Acids, Bases and the pH Scale

Acids, Bases and the pH Scale

1) When an ionic compound, such as NaCl forms a solution with ________, the compounds break apart and form ions.

water

Acids, Bases and the pH Scale

2) Water sometimes breaks apart into ions as well, at a rate of 1 in 550 million molecules of water.

3) When solutions contain ______ amounts of OH- and H+, they are considered _________.

equalneutral

Acids, Bases and the pH Scale

4) When solutions contain more ______ than OH-, they are considered _________.

5) When solutions contain more ______ than H+, they are considered _________.

H+

acidicOH-

basic

Acidic Neutral Basic

That’s Basic-ally it!! (Ha Ha)

Acids, Bases and the pH Scale

5) We use a scale to represent the concentration of H+ ions in solution. We call this the _____________.

a) “p” stands for ____________.

b) “H” stands for ____________.

pH scale

hydrogen

potential

Acid Rain Effects

Acids, Bases and the pH Scale

6) _________ are weak ______ or ______ that react with strong acids and bases to prevent a change in pH.

7) Most cellular fluids must remain at _________ or chemical reactions will be affected.

Buffers acidsbases

6.5-7.5