绮惧搧鏂囨。
绮惧搧鏂囨。
姘寸殑鐢电鍜屾憾娑茬殑閰哥⒈鎬?/p>
1
锛庝笅鍒楁憾娑茶偗瀹氭槸閰告�х殑鏄紙
锛?/p>
A.
鍚?/p>
H
+
鐨勬憾娑?/p>
B.
鍔犻厷閰炴樉鏃犺壊鐨勬憾娑?/p>
C.
pH<7
鐨勬憾娑?/p>
D.
c(OH
-
)<c(H
+
)
鐨勬憾娑?/p>
2
锛庡皢
pH
璇曠焊鐢ㄨ捀棣忔按婀挎鼎鍚庯紝鍘绘祴瀹氭煇婧舵恫鐨?/p>
pH
锛岃婧舵恫鐨?/p>
pH
灏嗕細
A.
鍋忛珮
B.
鍋忎綆
C.
涓嶅彉
D.
涓婅堪涓夌鎯呭喌鍧囨湁鍙兘
3
锛?/p>
pH
鐩稿悓鐨勬皑姘淬�佹阿姘у寲閽犲拰姘㈡哀鍖栭挕婧舵恫锛屽垎鍒敤钂搁姘寸█閲婂埌鍘熸潵鐨?/p>
X
鍊嶃�?/p>
Y
鍊嶃�?/p>
Z
鍊嶏紝绋�
閲婂悗涓夌婧舵恫鐨?/p>
pH
鍚岋紝鍒?/p>
X
銆?/p>
Y
銆?/p>
Z
鐨勫叧绯绘槸
A. X
锛?/p>
Y
锛?/p>
Z
B. X
锛?/p>
Y
锛?/p>
Z
C. X
锛?/p>
Y
锛?/p>
Z
D. X
锛?/p>
Y
锛?/p>
Z
4
锛?/p>
pH
锛?/p>
2
鐨勬憾娑诧紝
鍏?/p>
H
锛?
娴撳害涓?/p>
0.01mol/L
锛?/p>
涓嬪垪鍥涚鎯呭喌鐨勬憾娑诧細
鈶?/p>
25
鈩冪殑婧舵恫銆?/p>
鈶?/p>
100
鈩冪殑婧舵恫銆?/p>
鈶㈠己閰告憾娑层�佲懀寮遍吀婧舵恫锛屼笌涓婅堪绗﹀悎鐨勬湁
A.
鈶犫憿
B.
鈶犫憽鈶⑩懀
C.
鈶⑩懀
D.
鈶犫憿鈶?/p>
5
锛庢湁鐢层�佷箼涓ょ婧舵恫锛岀敳婧舵恫鐨?/p>
pH
鏄箼婧舵恫鐨勪袱鍊嶏紝鍒欑敳婧舵恫涓?/p>
c(H
锛?/p>
)
涓庝箼婧舵恫涓?/p>
c(H
锛?
)
鐨勫叧绯?/p>
A. 2
鈭?/p>
1
B. 100
鈭?/p>
1
C. 1
鈭?/p>
100
D.
鏃犳硶纭畾
6
锛庢湁涓ょ摱
pH
鍊奸兘绛変簬
2
鐨勯吀婧舵恫锛屼竴鐡舵槸寮洪吀锛屽彟涓�鐡舵槸寮遍吀锛屽彲鐢ㄦ潵閴村埆瀹冧滑鐨勪竴缁勮瘯鍓傛槸
A.
鐭宠晩璇曟恫鍜屾按
B. pH
璇曠焊鍜屾按
C.
閰氶厼璇曟恫鍜屾按
D.
