1
銆佹牴鎹寲瀛﹀弽搴旂殑鍒嗙被
,
婊村畾鍒嗘瀽娉曞彲鍒嗕负
________
銆?/p>
________
銆?/p>
________
銆?/p>
________
銆佸洓
绉嶆淮瀹氭硶銆?/p>
2
銆佹爣瀹?/p>
HCl
婧舵恫鐨勬祿搴︽椂锛屽彲鐢?/p>
Na
2
CO
3
鎴栫〖鐮備负鍩哄噯鐗╄川锛岃嫢
Na
2
CO
3
鍚告按锛屽垯鏍囧畾缁撴灉
__________
锛涜嫢纭肩爞缁撴櫠姘撮儴鍒嗗け鍘伙紝鍒欐爣瀹氱粨鏋?/p>
__________
锛涳紙浠ヤ笂涓ら」濉棤褰卞搷銆佸亸楂樸�?/p>
鍋忎綆锛夎嫢涓よ�呭潎淇濆瓨濡ュ綋锛屼笉瀛樺湪涓婅堪闂锛屽垯閫?/p>
__________
浣滀负鍩哄噯鐗╁ソ锛屽師鍥犱负
_________________________________
銆?/p>
3
銆?/p>
绉板彇绾殑
K
2
Cr
2
O
7
5.8836g
锛?/p>
閰嶅埗鎴?/p>
1000
锝?/p>
L
婧舵恫锛?/p>
鍒欐婧舵恫鐨?/p>
c
锕?/p>
K
2
Cr
2
O
7
锕氫负
_______mol/L
锛?/p>
C
锕?/p>
1/6 K
2
Cr
2
O
7
锕氫负
_________mol/L
锛涳即
K
2
Cr
2
O
7
/Fe
涓?/p>
___________g/
锝?/p>
L
锛涳即
K
2
Cr
2
O
7
/Fe
2
O
3
涓?/p>
__________g/
锝?/p>
L
锛涳即
K
2
Cr
2
O
7
//Fe
3
O
4
______________g/
锝?/p>
L
銆?/p>
4
銆佹淮瀹氱鍦ㄨ鏍囧噯婧舵恫鍓嶉渶瑕佺敤璇ユ憾娑叉礂娑?/p>
________
娆?/p>
,
鍏剁洰鐨?/p>
________
銆?/p>
5
銆侀厤鍒舵爣鍑嗘憾娑茬殑鏂规硶涓�鑸湁
________
銆?/p>
________
涓ょ銆?/p>
6
銆佹淮瀹氭柟寮忔湁
________
銆?/p>
________
銆?/p>
________
銆?/p>
________
鍥涚銆?/p>
7
銆佸父鐢ㄤ簬鏍囧畾
HCl
婧舵恫娴撳害鐨勫熀鍑嗙墿璐ㄦ湁
____________
鍜?/p>
___________
锛涘父鐢ㄤ簬鏍囧畾
NaOH
婧舵恫娴撳害鐨勫熀鍑嗙墿璐ㄦ湁
__________
鍜?/p>
___________
銆?/p>
8
銆佺⒈婊村畾娉曟祴瀹?/p>
Na
2
B
4
O
7
路
10H
2
O
锛?/p>
B
锛?/p>
B
2
O
3
锛?/p>
NaBO
2
路
H
2
O
鍥涚鐗╄川锛屽畠浠潎鎸夊弽搴斿紡
B
4
O
7
2-
+2H+ +5H
2
O =4H
3
BO
3
杩涜鍙嶅簲锛岃娴嬬墿涓庨棿鐨勭墿璐ㄧ殑閲忎箣姣斿垎鍒负
____________
銆?/p>
____________
銆?/p>
___________
銆?/p>
____________
銆?/p>
1.
閰哥⒈婊村畾娉曘�侀厤浣嶆淮瀹氭硶銆佹哀鍖栬繕鍘熸淮瀹氭硶銆佹矇娣�婊村畾娉曘�?/p>
2.
鍋忛珮銆佸亸浣庛�佺〖鐮傘�佺洂閰镐笌涓よ�呭潎鎸?/p>
1/2
璁￠噺姣旇繘琛屽弽搴旓紝纭肩爞鐨勬懇灏旇川閲忓ぇ绉伴噺鏃剁浉瀵硅宸?/p>
灏忋�?/p>
3.0.02000 mol/L
锛?/p>
0.1200 mol/L
锛?/p>
6.702*10
-3
g/mL
锛?/p>
9.582*10
-3
g/mL
锛?/p>
9.260*10
-3
g/mL
銆?/p>
4.3
锛涢櫎鍘诲唴澹佹畫鐣欑殑姘村垎
,
纭繚鏍囧噯婧舵恫鐨勬祿搴︺�?/p>
5.
鐩存帴娉曞拰鏍囧畾娉曘�?/p>
6.
鐩存帴婊村畾娉曘�佽繑婊村畾娉曘�佺疆鎹㈡淮瀹氭硶銆侀棿鎺ユ淮瀹氭硶銆?/p>
7.
纰抽吀閽犲拰纭肩爞锛屼簩姘村悎鑽夐吀鍜岄偦鑻簩鐢查吀姘㈤捑銆?/p>
8.1:2
锛?/p>
2:1
锛?/p>
1:1
锛?/p>
2:1
銆?/p>
杩斿洖
1
銆佷娇鐢ㄧ⒈寮忔淮瀹氱姝ｇ‘鐨勬搷浣滄槸锛?/p>
锛?/p>
A
銆佸乏鎵嬫崗浜庣◢浣庝簬鐜荤拑鐝犺繎鏃?/p>
B
銆佸乏鎵嬫崗浜庣◢楂樹簬鐜荤拑鐝犺繎鏃?/p>
C
銆佸彸鎵嬫崗浜庣◢浣庝簬鐜荤拑鐝犺繎鏃?/p>
D
銆佸彸鎵嬫崗浜庣◢楂樹簬鐜荤拑鐝犺繎鏃?/p>
2
銆侀吀寮忔淮瀹氱灏栭儴鍑哄彛琚鼎婊戞补閰牭濉烇紝蹇�熸湁鏁堢殑澶勭悊鏂规硶鏄紙
锛?/p>
A
銆佺儹姘翠腑娴告场骞剁敤鍔涗笅鎶?/p>
B
銆佺敤缁嗛搧涓濋�氬苟鐢ㄦ按鍐叉礂
C
銆佽婊℃按鍒╃敤姘存煴鐨勫帇鍔涘帇鍑?/p>
D
銆佺敤娲楄�崇悆瀵瑰惛
3
銆佸鍙戠幇瀹归噺鐡舵紡姘达紝鍒欏簲锛?/p>
锛?/p>