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Solubility

Some substances dissolve completely in another substance.

Spoon Sugar Solution with Glass Salt or sugar dissolves in water to make a solution. This means sugar and salt are soluble in water. Some substances are not soluble in water. For example if you put some sand in water, it would not dissolve. Sand is insoluble in water, so you cannot make a solution with sand and water.

What is happening to the molecules in a mixture that is a solution? The solute is broken down by the solvent into pieces the size of molecules. That is why liquid solutions are clear. The particles of the solute are so small that you can’t see them, and all you can see is the solvent. When you make a solution by dissolving salt in water, the water breaks the salt down into pieces the size of molecules.

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Sugar and water. Water is the _____.
Solvent
Solute

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Carbonated beverage. Carbon Dioxide is the _____.
Solvent
Solute

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Salt water. Salt is the _____.
Solvent
Solute

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Carbonated beverage. Water is the _____.
Solvent
Solute

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Sugar and water. Sugar is the _____.
Solvent
Solute

Drag and drop the subject to fill in the blanks for these solutions.

Salt water. Water is the _____.
Solvent
Solute

Summary

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