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Ch 11

Mixtures, compounds, pH

QuestionAnswer
Solution Mixture containing a solvent and at least one solute and has the same properties throughout.
homogeneous Mixture where particles are the same size and often cannot be seen.
Solvent The part of the solution usually present in the largest amount. It dissolves the other substances.
Solute The substance that is dissolved by the solvent. Can be gases, liquids or solids.
Colloid Mixture containing small, undissolved particles that do not settle out. Particles can be seen with a microscope.
Suspension Mixture in which particles can be seen and easily separated by settling or filtration.
Dilute Solution A mixture that has only a little solute dissolved in a certain amount of solvent.
Concentrated Solution A mixture that has a lot of solute dissolved in the solvent.
Solubility A measure of how much solute can be dissolved in a solvent at a given temperature.
Saturated Solution When you’ve added so much solute to a solvent that no more dissolves.
Acid Compounds with specific characteristics. Reacts with metals and carbonates, tastes sour, and turns blue litmus paper red.
Corrosive The way in which some acids react with some metals as to wear away the metal.
Indicator A compound that changes color when it comes in contact with an acid or a base.
Base A substance that tastes bitter, feels slippery, and turns red litmus paper blue.
Hydrogen Ion (H⁺) A positively charged ion (H⁺) formed of a hydrogen atom that has lost its electron.
Hydroxide Ion (OH⁻) A negatively charged ion mad of oxygen and hydrogen (OH⁻)
pH Scale A scale used to determine the strength of an acid or a base. It ranges from 0 to 14 and expressed the concentration of hydrogen ions in a solution.
Neutralization A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were.
Salt An ionic compound made from the neutralization of an acid with a base.
heterogeneous mixture where particles have various sizes that can often be seen
Created by: superstephens