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Like Dissolves Like

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by

Lucy C

on 11 January 2013

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Transcript of Like Dissolves Like

Solution = Solute + Solvent Solubility is the ability of a solute to dissolve in a solvent. Salt will dissolve in water. Like Dissolves Like By: Lucy Corpeno But will oil dissolve in water? Oil and water must be different because oil doesn't dissolve in water. Salt and water must be similar because salt dissolves in water. Water is polar, but oil is non-polar.
They are not alike so they do not dissolve. Polar Non-polar Salt is an ionic compound. The ions become hydrated. This means it will break up into its ions Na+1 and Cl-1 This is called dissociation. The charged ions can interact with the polar water molecules. This is what "Like Dissolves Like" means. Oil is non-polar. Water is polar.
They are not alike.
Therefore, they will not mix. Polar will not mix with non-polar. Oil will dissolve in gasoline. Carbon tetrachloride has the formula CCl4. Is it polar or non-polar? CCl4 is non-polar because the dipoles cancel. It is a good solvent for non-polar compounds. Gasoline must be non-polar like oil. WHY? There are no polar bonds because all of the dipoles cancel. Dry cleaners use CCl4 to remove oil stains from clothes. Why? Like Dissolves Like 2 4 5 The oil dissolves in the CCl4
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