Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
Indicator X has
p
K
a
=
6.4
pK_a = 6.4
p
K
a
=
6.4
. The protonated form of the indicator is orange, and the deprotonated form is purple. What is the approximate ratio
[
acid form
]
:
[
base form
]
[\text{acid form}]:[\text{base form}]
[
acid form
]
:
[
base form
]
at
p
H
=
5.4
pH = 5.4
p
H
=
5.4
? a)
1
:
10
1:10
1
:
10
b)
100
:
1
100:1
100
:
1
c)
10
:
1
10:1
10
:
1
d)
1
:
1
1:1
1
:
1
Browse the problem library