Acid, Base and Buffer Flashcards
1
Q
what is an acid and what pH is considered an acid
A
higher concentration of hydrogen ions than hydroxide ions, pH < 7
2
Q
whats a base and what pH is considered a base
A
higher concentration of hydroxide ions than hydrogen ions,
pH > 7
3
Q
what is a pH scale “per hydrogen ion”
A
scale that measures how acidic or basic a solution is
4
Q
characteristics of an acid
A
sour, turns blue litmus paper red
5
Q
character. of a base
A
bitter, slippery, turns red litmus paper blue
6
Q
def. of a buffer
A
a substance that resists pH changes by absorbing or removing
7
Q
ex of buffer
A
Carbonic Acid H2CO3
Bicarbonate Ions HCO3-
8
Q
ex of buffer in the body
A
in blood w/ pH of 7.4
