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8th Grade Solutions

What is a solution? When you have one substance dissolved into another.
Give several examples of solution. iced tea, coffee, tea, AIR
Are all solutions liquid? NO!
Define solute. The substance getting dissolved
Define solvent. The substance doing the dissolving.
Name 3 ways to make a solution dissolve faster. HEAT, CRUSH, AND STIR
What is the term that means how much solute will dissolve in a solvent at a given temperature? Solubility
What do we call a solution than can hold more solute? Unsaturated
What do we call a solution that is holding more solute than normal for that temperature? Supersaturated
What do we call a solution that is holding just the right amount of solute for that temperature? Saturated
Name the ion found in acids. Hydronium
Name the ion found in bases. Hydroxide
H+ is the symbol for what ion? Hydronium
OH- is the symbol for what ion? Hydroxide
__________ have a sour taste. Acids
_____________ have a bitter tatse. Bases
Vinegar, aspirin, and citrus fruits are all common ___________. Acids
Ammonia, Tums and drain cleaner are all common ___________. Bases
_______________ are solutions that conduct electricity. Electrolytes
What does pH stand for? Percent hydronium
A pH of 2 would indicate a _________ ____________. strong acid
A pH of 12 would indicate a ___________ ___________ . strong base
A pH of 7 would indicate _____________ ________________. pure water
A pH of 5 would indicate a ____________ _____________ weak acid
A pH of 8 would indicate a ______________ ____________________ weak base
What is phenolphthalein? An indicator that turns bright pink in the presence of a base.
Name the 3 indicators that we use to determine if a solution is an acid or a base. pH meter, phenolphthalein, and litmus paper
What do we call a solution that does not conduct electricity? Nonelectrolyte
The solute found in the greatest amount in ocean water is ______________. Salt
What does increasing the surface area of a solid do to the rate of solution? Speeds it up
Concentrated solutions are _____________. Strong
Dilute solutions are ______________. Weak
Why does increasing the surface area of the solute help it dissolve more quickly? It brings more SOLUTE IN CONTACT WITH SOLVENT!
Created by: cwalczak