L40- Buffers 1 Flashcards
1
Q
What is an electrolyte?
A
solution that can conduct electricity due to the presence ions formed during dissolution.
2
Q
Strong acids have ….. conjugated bases?
A
weak
3
Q
What is a Bronsted-Lowry acid?
A
an acid that donates protons.
4
Q
What is a Bronsted-Lowry base?
A
a substance that accepts protons.
5
Q
What is a Lewis acid?
A
a molecule or ion that accepts an electron pair to form a covalent bond.
6
Q
What is a Lewis base?
A
a molecule or ion that donates an electron pair to from a covalent bond.
7
Q
Name a strong and weak acid?
A
HCL and acetic acid
8
Q
Name a strong and weak base?
A
NaOH and ammonia
9
Q
Kw=
A
[H+][OH-]
10
Q
Lower pKa means
A
stronger acid or base
11
Q
What does ampholytic mean?
A
acting as an acid and base
12
Q
Buffers solutions what stays constant?
A
Ka
