Solutions

Question 1

What is a solution?

Answer 1

A solution is a liquid mixture in which a minor component (the solute) is uniformly distributed within the major component (the solvent)

A solution is a mixture formed when a solute dissolves into a solvent.

Question 2

What is a solvent?

Answer 2

The solvent is usually a liquid.

Question 3

What is a solute?

Answer 3

A Solute is usually a solid or liquid that dissolves into a solvent to form a solution.

Question 4

What happens when a substance dissolves?

Answer 4

When a substance dissolves, solvent particles surround the solute particles. THe particles move and are arranged randomly as a result.

Question 5

How do you weigh a solution?

Answer 5

Mass of solvent + mass of solute = mass of solution

Question 6

What is solubility?

Answer 6

Solubility is the maximum mass of a solute that dissolves in 100g of water. Traditionally when the temperature of a solvent increase the solubility increases.

Solubility is a property of substances

Question 7

Soluble vs insoluble

Answer 7

Substances that will dissolve in a solvent are called soluble however those that will not are called insoluble

Examples of soluble substances are:
Salt
Sugar
Powdered food colouring
Coffee
Cocoa powder
Candy Floss
Gelatin

however, things like sand, fats, wood, metal, plastic, lead chloride, glass and iron fillings are insoluble.