鍒嗘瀽鍖栧娴嬭瘯鍗?/p>
涓�
.
閫夋嫨锛?/p>
40
鍒嗭級
1
锛庡畾閲忓垎鏋愮粨鏋滅殑鏍囧噯鍋忓樊浠ｈ〃鐨勬槸锛?/p>
C
锛?/p>
銆?/p>
A.
鍒嗘瀽缁撴灉鐨勫噯纭害
B.
鍒嗘瀽缁撴灉鐨勭簿瀵嗗害鍜屽噯纭害
C.
鍒嗘瀽缁撴灉鐨勭簿瀵嗗害
D.
骞冲潎鍊肩殑缁濆璇樊
2
锛庝笅鍒楀摢绉嶆儏鍐靛簲閲囩敤杩旀淮瀹氭硶锛?/p>
C
锛?/p>
銆?/p>
A.
鐢?/p>
AgNO
3
鏍囧噯婧舵恫娴嬪畾
NaCl
璇曟牱鍚噺
B.
鐢?/p>
HCl
鏍囧噯婧舵恫娴嬪畾
Na
2
CO
3
璇曟牱鍚噺
C.
鐢?/p>
EDTA
鏍囧噯婧舵恫娴嬪畾
Al
3+
璇曟牱鍚噺
D.
鐢?/p>
Na
2
S
2
O
3
鏍囧噯婧舵恫娴嬪畾
K
2
Cr
2
O
7
璇曟牱鍚噺
3
锛庝笅鍒楀悇椤瑰彊杩颁腑涓嶆槸婊村畾鍒嗘瀽瀵瑰寲瀛﹀弽搴旇姹傜殑鏄紙
D
锛?/p>
銆?/p>
A.
鍙嶅簲蹇呴』鏈夌‘瀹氱殑鍖栧璁￠噺鍏崇郴
B.
鍙嶅簲蹇呴』瀹屽叏
C.
鍙嶅簲閫熷害瑕佸揩
D.
鍙嶅簲鐗╃殑鎽╁皵璐ㄩ噺瑕佸ぇ
4
锛庝笅鍒楀彊杩颁腑閿欒鐨勬槸锛?/p>
B
锛?/p>
銆?/p>
A. K
2
CrO
4
鎸囩ず鍓傛硶锛屽湪婧舵恫
pH=12
鏃讹紝鐢?/p>
AgNO
3
鏍囧噯婧舵恫婊村畾鍚?/p>
Cl
-
璇曟牱锛屼細浜х敓姝ｈ宸?/p>
B.
鍏辨矇娣�銆佸悗娌夋穩鍜屽潎鍖�娌夋穩閮戒細浣挎祴瀹氱粨鏋滀骇鐢熸璇樊
C.
鍋剁劧璇樊鍙�氳繃澧炲姞娴嬪畾娆℃暟鍑忓皬
D.
鍦ㄦ秷闄ょ郴缁熻宸悗锛岀簿瀵嗗害楂樼殑缁撴灉锛屽叾鍑嗙‘搴︿竴瀹氶珮
5
锛庨噸閲忓垎鏋愭硶娴嬪畾
0.5126 g Pb
3
O
4
璇曟牱鏃讹紝鐢ㄧ洂閰告憾瑙ｆ牱鍝侊紝鏈�鍚庤幏寰?/p>
0.4657 g PbSO
4
娌夋穩锛屽垯鏍峰搧涓?/p>
Pb
鐨勭櫨鍒嗗惈閲忎负锛?/p>
C
锛?/p>
銆?/p>
锛堝凡鐭?/p>
Pb
3
O
4
=685.6
锛?/p>
PbSO
4
=303.26
锛?/p>
Pb=207.2
锛?/p>
銆?/p>
A. 82.4%
B. 93.1%
C. 62.07%
D. 90.8%
6
锛庣敤鍚皯閲?/p>
NaHCO
3
鐨勫熀鍑?/p>
Na
2
CO
3
鏍囧畾鐩愰吀婧舵恫鏃讹紙鎸囩ず鍓傚彉鑹茬偣涓?/p>
pH5.1
锛?/p>
锛岀粨鏋滃皢锛?/p>
D
锛?/p>
銆?/p>
A.
鍋忎綆
B.
涓嶇‘瀹?/p>
C.
鏃犺宸?/p>
D.
鍋忛珮
鍒嗘瀽锛?/p>
m
涓嶅彉锛屼絾娑堣�楃洂閰哥殑
V
鍑忓皬锛岀敱
m/M =CV
锛屽垯
C
澧炲ぇ
7
锛庣閲忔硶娴嬪畾婕傜櫧绮変腑鏈夋晥姘椂锛屽叾涓昏鎴愬垎
CaCl
锛?/p>
OCl
锛変笌
Na
2
S
2
O
3
鐨?
鐗╄川鐨勯噺姣斾负锛?/p>
B
锛?/p>
A. 2:1
B. 1: 2
C. 1: 1
D. 3: 1
8
锛庣７閰哥殑
pKa
1
锛?/p>
2.12
锛?/p>
pKa
2
锛?/p>
7.21
锛?/p>
pKa
3
锛?/p>
12.66
銆傚綋鐢?/p>
0.200mol/L NaOH