1.
pH
=
8
,
87
{\displaystyle {\ce {pH \ = \ 8{,}87}}}
[
H
+
]
=
1
,
35
10
−
9
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 1,35\,10^{-9}\ mol.L^{-1}}}}
[
OH
−
]
=
7
,
41
10
−
6
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 7,41\,10^{-6}\ mol.L^{-1}}}}
[
H
+
]
=
10
−
pH
=
10
−
8
,
87
=
1
,
35
10
−
9
{\displaystyle {\ce {[H^{+}] \ = \ 10^{-pH}\ = \ 10^{-8{,}87}\ = \ 1,35 \, 10^{-9}}}}
pH
+
pOH
=
14
⇒
pOH
=
14
−
pH
=
5
,
13
{\displaystyle {\ce {pH\ +\ pOH\ =\ 14\ \Rightarrow \ pOH\ =\ 14\ -\ pH\ =\ 5{,}13}}}
[
OH
−
]
=
10
−
pOH
=
10
−
5
,
13
=
7
,
41
10
−
6
{\displaystyle {\ce {[OH^{-}] \ = \ 10^{-pOH}\ = \ 10^{-5{,}13}\ = \ 7{,}41 \, 10^{-6}}}}
2.
pH
=
0
,
35
{\displaystyle {\ce {pH \ = \ 0{,}35}}}
[
H
+
]
=
4
,
47
10
−
1
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 4,47\,10^{-1}\ mol.L^{-1}}}}
[
OH
−
]
=
2
,
24
10
−
14
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 2,24\,10^{-14}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
3.
pH
=
9
⋅
99
{\displaystyle {\ce {pH \ = \ 9.99}}}
[
H
+
]
=
1
,
02
10
−
10
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 1,02\,10^{-10}\ mol.L^{-1}}}}
[
OH
−
]
=
9
,
77
10
−
5
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 9,77\,10^{-5}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
4.
pH
=
0
,
15
{\displaystyle {\ce {pH \ = \ 0{,}15}}}
[
H
+
]
=
7
,
08
10
−
1
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 7,08\,10^{-1}\ mol.L^{-1}}}}
[
OH
−
]
=
1
,
41
10
−
14
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 1,41\,10^{-14}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
5.
pH
=
9
,
25
{\displaystyle {\ce {pH \ = \ 9{,}25}}}
[
H
+
]
=
5
,
62
10
−
10
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 5,62\,10^{-10}\ mol.L^{-1}}}}
[
OH
−
]
=
1
,
78
10
−
5
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 1,78\,10^{-5}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
6.
pH
=
1
,
75
{\displaystyle {\ce {pH \ = \ 1{,}75}}}
[
H
+
]
=
1
,
78
10
−
2
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 1,78\,10^{-2}\ mol.L^{-1}}}}
[
OH
−
]
=
5
,
62
10
−
13
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 5,62\,10^{-13}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
7.
pH
=
6
,
94
{\displaystyle {\ce {pH \ = \ 6{,}94}}}
[
H
+
]
=
1
,
15
10
−
7
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 1,15\,10^{-7}\ mol.L^{-1}}}}
[
OH
−
]
=
8
,
71
10
−
8
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 8,71\,10^{-8}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
8.
pH
=
4
,
56
{\displaystyle {\ce {pH \ = \ 4{,}56}}}
[
H
+
]
=
2
,
75
10
−
5
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 2,75\,10^{-5}\ mol.L^{-1}}}}
[
OH
−
]
=
3
,
63
10
−
10
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 3,63\,10^{-10}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
9.
pH
=
3
,
90
{\displaystyle {\ce {pH \ = \ 3{,}90}}}
[
H
+
]
=
1
,
26
10
−
4
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 1,26\,10^{-4}\ mol.L^{-1}}}}
[
OH
−
]
=
7
,
94
10
−
11
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 7,94\,10^{-11}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
10.
pH
=
7
,
53
{\displaystyle {\ce {pH \ = \ 7{,}53}}}
[
H
+
]
=
2
,
95
10
−
8
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 2,95\,10^{-8}\ mol.L^{-1}}}}
[
OH
−
]
=
3
,
39
10
−
7
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 3,39\,10^{-7}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
11.
pH
=
1
,
27
{\displaystyle {\ce {pH \ = \ 1{,}27}}}
[
H
+
]
=
5
,
37
10
−
2
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 5,37\,10^{-2}\ mol.L^{-1}}}}
[
OH
−
]
=
1
,
86
10
−
13
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 1,86\,10^{-13}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
12.
pH
=
9
,
56
{\displaystyle {\ce {pH \ = \ 9{,}56}}}
[
H
+
]
=
2
,
75
10
−
10
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 2,75\,10^{-10}\ mol.L^{-1}}}}
[
OH
−
]
=
3
,
63
10
−
5
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 3,63\,10^{-5}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
13.
pH
=
0
,
03
{\displaystyle {\ce {pH \ = \ 0{,}03}}}
[
H
+
]
=
9
,
33
10
−
1
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 9,33\,10^{-1}\ mol.L^{-1}}}}
[
OH
−
]
=
1
,
07
10
−
14
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 1,07\,10^{-14}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
14.
pH
=
9
,
90
{\displaystyle {\ce {pH \ = \ 9{,}90}}}
[
H
+
]
=
1
,
26
10
−
10
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 1,26\,10^{-10}\ mol.L^{-1}}}}
[
OH
−
]
=
7
,
94
10
−
5
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 7,94\,10^{-5}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1
15.
pH
=
0
,
63
{\displaystyle {\ce {pH \ = \ 0{,}63}}}
[
H
+
]
=
2
,
34
10
−
1
mol
⋅
L
−
1
{\displaystyle {\ce {[H^{+}]\ =\ 2,34\,10^{-1}\ mol.L^{-1}}}}
[
OH
−
]
=
4
,
27
10
−
14
mol
⋅
L
−
1
{\displaystyle {\ce {[OH^{-}]\ =\ 4,27\,10^{-14}\ mol.L^{-1}}}}
Voor de uitwerking zie vraag 1