Ch 7.1-.3 Quiz 8EP

Terms in this set (46)

Examples of Solutions

Coke, Sea water, Bronze, and Steel

Parts of Solutions

Solute and Solvent

solids dissolved into solids Sterling silver

Sterling silver, Bronze, and Steel

Colloid Examples

Jello, paint, whole milk, fog, smoke

Suspension Examples

River water, muddy lake water, ketchup, mustard

Calculating Concentration

Is the amount of a substance that is present in a given space; the amount of solute per solution

Formula for Concentration

mass (g) / volume (mL)

Unit for Concentration

g/mL or g/100 mL

Percent Concentration

Drops of solute per total drops in solution

Percent Concentration Formula

drops of solute / total drops of solution x 100

Factors Affecting Solubility

Pressure, Type of solvent, and Temperature

Acid Properties

Properties:
Sour taste
Reacts with metals (corrosive)
Reacts with carbonates
Turns blue litmus paper red (indicator)

Contain H+1 ions

H2SO4, HCl, H2C2O4

Contain OH-1 ions

Base Properties

Properties:
Bitter taste
Feels slippery
Turns red litmus paper blue (indicator)

Cleaners in the home
Some foods we eat
Used by industry

Cleaners in the home
Used for baking
Used by industry

Becomes blue in an acid
Stays red in a base

Becomes red with an acid
Becomes blue with a base

Becomes pink in a base
Stays colorless in an acid

Strength of Acids and Bases

pH scale is use to measure the strength
A high pH tells you that the concentration of hydrogen ions is low. Range 8-14

tells you that the concentration of hydrogen ions is high. Range 1-6

tells you that the concentration of hydrogen ions is low. Range 8-14

a well-mixed mixture containing a solvent and at least one solute that has the same properties throughout

the part of a solution that is present in the largest amount and dissolves a solute

the part of a solution present in a lesser amount and dissolved by the solvent

a mixture containing small undissolved particles that do not settle out and particles are too big to be considered a true solution

A mixture in which particles can be seen and easily separated by settling or filtration and particles eventually separate and settle out

Dilute Solution

a mixture that has only a little solute dissolved in it

Concentrated Solution

a mixture that has a lot of solute dissolved in it.

A measure of how much solute can dissolve in a solvent at a given temperature

Saturated Solution

a mixture that contains as much dissolved solute as is possible at a given temperature

Unsaturated Solution

a mixture that contains less dissolved solute than is possible at a given temperature

Supersaturated Solution

A mixture that has more dissolved solute than is predicted by its solubility at a given temperature.

A substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red

The way in which acids react with some metals so as to eat away the metal

a compound that changes color in the presence of an acid or a 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 made of oxygen and hydrogen (OH-)

a range of values used to express the concentration of hydrogen ions in a solution

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