- 8 -
閰哥⒈婊村畾缁冧範棰橈紙
III
锛?/p>
涓�銆侀�夋嫨棰?/p>
1.
绉板彇绾竴鍏冨急閰?/p>
HA 1.250g
婧朵簬姘翠腑骞剁█閲婅嚦
50mL
锛岀敤
0.100mol路
L
锛?
1
NaOH
婊村畾锛屾秷鑰?/p>
NaOH50mL
鍒扮瓑閲忕偣锛岃绠楀急閰哥殑寮忛噺涓猴紙
锛?/p>
銆?/p>
A. 200
B.300
C.150
D.250
2.
閰哥⒈婊村畾绐佽穬鑼冨洿涓?/p>
7.0
锝?/p>
9.0
锛屾渶閫傚疁鐨勬寚绀哄墏涓猴紙
锛?/p>
A.
鐢插熀绾紙
4.4
锝?/p>
6.4
锛?/p>
B.
閰氶厼锛?/p>
8.0
锝?/p>
10.0
锛?/p>
C.
涓�х孩锛?/p>
6.8
锝?/p>
8.0
锛?/p>
D.
鐢查厷绾紙
7.2
锝?/p>
8.8
锛?/p>
3.
鏌愰吀纰辨寚绀哄墏鐨?/p>
pK
Hln
=5
锛屽叾鐞嗚鍙樿壊鑼冨洿鏄紙
C
锛?/p>
pH
A.2~8
B.3~7
C.4~6
D.5~7
4.
閰哥⒈婊村畾涓�夋嫨鎸囩ず鍓傜殑鍘熷垯鏄紙
锛?/p>
A
鎸囩ず鍓傜殑鍙樿壊鑼冨洿涓庡寲瀛﹁閲忕偣瀹屽叏鐩哥
B
鎸囩ず鍓傚簲鍦?/p>
pH=7.00
鏃跺彉鑹?/p>
C
鎸囩ず鍓傚彉鑹茶寖鍥村簲鍏ㄩ儴钀藉湪
pH
绐佽穬鑼冨洿涔嬪唴
D
鎸囩ず鍓傜殑鍙樿壊鑼冨洿搴斿叏閮ㄦ垨閮ㄥ垎钀藉湪
pH
绐佽穬鑼冨洿涔嬪唴
5.
涓嬪垪寮遍吀鎴栧急纰辫兘鐢ㄩ吀纰辨淮瀹氭硶鐩存帴鍑嗙‘婊村畾鐨勬槸锛?/p>
锛?/p>
銆?/p>
A.0.1mol路
L
锛?/p>
1
鑻厷
K
a
=1.1脳
10
锛?/p>
10
B.0.1mol路
L
锛?
1
H
3
BO
3
K
a
=7.3脳
10
锛?/p>
10
C.0.1mol路
L
锛?/p>
1
缇熻兒
K
b
=1.07脳
10
锛?
8
D.0.1mol路
L
锛?
1
HF
K
a
=3.5脳
10
锛?
4
6.
涓嬪垪鍚勭墿璐ㄤ腑锛屽摢鍑犵鑳界敤鏍囧噯
NaOH
婧舵恫鐩存帴婊村畾
A.(NH
4
)
2
SO
4
(NH
3
鐨?/p>
K
b
飦?/p>
锛?/p>
1.8脳
10
-5
)
B.
閭昏嫰浜岀敳閰告阿閽撅紙閭昏嫰浜岀敳閰哥殑
2
K
a
飦?/p>
锛?/p>
2.9脳
10
-6
锛?/p>
C.
鑻厷锛?/p>
K
a
飦?/p>
锛?/p>
1.1脳
10
-10
锛?/p>
D.NH
4
Cl(NH
3
鐨?/p>
K
b
飦?/p>
锛?/p>
1.8脳
10
-5
)
7.
澶氬厓閰稿噯纭垎姝ユ淮瀹氱殑鏉′欢鏄紙
锛?/p>
銆?/p>
A.
K
ai
锛?/p>
10
锛?
5
B.
K
ai
/
K
ai
锛?/p>
1
鈮?0
4
C.
cK
ai
鈮?0
锛?/p>
8
D.
cK
ai
鈮?0
锛?
8
銆?/p>
K
ai
/
K
ai
锛?/p>
1
鈮?0
4
8.
鍦ㄦ皑婧舵恫涓姞鍏ユ阿姘у寲閽狅紝浣匡細
锛?/p>
锛?/p>
銆?/p>
A.
婧舵恫
OH
锛?
娴撳害鍙樺皬
B. NH
3
鐨?/p>
K
b
鍙樺皬
C.NH
3
鐨?/p>
伪
闄嶄綆
D. pH
鍊煎彉灏?/p>
9.
鏌愮⒈鏍蜂互閰氶厼浣滄寚绀哄墏锛岀敤鏍囧噯
HCl
婧舵恫婊村畾鍒扮粓鐐规椂鑰楀幓
V
1
mL
锛岀户浠ョ敳鍩烘浣滄寚绀哄墏鍙堣�楀幓
HCl
婧舵恫
V
2
mL,
鑻?/p>
V
2
锛?/p>
V
1
锛屽垯璇ョ⒈鏍锋憾娑叉槸
A.Na
2
CO
3
B.NaOH
C.NaHCO
3
D.NaOH+Na
2
CO
3
10.Na
2
CO
3
鍜?/p>
NaHCO
3
娣峰悎鐗╁彲鐢?/p>
HCl
鏍囧噯婧舵恫鏉ユ祴瀹氾紝娴嬪畾杩囩▼涓敤鍒扮殑涓ょ鎸囩ず鍓傛槸锛?/p>
锛?/p>
銆?/p>