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(heat under) reflux
increase rate as can heat without loss of products/reactants as they condense back into the mixture
distillation
separation based on boiling point/purification technique
catalyst and dehydrating agent (favouring ester)
role of conc. H2SO4 when making an ester from RCOOH and R’OH
to remove (unreacted) acid(s)
add _ carbonate or _ hydrogen carbonate; release pressure
removes water/act as a drying agent
add anhydrous _ (solid), decant off liquid
separating funnel (organic and aqueous layers)
separate non-polar/polar liquids, organic/aqueous