1
锛?/p>
99
鈩冪函姘寸殑
pH
锛?/p>
6
锛屽憟閰告�с�?/p>
(
)
2
锛?/p>
c
(H
锛?/p>
)
锛?/p>
鐨勬憾娑蹭竴瀹氬憟涓�с�?/p>
(
)
3
锛?/p>
1 L pH
锛?/p>
12
鐨?/p>
Ba(OH)2
婧舵恫涓紝
OH
锛嶇殑鐗╄川鐨勯噺涓?/p>
0.02 mol
銆?/p>
(
)
4
锛庣洓鏀惧緟娴嬫恫鐨勯敟褰㈢摱涓�瀹氳娑︽礂锛屽惁鍒欎骇鐢熷疄楠岃宸�?/p>
(
)
5
锛庣敤
pH
璇曠焊娴嬪緱鏌愭柊鍒舵隘姘寸殑
pH
鍊间负
4
銆?/p>
(
)
6
锛庤鏍间负
25 mL
鐨勬淮瀹氱锛屾恫闈㈠湪
10 mL
澶勶紝灏嗘憾娑插叏閮ㄦ斁鍑哄ぇ浜?/p>
15 mL
銆?/p>
(
)
甯告俯涓嬶紝璁＄畻涓嬪垪婧舵恫涓敱姘寸數绂诲嚭鐨?/p>
c
(H
锛?/p>
)
鎴?/p>
c
(OH
锛?/p>
)
銆?/p>
(1)pH
锛?/p>
2
鐨勭洂閰革細
c
(H
锛?/p>
)
姘达紳
________
銆?/p>
(2)pH
锛?/p>
11
鐨?/p>
NaOH
婧舵恫锛?/p>
c
(OH
锛?/p>
)
姘达紳
________
銆?/p>
(3)pH
锛?/p>
2
鐨?/p>
FeCl3
婧舵恫锛?/p>
c
(H
锛?/p>
)
姘达紳
________
銆?/p>
(4)pH
锛?/p>
11
鐨?/p>
Na2CO3
婧舵恫锛?/p>
c
(OH
锛?/p>
)
姘达紳
________
鏌愭俯搴︿笅
(
K
W
锛?/p>
1
脳
10
锛?/p>
12 mol2路
L
锛?/p>
2)
锛岃绠椾笅鍒楁憾娑蹭腑姘寸數绂诲嚭鐨?/p>
c
(H
锛?/p>
)
鎴?/p>
c
(OH
锛?/p>
)
銆?/p>
(1)
钂搁姘翠腑
c
(H
锛?/p>
)
姘达紳
________
銆?/p>
(2)0.1 mol路
L
锛?/p>
1 NaOH
婧舵恫涓?/p>
c
(OH
锛?/p>
)
姘达紳
________
銆?/p>
(3)pH
锛?/p>
11 Na2CO3
婧舵恫涓?/p>
c
(OH
锛?/p>
)
姘达紳
________
銆?/p>
鍒ゆ柇涓嬪垪婧舵恫鍦ㄥ父娓╀笅鐨勯吀銆佺⒈鎬э細
(1)
鐩稿悓娴撳害鐨?/p>
HCl
鍜?/p>
NaOH
婧舵恫绛変綋绉贩鍚?/p>
(
)
(2)
鐩稿悓娴撳害鐨?/p>
CH3COOH
鍜?/p>
NaOH
婧舵恫绛変綋绉贩鍚?/p>
(
)
(3)
鐩稿悓娴撳害
NH3路
H2O
鍜?/p>
HCl
婧舵恫绛変綋绉贩鍚?/p>
(
)
(4)pH
锛?/p>
2
鐨?/p>
HCl
鍜?/p>
pH
锛?/p>
12
鐨?/p>
NaOH
婧舵恫绛変綋绉贩鍚?/p>
(
)
(5)pH
锛?/p>
3
鐨?/p>
HCl
鍜?/p>
pH
锛?/p>
10
鐨?/p>
NaOH
婧舵恫绛変綋绉贩鍚?/p>
(
)
(6)pH
锛?/p>
3
鐨?/p>
HCl
鍜?/p>
pH
锛?/p>
12
鐨?/p>
NaOH
婧舵恫绛変綋绉贩鍚?/p>
(
)
(7)pH
锛?/p>
2
鐨?/p>
CH3COOH
鍜?/p>
pH
锛?/p>
12
鐨?/p>
NaOH
婧舵恫绛変綋绉贩鍚?/p>
(
)
(8)pH
锛?/p>
2
鐨?/p>
HCl
鍜?/p>
pH
锛?/p>
12
鐨?/p>
NH3路
H2O
绛変綋绉贩鍚?/p>
(
)
3
锛庡湪鏌愭俯搴︽椂锛屾祴寰?/p>
0.01 mol路
L
锛?/p>
1
鐨?/p>
NaOH
婧舵恫鐨?/p>
pH
锛?/p>
11
銆?/p>
(1)
璇ユ俯搴︿笅姘寸殑绂诲瓙绉父鏁?/p>
K
W
锛?/p>
________
銆?/p>
(2)
鍦ㄦ娓╁害涓嬶紝灏?/p>
pH
锛?/p>
a
鐨?/p>
NaOH
婧舵恫
V
a
L
涓?/p>
pH
锛?/p>
b
鐨勭～閰?/p>
Vb
L
娣峰悎銆?/p>
鈶犺嫢鎵�寰楁贩鍚堟恫涓轰腑鎬э紝涓?/p>
a
锛?/p>
12
锛?/p>
b
锛?/p>
2
锛屽垯
V
a
鈭?/p>
Vb
锛?/p>
________
銆?/p>
鈶¤嫢鎵�寰楁贩鍚堟恫涓轰腑鎬э紝涓?/p>
a
锛?/p>
b
锛?/p>
12
锛屽垯
V
a
鈭?/p>
Vb
锛?/p>
________
銆?/p>