1
锛庡疄楠屽甯哥敤
MnO
2
涓庢祿鐩愰吀鍙嶅簲鍒跺
Cl
2
锛堝彂鐢熻缃鍙冲浘鎵�绀猴級銆?/p>
(1)
鍒跺瀹為獙寮�濮嬫椂锛屽厛妫�鏌ヨ缃皵瀵嗘�э紝鎺ヤ笅鏉ョ殑鎿嶄綔渚濇鏄?/p>
锛堝～搴忓彿锛?/p>
A.
寰�鐑х摱涓姞浜?/p>
MnO
2
绮夋湯
B.
鍔犵儹
C.
寰�鐑х摱涓姞浜烘祿鐩愰吀
(2)
鍒跺鍙嶅簲浼氬洜鐩愰吀娴撳害涓嬮檷鑰屽仠姝€�?/p>
涓烘祴瀹氬弽搴旀畫浣欐恫涓洂閰哥殑娴撳害锛?/p>
鎺㈢┒灏忕粍鍚屽鎻愬嚭涓嬪垪
瀹為獙鏂规锛?/p>
鐢叉柟妗堬細涓庤冻閲?/p>
AgNO
3
婧舵恫鍙嶅簲锛岀О閲忕敓鎴愮殑
AgCl
璐ㄩ噺銆?/p>
涔欐柟妗堬細閲囩敤閰哥⒈涓拰婊村畾娉曟祴瀹氥�?/p>
涓欐柟妗堬細涓庡凡鐭ラ噺
CaCO
3
锛堣繃閲忥級鍙嶅簲锛岀О閲忓墿浣欑殑
CaCO
3
璐ㄩ噺銆?/p>
涓佹柟妗堬細涓庤冻閲?/p>
Zn
鍙嶅簲锛屾祴閲忕敓鎴愮殑
H
2
浣撶Н銆?/p>
缁ц�岃繘琛屼笅鍒楀垽鏂拰瀹為獙锛?/p>
鈶?/p>
鍒ゅ畾鐢叉柟妗堜笉鍙锛岀悊鐢辨槸
銆?/p>
鈶?/p>
杩涜涔欐柟妗堝疄楠岋細鍑嗙‘閲忓彇娈嬩綑娓呮恫绋�閲婁竴瀹氬�嶆暟鍚庝綔涓鸿瘯鏍枫�?/p>
a.
閲忓彇璇曟牱
20.00 mL
锛岀敤
0 . 1000 mol
路
L
-1
NaOH
鏍囧噯婧舵恫婊村畾锛屾秷鑰?/p>
22.00mL
锛岃娆?/p>
-1
婊村畾娴嬪緱璇曟牱涓洂閰告祿搴︿负
mol
路
L
b.
骞宠婊村畾鍚庤幏寰楀疄楠岀粨鏋溿�?/p>
鈶?/p>
鍒ゆ柇涓欐柟妗堢殑瀹為獙缁撴灉
锛堝～
鈥?/p>
鍋忓ぇ
鈥?/p>
銆?/p>
鈥?/p>
鍋忓皬
鈥?/p>
鎴?/p>
鈥?/p>
鍑嗙‘
鈥?/p>
锛夈�?/p>
-9
-11
锛诲凡鐭ワ細
Ksp
锛?/p>
CaCO
3
) = 2.8
脳
10
銆?/p>
Ksp
锛?/p>
MnCO
3
) = 2.3
脳
10
鈶?/p>
杩涜涓佹柟妗堝疄楠岋細瑁呯疆濡傚彸鍥炬墍绀猴紙澶规寔鍣ㄥ叿宸茬暐鍘伙級銆?/p>
(i)
浣?/p>
Y
褰㈢涓殑娈嬩綑娓呮恫涓庨攲绮掑弽搴旂殑姝ｇ‘鎿嶄綔鏄皢
杞Щ鍒?/p>
涓�?/p>
(ii)
鍙嶅簲瀹屾瘯锛屾瘡闂撮殧
1
鍒嗛挓璇诲彇姘斾綋浣撶Н锛屾皵浣撲綋绉�愭鍑忓皬锛岀洿鑷充笉鍙樸�傛皵浣撲綋绉�愭鍑忓皬鐨勫師鍥犳槸锛匡紙鎺?/p>
闄や华鍣ㄥ拰瀹為獙鎿嶄綔鐨勫奖鍝嶅洜绱狅級銆?/p>
銆愮瓟妗堛�戯紙
1
锛?/p>
ACB
锛堟寜搴忓啓鍑轰笁椤癸級
锛?/p>
2
锛?/p>
鈶?/p>
娈嬩綑娓呮恫涓紝
n(Cl
-
)
锛?/p>
n(H
+
)(
鎴栧叾浠栧悎鐞嗙瓟妗?/p>
)
鈶?/p>
0.1100
鈶?/p>
鍋忓皬
鈶?/p>
锛?/p>
鈪?/p>
锛?/p>
Zn
绮?/p>
娈嬩綑娓呮恫锛堟寜搴忓啓鍑轰袱椤癸級
锛?/p>
鈪?/p>
锛?/p>
瑁呯疆鍐呮皵浣撳皻鏈喎鑷冲娓?/p>
2
锛庡疄楠屽鍒跺鑻箼閰殑鍖栧鏂圭▼寮忎负锛?/p>
O
O
AlCl
3
CH
3
C
C CH
3
+
O
+
CH
3
C
O
CH
3
O
C
OH
鍒跺杩囩▼涓繕鏈?/p>
CH
3
COOH
+
AlCl
CH
3
COOAlCl
2
+
HCl
鈫?/p>
绛夊壇鍙嶅簲銆?/p>
3
涓昏瀹為獙瑁呯疆鍜屾楠ゅ涓嬶細
锛?/p>
I
锛夊悎鎴愶細鍦ㄤ笁棰堢摱涓姞鍏?/p>
20 g
鏃犳按
AlCl
3
鍜?/p>
30 mL
鏃犳按鑻�備负閬垮厤鍙嶅簲娑插崌娓╄繃蹇紝杈规悈鎷岃竟鎱㈡參婊村姞
6 mL
涔欓吀閰愬拰
10 mL
鏃犳按鑻殑娣峰悎娑诧紝鎺у埗婊村姞閫熺巼锛屼娇鍙嶅簲娑茬紦缂撳洖娴併�傛淮鍔犲畬姣曞悗鍔犵儹鍥炴祦
1
灏忔椂銆?/p>
锛?/p>
鈪?/p>
锛夊垎绂讳笌鎻愮函锛?/p>
鈶?/p>
杈规悈鎷岃竟鎱㈡參婊村姞涓�瀹氶噺娴撶洂閰镐笌鍐版按娣峰悎娑诧紝鍒嗙寰楀埌鏈夋満灞?/p>
鈶?/p>
姘村眰鐢ㄨ嫰钀冨彇锛屽垎娑?/p>
鈶?/p>
灏?/p>
鈶犫憽
鎵�寰楁湁鏈哄眰鍚堝苟锛屾礂娑ゃ�佸共鐕ャ�佽捀鍘昏嫰锛屽緱鍒拌嫰涔欓叜绮椾骇鍝?/p>