閰氶厼璇曟恫鍜岃嫑鎬ч挔婧舵恫
7
锛?/p>
涓�鍏冪⒈
A
涓?/p>
0.01mol/L
鐨勪竴鍏冨己閰哥瓑浣撶Н娣峰悎鍚庢墍寰楁憾娑茬殑
pH
涓?/p>
7
銆?/p>
浠ヤ笅璇存硶涓纭殑鏄?/p>
锛?/p>
锛?/p>
鈶犺嫢
A
涓哄己纰憋紝鍏舵憾娑茬殑鐗╄川鐨勯噺娴撳害绛変簬
0.01mol/L
鈶¤嫢
A
涓哄急纰憋紝鍏舵憾娑茬殑鐗╄川鐨勯噺娴撳害澶т簬
0.01mol/L
鈶㈠弽搴斿墠锛?/p>
A
婧舵恫涓?/p>
c
(OH)
-
涓�瀹氭槸
0.01mol/L
鈶ｅ弽搴斿悗锛屾贩鍚堟憾娑蹭腑闃寸瀛愮殑娴撳害澶т簬闃崇瀛愮殑娴撳害
A
锛庘憼鈶?/p>
B
锛庘憼鈶?/p>
C
锛庘憼鈶♀憿
D
锛庘憼鈶♀憿鈶?/p>
8
锛庝笅鍒楀彊杩版纭殑鏄紙
锛?/p>
A
锛?/p>
pH=3
鍜?/p>
pH=4
鐨勭洂閰稿悇
10mL
娣峰悎锛屾墍寰楁憾娑茬殑
pH=3.5
B
锛庢憾娑蹭腑
c(H
+
)
瓒婂ぇ锛?/p>
pH
鍊间篃瓒婂ぇ锛屾憾娑茬殑閰告�у氨瓒婂己
C
锛庢恫姘櫧鐒朵笉瀵肩數锛屼絾婧惰В浜庢按鍚庡鐢垫儏鍐佃壇濂斤紝鍥犳锛屾恫姘篃鏄己鐢佃В璐?/p>
D
锛庡綋娓╁害涓嶅彉鏃讹紝鍦ㄧ函姘翠腑鍔犲叆寮虹⒈婧舵恫涓嶄細褰卞搷姘寸殑绂诲瓙绉父鏁?/p>
9
锛庡湪瀹ゆ俯涓嬶紝鏌愭憾娑蹭腑鐢辨按鐢电鍑虹殑
H
锛?/p>
娴撳害涓?/p>
1.0脳
10
锛?/p>
13
mol路
L
锛?
1
锛屽垯姝ゆ憾娑蹭腑涓�瀹氫笉鍙兘
锛庯紟锛庯紟锛?/p>
澶ч噺瀛?/p>
鍦ㄧ殑绂诲瓙缁勬槸
(
)
A. Fe
3
锛?/p>
銆?/p>
NO
3
-
銆?/p>
Cl
锛?/p>
銆?/p>
Na
锛?
B. Ca
2
锛?
銆?/p>
HCO
3
-
銆?/p>
Cl
锛?
銆?/p>
K
锛?
C. NH
4
+
銆?/p>
Fe
2
锛?
銆?/p>
SO
4
2-
銆?/p>
NO
3
-
D. Cl
锛?/p>
銆?/p>
SO
4
2-
銆?/p>
K
锛?/p>
銆?/p>
Na
锛?
10
锛庝负鏇村ソ鍦拌〃绀烘憾娑茬殑閰哥⒈鎬э紝绉戝瀹舵彁鍑轰簡閰稿害
(AG)
鐨勬蹇碉紝
AG=lg
)
OH
(
)
H
(
飥?/p>
飥?/p>
c
c
锛屽垯涓嬪垪鍙欒堪姝?/p>
纭殑鏄?/p>
(
)
A.
涓�ф憾娑茬殑
AG=0
B.
閰告�ф憾娑?/p>
AG
锛?/p>
0
C.
甯告俯涓?/p>
0.1 mol路
L
锛?
1
姘㈡哀鍖栭挔婧舵恫鐨?/p>
AG=12
D.
甯告俯涓?/p>
0.1 mol路
L
锛?
1
鐩愰吀婧舵恫鐨?/p>
AG=12
11
锛庡湪
25
鈩冩椂锛屽垎鍒敤
pH=9
銆?/p>
pH=10
鐨勪袱绉嶆皑姘翠腑鍜屽悓娴撳害銆佸悓浣撶Н鐨勭洂閰革紝娑堣�楁皑姘寸殑浣撶Н鍒?/p>
鍒负
V
1
鍜?/p>
V
2
锛屽垯
V
1
鍜?/p>
V
2
鐨勫叧绯绘槸
(
)
A.
V
1
=10
V
2
B.
V
1
锛?/p>
10
V
2
C.
V
1
锛?/p>
10
V
2
D.
V
2
锛?/p>
10V
1
12
锛?/p>
鍦?/p>
25
鈩冩椂鍚?/p>
V
mL pH=
a
鐨勭洂閰镐腑锛?/p>
婊村姞
pH=
b
鐨?/p>
NaOH(aq)10
V
mL
鏃讹紝
婧舵恫涓?/p>
Cl
锛?
鐨勭墿璐ㄧ殑閲?/p>
鎭板ソ绛変簬
Na
锛?
鐨勭墿璐ㄧ殑閲忥紝鍒?/p>
a
+
b
鐨勫�兼槸
A. 13
B. 14
C. 15
D.
涓嶈兘纭畾
13
锛庡湪涓�瀹氭俯搴︿笅锛岀浉鍚?/p>
pH
鐨勭～閰稿拰纭吀閾濇憾娑蹭腑姘寸數绂诲嚭鏉ョ殑
c
(H
锛?/p>
)
鍒嗗埆鏄?/p>
1.0脳
10
锛?/p>
a
mol路
L
锛?
1
鍜?/p>
1.0脳
10
锛?/p>
b
mol路
L
锛?
