acids and bases Flashcards
1
Q
what is an acid?
A
a solution in which there is a greater concentration of H+ ions than hydroxide ions (pH scale less than 7)
1
Q
ionization of water?
A
H+ + OH-
2
Q
what’s a base?
A
a solution in which there is a greater concentration of hydroxide ions than H+ ions (pH scale greater than 7)
3
Q
what’s a pH scale?
A
the scale used to measure the relative concentrations of H+ and OH- ions.
4
Q
what does a change in pH mean?
A
a ten fold change (x10)
5
Q
H+
A
free hydrogen ions react with other water molecules to form H30+
6
Q
-OH
A
hydroxide ion
