Radioactive Decay And Acid Dissociation Constant Chap. 9 And 10 Worksheet With Answers - Middle Tennessee State University Page 3
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20- 14
- 14
1.0 x10
+
- 11
1.0 x10
- 15
b) [H
O
] =
= 1.9 x10
M
+
[H
O
] =
= 2.7 x10
M
3
- 4
3
5.2 x10
3.7
e)
- 14
1.0 x10
- 5
+
[H
O
] =
=1.0 x10
M
3
c)
- 10
9.9 x10
9.31 Classify the solutions represented in Exercises 9.27 and 9.29 as acidic, basic, or
neutral.
Solution
#9.27 a) neutral
b) acidic
c) basic
d) acidic
e) acidic
#9.29 a) neutral
b) basic
c) acidic
d) basic
e) basic
The pH Concept (Section 9.5)
9.33 Classify solutions with the following characteristics as acidic, basic, or neutral.
a) pH=10
b) pH=4
c) pH=7.3
d) pH=6
Solution
a) basic
b) acidic
c) basic
d) acidic
9.35 Determine the pH of water solutions with the following characteristics. Classify
each solution as acidic, basic, or neutral.
+
-5
-
-3
+
-
a) [H
] = 1.0 x10
M
b) [OH
] = 6.0 x10
M
c) [H
] = [OH
]
+
-4
-
-9
d) [H
] = 9.0 x10
M
e) [OH
] = 3.0 x10
M
Solution
+
Use the calculator to get pH. pH = -log[H
]
- 14
1.0 x10
+
- 12
[H
] =
=1.7 x10
M ; pH =12 ; basic
a) pH = 5.0; acidic
b)
- 3
6.0 x10
c) pH = 7.0; neutral
d) pH = 3.1; acidic
- 14
1.0 x10
+
- 6
[H
] =
= 3.3 x10
M ; pH= 5.5 ; acidic
- 9
3.0 x10
e)
9.37 Determine the pH of water solutions with the following characteristics. Classify
each solution as acidic, basic, or neutral.
+
-4
+
-8
+
-10
a) [H
] = 3.7 x10
M
b) [H
] = 7.4 x10
M
c) [H
] = 1.9 x10
M
-
-1
-
-7
d) [OH
] = 1.3 x10
M
e) [OH
] = 6.8 x10
M
Solution
+
Use the calculator to get pH. pH = -log[H
]
a) pH = 3.4; acidic
b) pH = 7.1; basic
c) pH = 9.7; basic
- 14
1.0 x10
+
- 14
[H
]=
= 7.7 x10
M ; pH =13 ; basic
d)
- 1
1.3 x10
- 14
1.0 x10
- 8
+
[H
]=
= 1.5 x10
M ; pH = 7.8 ; basic
- 7
e)
6, 8 x10
+
9.39 Determine the [H
] value for solutions with the following characteristics:
a) pH = 4.45
b) pH = 13.12
c) pH = 7.73
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education