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22 terms

Chapter 8 - Solutions, Acids, and Bases Quiz

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Acid
a compound that produces hydronium ions (H3O +)
Base
a compound that produces hydroxide ions (OH-)
Concentration
the amount of a solute dissolved in a specified amount of solution.
Indicator
any substance that changes color in the presence of an acid or base.
pH
measures how acidic or basic a solution is.. ranges from 0 - 14
neutralization
the reaction between an acid and a base.
saturated solution
contains as much solute as the solvent can hold at a given temperature.
Unsaturated Solution
solution that has less solute than the maximum that can be dissolved.
Supersaturated Solution
has more solute than it can normally hold at a given temperature.
Solute
substance that gets dissolved by the solvent
Solvent
the substance that takes in or dissolves the other substance
solubility
the maximum amount of a solute that dissolves in a given amount of solvent at a constant temperature.
Solution
usually described as something dissolved in something else.
same as a homogeneous mixture, 2 or more different substances evenly mixed together.
3 ways to dissolve substances in water
1. dissociation
2. dispersion
3. ionization
Dissociation
ionic compound separates into ions as it dissolves (more force to pull particles apart)
Dispersion
breaking into smaller pieces and spreading out
Ionization
lose or gain electrons (chemical change)
Molarity
the number of moles of a solute dissolved per liter of solution.
Properties of Acids
- sour taste
- gritty/ rough texture

Strong acid burns skin, makes holes in clothes
Weak acid is found in many foods, citrus fruits

- turns litmus paper red
Properties of Bases
- taste bitter
- slippery texture
- turns litmus paper blue

Weak base - not dangerous
Strong base - dangerous, breaks down grease
pH scale
measures how acidic or basic a solution is
0 = Strong Acid (0 - 6.9)
7 = Neutral
14 = Strong Base (7.1 - 14)

measure a pH by using an indicator
Universal Solvent
Water
- has a slight negative and positive charge