1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Osmotic Pressure
What is the ...
Question
What is the
p
H
of
0.1
M
N
a
H
C
O
3
?
(Given
K
1
=
4.5
×
10
−
7
,
K
2
=
4.5
×
10
−
11
for carbonic acids.)
Open in App
Solution
Given
K
1
=
4.5
×
10
−
7
,
K
2
=
4.5
×
10
−
11
for carbonic acids.
As we know,
p
H
=
p
K
1
+
p
K
2
2
p
H
=
11
+
7
−
2
log
4.5
2
=
9
−
log
4.5
=
8.34
Hence, the
p
H
of
0.1
M
N
a
H
C
O
3
is
8..4
≈
8
.
Suggest Corrections
0
Similar questions
Q.
Calculate the
p
H
(nearest integer) of
0.010
M
N
a
H
C
O
3
solution.
K
1
=
4.5
×
10
−
7
and
K
2
=
4.7
×
10
−
11
for carbonic acid.
Q.
pH of 0.1 M
N
a
H
C
O
3
if
K
1
=
4.5
×
10
−
7
,
K
2
=
4.5
×
10
−
11
.
Q.
Carbonic acid,
H
2
C
O
3
, is a diprotic acid for which
K
1
=
10
−
7
and
K
2
=
10
−
11
. Which solution will produce a pH closet to
9
?
Q.
What is the
p
H
of
0.01
M
N
a
H
C
O
3
?
Given :
K
a
1
a
n
d
K
a
2
for
H
2
C
O
3
are
4.5
×
10
−
7
a
n
d
4.7
×
10
−
11
respectively at
25
o
C
.
Q.
Find the concentration of
H
+
,
H
C
O
−
3
and
C
O
2
−
3
in a
0.01
M
solution of carbonic acid if the pH of the solution is
4.18
,
K
1
=
4.45
×
10
−
7
,
K
2
=
4.69
×
10
−
11
.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Osmotic Pressure
CHEMISTRY
Watch in App
Explore more
Osmotic Pressure
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app