for?

3 grams of mixture + 30 mL of ether + 30 mL of NaHCO3 + 5 g CaCl2 à benzoic acid

What would you wash something with to get rid of any amine impurity?

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