1
娉細鏁欐潗闄勫綍涓粰鍑虹殑
NH
3
鍜?/p>
CH
3
CH
2
NH
2
鐨勮В绂诲父鏁版槸
K
b
胃
锛岃�屼笉鏄?/p>
K
a
胃
7-1
鍐欏嚭涓嬪垪閰哥殑鍏辫江纰便�?/p>
HNO
3
H
2
Y
2-
H
2
O
H
3
O
+
COOH
COOH
CHCl
2
COOH
H
2
PO
4
-
HCO
3
-
绛旓細
棰樼洰鎵�缁欓吀鐨勫叡杞⒈濡備笅琛ㄦ墍绀猴細
閰?/p>
HNO
3
H
2
Y
2-
H
2
O
H
3
O
+
COOH
COOH
CHCl
2
COOH
H
2
PO
4
-
HCO
3
-
鍏辫江纰?/p>
HNO
3
-
HY
3-
OH
-
H
3
O
+
COOH
COO
-
CHCl
2
COO
-
HPO
4
2-
CO
3
2-
7-2
鍐欏嚭涓嬪垪纰辩殑鍏辫江閰搞�?/p>
H
2
O
NH
3
H
2
PO
4
-
HPO
4
2-
CO
3
2-
HCO
3
-
(CH
2
)
6
N
4
NH
2
Y
4-
绛旓細
棰樼洰鎵�缁欓吀鐨勫叡杞吀濡備笅琛ㄦ墍绀猴細
閰?/p>
H
2
O
NH
3
H
2
PO
4
-
HPO
4
2-
CO
3
2-
鍏辫江纰?/p>
H
3
O
+
NH
4
+
H
3
PO
4
H
2
PO
4
-
HCO
3
-
閰?/p>
HCO
3
-
(CH
2
)
6
N
4
NH
2
Y
4-
鍏辫江纰?/p>
H
2
CO
3
(CH
2
)
6
N
4
H
+
NH
3
+
HY
3-
7-3
宸茬煡涓嬪垪鍚勭寮遍吀鐨?/p>
K
a
胃
鍊硷紝姹傚畠浠殑鍏辫江纰辩殑
K
b
胃
鍊硷紝骞跺皢鍚勭⒈鎸夌収纰?/p>
鎬х敱寮哄埌寮辩殑椤哄簭杩涜鎺掑垪銆?/p>
鈶?/p>
HCN
K
a
胃
= 6.2
脳
10
-10
鈶?/p>
HCOOH
K
a
胃
= 1.8
脳
10
-4
鈶?/p>
C
6
H
5
OH
K
a
胃
= 1.1
脳
10
-10
鈶?/p>
H
3
BO
3
K
a
胃
= 5.8
脳
10
-10
鈶?/p>
HPO
4
2-
K
a1
胃
(H
3
PO
4
)= 7.6
脳
10
-3
锛?/p>
K
a2
胃
(H
3
PO
4
)= 6.3
脳
10
-8
锛?/p>
K
a3
胃
(H
3
PO
4
)= 4.4
脳
10
-13
鈶?/p>
H
2
C
2
O
4
K
a1
胃
= 5.9
脳
10
-2
锛?/p>
K
a2
胃
= 6.4
脳
10
-5
锛?/p>
瑙ｏ細鏍规嵁鍏辫江閰哥⒈瀵圭殑鍏崇郴寮忥細
K
a
胃
K
b
胃
= K
w
胃
鍙煡锛?/p>
K
b
胃
=K
w
胃
/
K
a
胃
锛屽洜姝わ紝浠ヤ笂鍚勯吀鐨勫叡杞?/p>
纰?/p>
K
b
胃
璁＄畻濡備笅锛?/p>
(1)
HCN
鐨勫叡杞⒈涓?/p>
CN
-
,
鍏?/p>
K
b
胃
=
K
w
胃
/
K
a
胃
=(1.00
飩?/p>
10
-14
)/(
6.2
脳
10
-10
)=1.6
脳
10
-5
(2)
HCOOH
鐨勫叡杞⒈涓?/p>
HCOO
--
,
鍏?/p>
K
b
胃
=
K
w
胃
/
K
a
胃
=(1.00
飩?/p>
10
-14
)/(
1.8
脳
10
-4
)=5.6
脳
10
-11
(3)
C
6
H
5
OH
鐨勫叡杞⒈涓?/p>
C
6
H
5
O
-
,
鍏?/p>
K
b
胃
=
K
w
胃
/
K
a
胃
=(1.00
飩?/p>
10
-14
)/(
1.1
脳
10
-10
)=9.1
脳
10
-5