绗?/p>
3
绔?/p>
閰哥⒈鍙嶅簲鍜屾矇娣�鍙嶅簲
涔犻鍙傝�冪瓟妗?/p>
瑙ｏ細
锛?/p>
1
锛?/p>
pH=-lg
c
(H
+
)=12.00
锛?/p>
2
锛?/p>
0.050mol路
L
-1
HOAc
婧舵恫涓紝
HOAc
H
+
+
OAc
-
c
骞?/p>
/(mol路
L
-1
)
0.050-x
x
x
5
10
8
.
1
x
0.050
x
x
)
HOAc
(
)
OAc
(
)
H
(
K
飥?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飪?/p>
飥?/p>
飥?
c
c
c
a
飦?/p>
c
(H
+
) = 9.5脳
10
-4
mol路
L
-1
pH = -lg
c
(H
+
) = 3.02
2
锛?/p>
瑙ｏ細
锛?/p>
1
锛?/p>
pH = 1.00
c
(H
+
) = 0.10mol路
L
-1
pH = 2.00
c
(H
+
) = 0.010mol路
L
-1
绛変綋绉贩鍚堝悗锛?/p>
c
(H
+
) =
锛?/p>
0.10mol路
L
-1
+0.010mol路
L
-1
锛?/p>
/2 = 0.055 mol路
L
-1
pH = -lg
c
(H
+
) = 1.26
锛?/p>
2
锛?/p>
pH = 2.00
c
(H
+
) = 0.010mol路
L
-1
pH = 13.00
pOH = 14.00-13.00 = 1.00,
c
(OH
-
) = 0.10mol路
L
-1
绛変綋绉贩鍚堝悗锛?/p>
-1
-1
0.010mol
L
(H
)
0.0050mol
L
2
c
飥?/p>
飪?/p>
飥?/p>
飥?/p>
飪?/p>
-1
-
-1
0.10mol
L
(OH
)
0.050mol
L
2
c
飪?/p>
飥?/p>
飥?/p>
飪?/p>
閰哥⒈涓拰鍚庯細
H
+
+ OH
-
鈫?/p>
H
2
O
c
(OH
-
) = 0.045mol路
L
-1
pH =12.65
3
锛?/p>
瑙ｏ細姝ｅ父鐘舵�佹椂
pH = 7.35
c
(H
+
) = 4.5脳
10
-8
mol路
L
-1
pH = 7.45
c
(H
+
) = 3.5脳
10
-8
mol路
L
-1
鎮ｇ梾鏃?/p>
pH = 5.90
c
(H
+
) = 1.2脳
10
-6
mol路
L
-1
27
L
m
ol
10
5
.
4
L
m
ol
10
1.2
1
-
8
-
-1
-6
飥?/p>
飪?/p>
飩?/p>
飪?/p>
飩?/p>
34
L
m
ol
10
5
.
3
L
m
ol
10
1.2
1
-
8
-
-1
-6
飥?/p>
飪?/p>
飩?/p>
飪?/p>
飩?/p>
鎮ｆ绉嶇柧鐥呯殑浜鸿娑蹭腑
c
(H
+
)
涓烘甯哥姸鎬佺殑
27
锝?/p>
34
鍊嶃�?/p>
4
锛?/p>
瑙ｏ細涓�鍏冨急閰?/p>
HA
锛?/p>
pH
锛?/p>
2.77
c
(H
+
)=1.7脳
10
-3
mol路
L
-1
HA
H
+
+
A
-
c
骞?/p>
/(mol路
L
-1
)
0.10-1.7脳
10
-3
1.7脳
10
-3
1.7脳
10
-3
3
2
5
3
(H
)
(A
)
(1.7
10
)
2.9
10
(HA)
0.10
1.7
10
a
c
c
K
c
飦?
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飩?/p>
伪
=
%
7
.
1
%
100
10
.
0
10
7
.
1
3
飥?/p>
飩?/p>
飩?/p>
飥?/p>