Solutions.

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Presentation transcript:

Solutions

Do all things dissolve? Copper sulfate Copper oxide Sodium chloride Substances that are soluble  Substances that are insoluble x Copper sulfate Copper oxide Sodium chloride Calcium carbonate Sodium hydrogen carbonate (sodium bicarbonate)

What are solutions? Solutions are made when you dissolve something Where does the dissolved chemical (the solute) go?

Weigh your empty beaker Put in 100ml water and weigh it again Weigh the salt you have been given Dissolve the salt in the water Weigh the solution at the end. What can you tell? Where has the salt gone? Where has the salt gone? Is it still there or has it gone? Can you get the salt back out?

What is this?

What is this?

What is happening?

The solution Can you label the solvent and the solute?