1
鍒嗘瀽鍖栧缁冧範棰樺強绛旀
涓�銆?/p>
閫夋嫨棰橈細
1
锛庢煇寮辩⒈
MOH
鐨?/p>
Kb=1.0
脳
10
-5
锛屽叾
0.10mol
路
l
-1
婧舵恫鐨?/p>
pH
鍊间负
锛?/p>
D
锛?/p>
A
锛?/p>
3
锛?/p>
00 B
锛?/p>
5.00 C
锛?/p>
9.00 D
锛?/p>
11.00
2.
涓嬪垪婊村畾涓彧鍑虹幇涓�涓淮瀹氱獊璺冪殑鏄?/p>
锛?/p>
C
锛?/p>
A
锛?/p>
HCl
婊村畾
Na
2
CO
3
B
锛?/p>
HCl
婊村畾
NaOH+Na
3
PO
4
C
锛?/p>
NaOH
婊村畾
H
2
C
2
O
4
D
锛?/p>
NaOH
婊村畾
H
3
PO
4
3
锛?/p>
鐢ㄥ弻鎸囩ず鍓傛硶娴嬫煇纰辨牱鏃讹紝
鑻?/p>
V
1
锛?/p>
V
2
锛?/p>
鍒欑粍鎴愪负
锛?/p>
A
锛?/p>
A
锛?/p>
NaOH+Na
2
CO
3
B
锛?/p>
NaOH C
锛?/p>
Na
2
CO
3
D
锛?/p>
Na
2
CO
3
+NaHCO
3
4.
鍦?/p>
Ca
2+
銆?/p>
Mg
2+
銆?/p>
Fe
3+
銆?/p>
Al
3+
娣峰悎婧舵恫涓紝鐢?/p>
EDTA
娴嬪畾
Fe
3+
銆?/p>
Al
3+
鍚噺鏃讹紝涓轰簡娑堥櫎
Ca
2+
銆?/p>
Mg
2+
鐨勫共鎵帮紝
鏈�绠�渚跨殑鏂规硶鏄?/p>
锛?/p>
B
锛?/p>
A
锛庢矇娣�鍒嗙娉?/p>
B
锛庢帶鍒堕吀搴︽硶
C
锛庨厤浣嶆帺钄芥硶
D
锛庢憾鍓傝悆鍙栨硶
5
锛?/p>
鏈変簺鎸囩ず鍓傚彲瀵艰嚧
EDTA
涓?/p>
MIn
涔嬮棿鐨勭疆鎹㈠弽搴旂紦鎱㈢粓鐐规嫋闀匡紝
杩欏睘浜庢寚绀哄墏
鐨?/p>
锛?/p>
B
锛?/p>
A
锛庡皝闂幇璞?/p>
B
锛庡兊鍖栫幇璞?/p>
C
锛庢哀鍖栧彉璐ㄧ幇璞?/p>
D
锛庡叾瀹冪幇璞?/p>
6
锛?/p>
涓嬪垪灞炰簬鑷韩鎸囩ず鍓傜殑鏄?/p>
锛?/p>
C
锛?/p>
A
锛庨偦浜屾爱鑿?/p>
B
锛庢穩绮夋寚绀哄墏
C
锛?/p>
KMnO
4
D
锛庝簩鑻兒纾洪吀
閽?/p>
7
锛?/p>
楂橀敯閰告牴涓庝簹閾佸弽搴旂殑骞宠 甯告暟鏄?/p>
锛?/p>
C
锛?/p>
[
宸茬煡
E
蠁
锛?/p>
MnO
4
飥?/p>
/Mn
2+
锛?/p>
=1.51V
锛?/p>
E
蠁
锛?/p>
Fe
3+
/Fe
2+
锛?/p>
=0.77V]
A
锛?/p>
320.0 B
锛?/p>
3.4
脳
10
12
C
锛?/p>
5.2
脳
10
62
D
锛?/p>
4.2
脳
10
53
8.
涓嬪垪鍥涚绂诲瓙涓紝涓嶉�備簬鐢ㄨ帿灏旀硶锛屼互
AgNO
3
婧舵恫鐩存帴婊村畾鐨勬槸
锛?/p>
D
锛?/p>
A
锛?/p>
Br
-
B
锛?/p>
Cl
-
C
锛?/p>
CN
-
D
锛?/p>
I
-
9.
浠?/p>
K
2
CrO
4
涓烘寚绀哄墏娴嬪畾
Cl
-
鏃跺簲鎺у埗鐨勯吀搴︿负
锛?/p>
B
锛?/p>
A
锛?/p>
PH
涓?/p>
11
鈥?/p>
13 B
锛?/p>
PH
涓?/p>
6.5
鈥?/p>
10.0 C
锛?/p>
PH
涓?/p>
4
鈥?/p>
6 D
锛?/p>
PH
涓?/p>
1
鈥?/p>
3
10.
鐢?/p>
BaSO
4
娌夋穩娉曟祴
S
2-
鏃讹紝鏈?/p>
Na
2
SO
4
鍏辨矇娣�锛屾祴瀹氱粨鏋?/p>
锛?/p>
A
锛?/p>
A
锛庡亸浣?/p>
B
锛庡亸楂?/p>
C
锛庢棤褰卞搷
D
锛庢棤娉曠‘瀹?/p>
11
锛庢祴瀹氶搧鐭跨煶閾佸惈閲忔椂锛岃嫢娌夋穩鍓備负
Fe(OH)
3
,
绉伴噺褰负
Fe
2
O
3
锛屼互
Fe
3
O
4
琛ㄧず鍒?