C3.2.2 - Solutions Flashcards Preview

SHHS - Science - C2.2 - Separation Techniques - Year 8 > C3.2.2 - Solutions > Flashcards

Flashcards in C3.2.2 - Solutions Deck (10)
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1

What is a solute?

A solid or gas that is dissolved into a liquid (solvent)

2

What is a solvent?

A liquid that a solid or gas (solute) is dissolved into.

3

What is a solution?

A solvent (liquid) that has a solute (solid or gas) dissolved into it.

4

How can we tell if a solute is still in a solution?

  • Taste the solution (not in a lab!) 
  • See if the solution changes colour 
  • Weigh the solute and solvent before and after they have been mixed - they should weigh the same.

5

Is a solution a mixture or a compound?

Mixture

6

The diagram shows a solute (solid or gas) and solvent (liquid). What would the solution look like?

7

Is water the only solvent?

No other liquids can be solvents too e.g. nail varnish.

8

Can gases act as a solute and dissolve into a solvent?

Yes e.g. carbon dioxide gas dissolving into drinks to make htem fizzy

9

Laura has 3 beakers. Each contains 200cmof a colourless liquid. 2 of these liquids are solutions. How could she find out which ones are solutions?

Heat the 3 beakers and evapourate the water. The 2 solutions will leave a dry solute behind.

10

Sarah dissolves 3g of copper sulfate into 100 g of water. What will the mass of the solution be?

103 g