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Carson Whitebread

on 19 November 2014

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Transcript of 7-1

7-1 & 7-2 Presentation
By- Carson Whitebread

A solution is a mixture that contains a solute and at least one solvent. A solvent is the part of the solution that is largest. The solute is the part of the solution that dissolves. An example is salt as the solute and the solvent is water. Solutions without water include things like gasoline that are a mixture of different liquids. Colloids are a type of mixture that have undissolved particles that don't settle. Suspensions are mixtures where particles can be easily separated by filtration.
7-1 Particles in a Solution/Effects of Solutes in Solvents
Particles in a solution are either ionic o molecular. Ionic is created by water particles surrounding each ion. Molecular are by solutes breaking into neutral molecules and bonding.
7-2 Solubility
Solubility is the measure of how much of how much solute could dissolve in a solvent at a certain temperature.
Unsaturated solutions can keep dissolving solutes. Saturated means it cant dissolve any more. Working with solubility you find temperature and mass for solids and pressure for gases. You can use solubility to find substances.
7-2 Concentrated Solution/Solubility
7-1 What is a Solution?
Solutes at lower freezing points make it harder to form crystals, also particles are present in ice. Solutes at higher boiling need more energy to escape, also it reduces overheating.
An example of a concentrated solutions is a large amount of salt in little water is a high concentration. A Dilute solution has a little amount of solute and a lot of solvent like a little salt in a lot of water.

7-2 Factors Affecting Solubility/Supersaturated Solution
Pressure is one factor that effects solubility. In gases by increasing the pressure of it you can increase the solubility. Solvents that are polar and non-polar do not mix together well like vinegar and oil. A temperature increase can increase solubility and vice versa. A supersaturated solution is a type of solution that has more solute that expected based on its temperature and solubility.
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