1
鍒嗘瀽鍖栧涔犻鍙婄瓟妗?/p>
涓�銆佸垎鏋愬寲瀛︽璁?/p>
涓�銆侀�夋嫨棰?/p>
1
涓嬪垪鏁版嵁涓湁鏁堟暟瀛椾负鍥涗綅鐨勬槸
( D )
(A)0.060 (B)0.0600 (C)pH = 6.009 (D)0.6000
2
涓嬪垪鏁版嵁涓湁鏁堟暟瀛椾笉鏄笁浣嶇殑鏄紙
C
锛?/p>
(A)4.00
脳
10
-5
(B)0.400 (C)0.004 (D)p
K
a
= 4.008
3
涓轰簡娑堥櫎
0.0002000 kg
涓殑闈炴湁鏁堟暟瀛楋紝搴旀纭湴琛?/p>
绀轰负锛?/p>
D
锛?/p>
(A)0.2g (B)0.20g (C)0.200g (D)0.2000g
4
涓嬪垪鏁版嵁涓湁鏁堟暟瀛椾笉鏄洓浣嶇殑鏄紙
B
锛?/p>
(A)0.2500 (B)0.0025 (C)2.005 (D)20.50
5
涓嬮潰鏁版嵁涓惈鏈夐潪鏈夋晥鏁板瓧鐨勬槸锛?/p>
A
锛?/p>
(1) 0.02537 (2) 0.2009 (3) 1.000 (4) 20.00
(A)1,2 (B)3,4 (C)1,3 (D)2,4
6
涓嬪垪鏁版嵁涓负鍥涗綅鏈夋晥鏁板瓧鐨勬槸锛?/p>
C
锛?/p>
(1) 0.068 (2) 0.06068 (3) 0.6008 (4) 0.680
(A)1,2 (B)3,4 (C)2,3 (D)1,4
7
鍦ㄤ笅鍒楁暟鎹腑锛屼袱浣嶆湁鏁堟暟瀛楃殑鏄紙
B
锛?/p>
(2) 0.140 (3) 1.40 (3)
K
a
=1.40
脳
10
-4
(4) pH=1.40
(A)1,2 (B)3,4 (C)1,4 (D)2,3
濡傛灉鏄瓑寮忥紝鏈夋晥鏁板瓧灏辨槸浠庡皬鏁扮偣寮�濮嬬殑锛堝墠鎻愭槸灏忔暟
鐐瑰墠闈笉鏄浂锛夛紝濡傚鏄崟绾殑鏁板瓧锛屽氨涓嶉渶瑕佽�冭檻涓婅堪
鎯呭喌銆?/p>
8
鐢?/p>
50 mL
婊村畾绠℃淮瀹氾紝缁堢偣鏃舵濂芥秷鑰?/p>
25 mL
婊村畾鍓傦紝
姝ｇ‘鐨勮褰曞簲涓猴紙
C
锛?/p>
(A)
25
mL (B)
25.0
mL (C)
25.00
mL
(D)
25.000mL
杩欎釜鏄簿纭害鐨勯棶棰?/p>
9
鐢?/p>
25 mL
绉绘恫绠＄Щ鍙栨憾娑诧紝鍏舵湁鏁堟暟瀛楀簲涓猴紙
C
锛?/p>
(A)
浜屼綅
(B)
涓変綅
(C)
鍥涗綅
(D)
浜斾綅
10
鐢ㄥ垎鏋愬ぉ骞冲噯纭О鍙?/p>
0.2g
璇曟牱锛屾纭殑璁板綍搴旀槸锛?/p>
D
锛?/p>
(A)0.2g (B)0.20g (C) 0.200g (D)0.2000g
1
鍒嗘瀽澶╁钩鐨勭簿纭害鏄?/p>
0.0001
11
鐢ㄥ垎鏋愬ぉ骞崇О閲忚瘯鏍锋椂锛屽湪涓嬪垪缁撴灉涓笉姝ｇ‘鐨勮〃杈?/p>
鏄紙
A
锛?/p>
(A)0.312g
锛?/p>
B
锛?/p>
0.0963g
锛?/p>
C
锛?/p>
0.2587g
锛?/p>
D
锛?/p>
0.3010g
12
宸茬煡鏌愭憾娑茬殑
pH
鍊间负
10.90
锛屽叾姘㈢瀛愭祿搴︾殑姝ｇ‘鍊?/p>
涓猴紙
D
锛?/p>
(A) 1
脳
10
-11
mol
路
L
-1
(B) 1.259
脳
10
-11
mol
路
L
-1
(C) 1.26
脳
10
-11
mol
路
L
-1
(D) 1.3
脳
10
-11
mol
路
L
-1
杩欎釜鏄簿纭害鐨勯棶棰?/p>
13
閱嬮吀鐨?/p>
p
K
a
= 4.74
锛屽垯
K
a
鍊间负锛?/p>
