鎺掓煡钀藉疄缁冨崄浜?/p>
姘存憾娑蹭腑鐨勭瀛愬钩琛?/p>
涓�銆佹璇垽鏂?/p>
路
杈ㄦ瀽姒傚康
(
涓�
)
寮辩數瑙ｈ川鐨勭數绂诲钩琛￠儴鍒?/p>
1
锛庢煇閱嬮吀婧舵恫鐨?/p>
pH
锛?/p>
a
锛屽皢姝ゆ憾娑茬█閲?/p>
1
鍊嶅悗锛屾憾娑茬殑
pH
锛?/p>
b
锛屽垯
a
锛?/p>
b
(
脳
)
2
锛庡湪婊存湁閰氶厼婧舵恫鐨勬皑姘撮噷锛屽姞鍏?/p>
NH
4
Cl
鑷虫憾娑叉伆濂芥棤鑹诧紝鍒欐鏃舵憾娑茬殑
pH
锛?/p>
7 (
脳
)
3
锛?/p>
1.0
脳
10
锛?
3
mol路
L
锛?/p>
1
鐩愰吀鐨?/p>
pH
锛?/p>
3.0,1.0
脳
10
锛?
8
mol路
L
锛?/p>
1
鐩愰吀鐨?/p>
pH
锛?/p>
8.0
(
脳
)
4
锛?/p>
25
鈩冩椂鑻?/p>
1 mL pH
锛?/p>
1
鐨勭洂閰镐笌
100 mL NaOH
婧舵恫娣峰悎鍚庯紝婧舵恫鐨?/p>
pH
锛?/p>
7
锛屽垯
NaOH
婧?/p>
娑茬殑
pH
锛?/p>
11
(
鈭?/p>
)
5
锛庡垎鍒拰绛夌墿璐ㄧ殑閲忕殑鐩愰吀鍜岀～閰稿弽搴旀椂锛屾秷鑰?/p>
NaOH
鐨勭墿璐ㄧ殑閲忕浉鍚?/p>
(
脳
)
6
锛?/p>
pH
锛?/p>
4
鐨勯唻閰稿姞姘寸█閲婅繃绋嬩腑锛屾墍鏈夌瀛愭祿搴﹂兘闄嶄綆
(
脳
)
7
锛?/p>
0.1 mol路
L
锛?
1
CH
3
COOH
婧舵恫涓姞鍏ュ啺閱嬮吀锛岄唻閰哥殑鐢电绋嬪害鍙樺皬
(
鈭?/p>
)
8
锛庡湪瀹ゆ俯涓嬶紝
CH
3
COOH
鍒嗗瓙鍙互瀹屽叏浠ュ垎瀛愮殑褰㈠紡瀛樺湪浜?/p>
pH
锛?/p>
8
鐨勬憾娑蹭腑
(
脳
)
9
锛庡己鐢佃В璐ㄦ憾娑蹭腑娌℃湁鍒嗗瓙锛屽彧鏈夌瀛?/p>
(
脳
)
(
浜?/p>
)
姘寸殑鐢电鍜屾憾娑茬殑
pH
閮ㄥ垎
1
锛?/p>
pH
锛?/p>
6
鐨勬憾娑插憟閰告�?/p>
(
脳
)
2
锛庡彧瑕佹槸绾按锛岃偗瀹氬憟涓�?/p>
(
鈭?/p>
)
3
锛庣函姘寸殑
pH
锛?/p>
7
(
脳
)
4
锛庢棤璁哄湪閰告憾娑蹭腑杩樻槸纰辨憾娑蹭腑锛岀敱姘寸數绂诲嚭鐨?/p>
c
(H
锛?
)
锛?/p>
c
(OH
锛?
)
(
鈭?/p>
)
5
锛?/p>
pH
锛?/p>
0
锛屾憾娑蹭腑
c
(H
锛?
)
锛?/p>
0 mol路
L
锛?/p>
1
(
脳
)
6
锛庢煇婧舵恫涓淮鍏ラ厷閰氬憟鏃犺壊锛屾憾娑插憟閰告�?/p>
(
脳
)
7
锛庣敤
pH
璇曠焊娴嬪畾婧舵恫鐨?/p>
pH
鍊硷紝涓嶈兘鐢ㄦ按娴告箍锛屽惁鍒欎竴瀹氫細浜х敓璇樊
(
脳
)
8
锛?/p>
pH
锛?/p>
5.6
鐨?/p>
CH
3
COOH
涓?/p>
CH
3
COONa
娣峰悎婧舵恫涓紝
c
(Na
锛?
) >
c
(CH
3
COO
锛?
)
(
脳
)
9
锛庝袱绉嶉唻閰哥殑鐗╄川鐨勯噺娴撳害鍒嗗埆涓?/p>
c
1
鍜?/p>
c
2
锛?/p>
pH
鍒嗗埆涓?/p>
a
鍜?/p>
a
锛?/p>
1
锛屽垯
c
1
锛?/p>
10
c
2
(
脳
)
10
锛庡皢
Ca(OH)
2
鐨勯ケ鍜屾憾娑插姞鐑紝
pH
鍜?/p>
K
w
鍧囧澶?/p>
(
脳
)
(
涓?/p>
)
鐩愮被姘磋В閮ㄥ垎
1
锛?/p>
NaHS
姘存憾娑蹭腑鍙瓨鍦?/p>
HS
锛?
鐨勭數绂诲拰姘磋В涓ょ骞宠
(
脳
)
2
锛庡湪楗卞拰姘ㄦ按涓姞鍏ュ悓娴撳害鐨勬皑姘达紝骞宠 姝ｅ悜绉诲姩
(
脳
)
3
锛?/p>
HA
姣?/p>
HB
鏇撮毦鐢电锛屽垯
NaA
姣?/p>
NaB
鐨勬按瑙ｈ兘鍔涙洿寮?/p>
(
鈭?/p>
)
4
锛?/p>
HA
锛?
姣?/p>
HB
锛?
鏇撮毦鐢电锛屽垯
NaHA
婧舵恫鐨?/p>
pH
鍊间竴瀹氭瘮
NaHB
婧舵恫鐨勫ぇ
(
脳
)
5.
甯告俯涓嬶紝
pH
锛?/p>
1
鐨?/p>
CH
3
COOH
婧舵恫涓?/p>
pH
锛?/p>
2
鐨?/p>
CH
3
COOH
婧舵恫鐩告瘮锛屼袱婧舵恫涓敱
H
2
O
鐢?/p>
绂诲嚭鐨?/p>
c
(H
锛?
)
鏄?/p>
10
鈭?/p>
1
(
脳
)
6
锛庡父娓╀笅锛?/p>
pH
锛?/p>
2
涓?/p>
pH
锛?/p>
3
鐨?/p>
CH
3
COOH
婧舵恫锛屽墠鑰呯殑
c
(CH
3
COOH)
鏄悗鑰呯殑
10
鍊?/p>