Calculate the pH to the nearest 0.01 unit of a 0.015
M
solution of NH
3
. The K
b
for NH
3
is
1.8 x 10
-5
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 10.71
Calculate the pH to the nearest 0.01 unit of a 0.025
M
solution of CH
3
NH
2
. The K
b
for CH
3
NH
2
is 2.29 x 10
-11
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 7.88
Calculate the pH to the nearest 0.01 unit of a 0.050
M
solution of (CH
3
)
3
N. The K
b
for (CH
3
)
3
N is
1.59 x 10
-10
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 8.45
Calculate the pH to the nearest 0.01 unit of a 0.35
M
solution of HONH
2
. The K
b
for HONH
2
is
3.2 x 10
-7
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 10.53
Calculate the pH to the nearest 0.01 unit of a 0.0025
M
solution of C
6
H
5
NH
2
. The K
b
for
C
6
H
5
NH
2
is 6.46 x 10
-6
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 10.10
Calculate the pH to the nearest 0.01 unit of a 0.075
M
solution of (CH
3
)
2
NH. The K
b
for
(CH
3
)
2
NH is 2.0 x 10
-11
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 8.09
Calculate the pH to the nearest 0.01 unit of a 0.0085
M
solution of NH
3
. The K
b
for NH
3
is
1.8 x 10
-5
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 10.59
Calculate the pH to the nearest 0.01 unit of a 0.15
M
solution of C
5
H
4
N. The K
b
for C
5
H
4
N is
7.59 x 10
-12
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 8.03
Calculate the pH to the nearest 0.01 unit of a 0.0085
M
solution of C
6
H
6
NH
2
. The K
b
for
C
6
H
6
NH
2
is 6.46 x 10
-6
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 10.37
Calculate the pH to the nearest 0.01 unit of a 0.090
M
solution of HONH
2
. The K
b
for HONH
2
is
3.2 x 10
-7
. Write the Brønsted-Lowery reaction and the equilibrium expression.
ANS = 10.23