A
锛?/p>
(A) 1.8
脳
10
-5
(B) 1.82
脳
10
-5
(C) 2
脳
10
-5
(D) 2.0
脳
10
-5
14
涓嬪垪鏁版嵁涓湁鏁堟暟瀛椾负浜屼綅鐨勬槸锛?/p>
D
锛?/p>
(A) [H
+
]=10
-7.0
(B) pH=7.0
锛?/p>
1
锛?/p>
(C) lg
K
=27.9
锛?/p>
1
锛?/p>
(D) lg
K
=27.94
锛?/p>
2
锛?/p>
15
鎸夊洓鑸嶅叚鍏ヤ簲鎴愬弻瑙勫垯灏嗕笅鍒楁暟鎹慨绾︿负鍥涗綅鏈夋晥鏁板瓧
(0.2546)
鐨勬槸锛?/p>
C
锛?/p>
(A)0.25454
锛?/p>
0.2545
锛?/p>
(B)0.254549
锛?/p>
0.25455
锛?/p>
(C)0.25465 (D)0.254651
锛?/p>
0.2547
锛?/p>
16
涓嬪垪鍥涗釜鏁版嵁涓慨鏀逛负鍥涗綅鏈夋晥鏁板瓧鍚庝负
0.2134
鐨勬槸
锛?/p>
D
锛?/p>
(1) 0.21334
锛?/p>
0.2133
锛?/p>
(2) 0.21335
锛?/p>
0.2134
锛?/p>
(3) 0.21336
锛?/p>
0.2134
锛?/p>
(4) 0.213346
锛?/p>
0.2133
锛?/p>
(A) 1,2 (B) 3,4 (C) 1,4 (D) 2,3
鈥滃洓鑸嶅叚鍏ヤ簲鎴愬弻鈥濓紝绛変簬浜旀椂瑕佺湅浜斿墠闈㈢殑鏁板瓧锛岃嫢鏄
鏁板垯杩涗綅锛?/p>
濡傛槸鍋舵暟鍒欒垗鍘伙紝
鑻ヤ簲鍚庨潰杩樻湁涓嶆槸闆剁殑浠讳綍鏁帮紝
閮借杩涗綅銆?/p>
17
浠ヤ笅璁＄畻寮忕瓟妗?/p>
x
搴斾负锛?/p>
C
锛?/p>
11.05+1.3153+1.225+25.0678 =
x
(A) 38.6581 (B) 38.64 (C) 38.66 (D) 38.67
鍏堜慨绾︼紝鍚庤绠楋細
11.05+1.32+1.22+25.07=38.66
18
涓嬪垪绠楀紡鐨勭粨鏋滀腑
x
搴斾负锛?/p>
C
锛?/p>
0000
.
1
)
60
.
23
00
.
25
(
1018
.
0
飥?/p>
飥?
x
(A)
0.14252 (B)
0.1425 (C)
0.143 (D)
0.142
19
娴嬪畾璇曟牱
CaCO
3
鐨勮川閲忓垎鏁帮紝绉板彇璇曟牱
0.956 g
锛屾淮瀹?/p>
鑰楀幓
EDTA
鏍囧噯婧舵恫
22.60mL
锛屼互涓嬬粨鏋滆〃绀烘纭殑鏄紙
C
锛?/p>
(A) 47.328
锛?/p>
(B) 47.33
锛?/p>
(C) 47.3
锛?/p>
(D) 47
锛?/p>
20
浠ヤ笅浜х敓璇樊鐨勫洓绉嶈〃杩颁腑锛屽睘浜庨殢鏈鸿宸殑鏄紙
B
锛?/p>
(1)
璇曞墏涓惈鏈夊緟娴嬬墿
(2)
绉绘恫绠℃湭鏍℃
(3)
绉伴噺杩囩▼涓ぉ骞抽浂鐐圭◢鏈夊彉鍔?/p>
(4)
婊村畾绠¤鏁版渶鍚庝竴浣嶄及璁′笉鍑?/p>
(A) 1,2
(B) 3,4
(C) 2,3
(D) 1,4
浜屻�佸～绌洪
1
浠ヤ笅鍚勬暟鐨勬湁鏁堟暟瀛椾负鍑犱綅锛?/p>
0.0060
涓?/p>
浜?/p>
浣嶏紱
飦?/p>
涓?/p>
鏃犻檺
浣嶏紱
2
5
涓?/p>
鏃犻檺
浣嶏紱
6.023
脳
10
23
涓?/p>
鍥?/p>
浣?/p>
锛?/p>
pH=9.26
涓?/p>
浜?/p>
浣嶃�?/p>
2
灏嗕互涓嬫暟淇害涓?/p>
4
浣嶆湁鏁堟暟瀛楋細