Solutions. Aim:To investigate solubility of some compounds. Method: Water + copper(II) carbonate Water + copper(II) chloride Water + potassium chloride.

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Presentation transcript:

Solutions

Aim:To investigate solubility of some compounds. Method: Water + copper(II) carbonate Water + copper(II) chloride Water + potassium chloride Water + magnesium carbonate

Results: Name of compound Dissolved in water Soluble or insoluble? Copper(II) carbonate Copper(II) chloride Potassium chloride Magnesium carbonate

Conclusion : Some solids are soluble some are not.

Solutions Solutions are formed when a solid (solute) dissolves in a liquid (solvent). A solute is the substance that dissolves. A solvent is the substance that does the dissolving. A solution is the resulting mixture when a solute dissolves in a solvent. If a solute dissolves in a solvent we say it is soluble. If a solute doesn’t dissolve in a solvent we say it is insoluble.

e.g. Sugar added to a cup of hot water. The solute is sugar. The solvent is the hot water The solution is the dissolved sugar in the water. It does dissolve so we say it is soluble.

Solution Example For the following state the solute and the solvent a)Diluting juice in water b)Jelly cubes in boiling water c)Sugar in tea d)Teabags in boiling water

Concentrated or Dilute A concentrated solution is when a lot of solute has been dissolved in a small volume of solvent. A dilute solution is when a small quantity of solute has been dissolved in a large volume of solvent.