1
锛屾娓╁害涓嬶紝姘寸殑绂诲瓙绉父鏁?/p>
K
W
涓?/p>
A. 1.0脳
10
锛?/p>
14
B. 1.0脳
10
锛?
2
a
C. 1.0脳
10
锛?/p>
(7
锛?/p>
a
)
D. 1.0脳
10
锛?/p>
(
a
锛?
b
)
14
锛庤兘浣挎按鐨勭數绂诲钩琛″悜鐢电鏂瑰悜绉诲姩锛岃�屼笖鎵�寰楁憾娑叉樉閰告�х殑鏄紙
锛?/p>
A.
灏嗘按鍔犵儹鍒?/p>
99
鈩冿紝浣挎按鐨?/p>
pH=6.1
B.
鍦ㄦ按涓淮鍏ョ█纭吀
C.
鍦ㄦ按涓姞鍏ュ皬鑻忔墦
D.
鍦ㄦ按涓姞鍏ユ隘鍖栭摑鍥轰綋
15
锛?/p>
pH=13
鐨勫己纰辨憾娑插拰
pH=2
鐨勫己閰告憾娑叉贩鍚堬紝鎵�寰楁憾娑茬殑
pH=11
锛屽垯寮虹⒈婧舵恫鍜屽己閰告憾娑茬殑浣?/p>
绉箣姣斾负锛?/p>
锛?/p>
A. 11:1
B. 9:1
C. 1:11
D. 1:9
16
锛庡皢
0.23g
閽犳姇鍏ュ埌
100mL
姘翠腑锛屽厖鍒嗗弽搴斿悗鎵�寰楁憾娑茬殑瀵嗗害涓?/p>
1g/cm
3
锛屽垯璇ユ憾娑茬殑
pH
涓猴紙娓?/p>
搴︿负
25
鈩冿級
锛?/p>
锛?/p>
A. 1
B. 10
C. 12
D. 13
17
锛庡湪
10mLpH=12
鐨?/p>
NaOH
婧舵恫涓紝鍔犲叆
10mL
鐨勬煇閰革紝鍐嶆淮鍏ョ煶钑婅瘯娑诧紝婧舵恫鏄剧孩鑹层�傝繖绉嶉吀
鍙兘鏄紙
锛?/p>
銆?/p>
A. pH=2
鐨勭～閰?/p>
B. pH=2
鐨勯唻閰?/p>
C. 0.01mol/L
鐨勭敳閰?/p>
D. 0.01mol/L
鐨勭閰?/p>
18
锛?/p>
涓嬪垪婧舵恫锛?/p>
鈶?/p>
pH=0
鐨勭洂閰革紝
鈶?/p>
0.5mol路
L
-1
鐨勭洂閰告憾娑诧紝
鈶?/p>
0.1mol路
L
-1
鐨勬隘鍖栭摰婧舵恫锛?/p>
鈶?/p>
0.1mol路
L
-1
鐨勬阿姘у寲閽犳憾娑诧紝
鈶?/p>
0.1mol路
L
-1
鐨勬盁鍖栭挔婧舵恫锛?/p>
鐢辨按鐢电鐨?/p>
H
+
娴撳害鐢卞ぇ鍒板皬鐨勯『搴忔纭殑鏄?/p>
锛?/p>
锛?/p>
A.
鈶犫憽鈶⑩懀鈶?/p>
B.
鈶⑩懁鈶ｂ憽鈶?/p>
C.
鈶犫憽鈶⑩懁鈶?/p>
D.
鈶も憿鈶ｂ憼鈶?/p>
19
锛?/p>
25
鈩冩椂锛屽湪鏌愮墿璐ㄧ殑婧舵恫涓紝鐢辨按鐢电鍑虹殑
c
(H
+
)=1.0脳
10
-
a
mol路
L
-1
锛屼笅鍒楄娉曟纭殑鏄紙
锛?/p>
A.
a
<7
鏃讹紝姘寸殑鐢电涓�瀹氬彈鍒颁績杩?/p>
B.
a
>7
鏃讹紝姘寸殑鐢电涓�瀹氬彈鍒颁績杩?/p>
C.
a
<7
鏃讹紝婧舵恫鐨?/p>
pH
涓�瀹氫负
a
D.
a
>7
鏃讹紝婧舵恫鐨?/p>
pH
鍙兘涓?/p>
a
20
锛庡娓╀笅锛屾妸
1mL0.1mol/L
鐨?/p>
H
2
SO
4
鍔犳按绋�閲婃垚
2L
婧舵恫锛屽湪姝ゆ憾娑蹭腑鐢辨按鐢电浜х敓鐨?/p>
H
+
锛屽叾娴?/p>
搴︽帴杩戜簬锛?/p>
锛?/p>
A. 1
脳
10
-4
mol/L
B. 1
脳
10
-8
mol/L