2.4 pH and Buffers Flashcards
1
Q
a substance that donates hydrogen ions and therefore lowers pH
A
acid
2
Q
a substance that absorbs hydrogen ions and therefore raises pH
A
base
3
Q
a solution that resists a change in pH by absorbing or releasing hydrogen or hydroxide
ions
A
buffer
4
Q
filter paper that has been treated with a natural water-soluble dye so it can be used
as a pH indicator
A
litmus paper
5
Q
a scale ranging from 0 to 14 that measures the approximate concentration of hydrogen
ions of a substance
A
pH scale
