Why must the recrystallized solid be washed with cold solvent?
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→ While cooling, molecules of the same type align in a crystal lattice, forming crystals.
→ After cooling, crystals are collected by vacuum filtration and washed by rinsing with ice-cold solvent.
→ Single-solvent method: The chosen recrystallization solvent will dissolve the compound when hot, but not at room temperature.
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