VOCABULARY
SOLUBILITY
SOLUTIONS
ACIDS & BASES
pH
100

a homogeneous mixture made up of a solvent and solute that are evenly mixed together.

A Solution

100

What is solubility?

maximum amount of solute that can dissolve in a given amount of solute at a given temperature and pressure.

100
Name the two parts of a solution.
Solvent and Solute
100

Which type of solution produces hydronium ions (H3O+) when dissolved in water?

Acidic solutions
100

What is the pH scale measuring?

amount of hydrogen ions in solution
200
What vocabulary word describes the substance that exists in the greatest quantity in a solution?
Solvent
200

A solution that contains the maximum amount of solute the solution can hold at a given temperature and pressure.

A Saturated Solution

200

Give an example of a solution.

Salt water, Sugar water, Milk, Air

200

Which type of solution produces hydroxide ions (OH-) when dissolved in water?

Basic Solutions
200

Name the pH range for each type of solution:

- Acids (A)

- Bases (B)

- Neutral (N)

A: pH 0-6

B: pH 8-14

N: pH 7

300

a molecule that has a slightly positive (+) and slightly negative (-) end, like water?

Polar molecule

300

a solution that can still dissolve more solute at a given temperature and pressure?

An Unsaturated Solution

300
What is a solution's concentration?
The amount of solute dissolved in a given amount of solution.
300

Provide 3 properties of acids

Sour taste, sting, produce H+ ions, proton donor, litmus turns red, react with metals

300

Put the following substances in order from most basic to least basic:

Vinegar pH 3.5

Ammonia pH 12

Milk pH 6

Soap pH 9

Water pH 7

Ammonia (12), Soap (9), Water (7), Milk (6), Vinegar (3.5)

400
Which vocabulary word describes a positively charged ion that is formed when an acid dissolves in water?

Hydronium Ion (H3O+)

400

Name the 2 factors that can affect how much solute is dissolved in a solution.

Temperature and Pressure

400
How do you calculate the concentration of a solution?

Concentration = Mass / Volume

400

Name the components of an acidic buffer

weak acid and conjugate base

400

What do we call a compound that changes color at different pH values when it reacts with acidic or basic solutions?

An indicator

500

added to a solution with the intent of maintaining original pH of solution.

Buffer
500

Name the 3 ways to help a solute dissolve faster in a solution.

Stirring the solution

Increase surface area (crushing solute)

Increasing the temperature

500

A cell is exposed to 0.5% NaCl solution. What happens to cell over time?

Cell is placed in hypotonic solution...Water enters the cell over time.

500

Give 3 examples of substances that are bases.

Ammonia, Drain Cleaner, Toothpaste, Baking Soda, Soap

500

Give 2 examples of acidic body fluids or body regions.

  • Gastric juice: 1.5 to 3.5 (highly acidic to break down food and kill bacteria)
  • Vaginal fluid: 3.8 to 4.5 (acidic to help prevent harmful bacterial growth)
  • skin: 4 to 5.5 (chemical barrier)
  • Urine: 4.5 to 8.0 (varies widely based on diet, hydration, and time of day)
  • Sweat: 4.5 to 7.0 (slightly acidic)
  • saliva: 6.2 to 7.6 (slightly acidic to neutral)
  • Tears: 6.5 to 7.0 (nearly neutral)
M
e
n
u