鎶变經鑴氾紝璁板繂娴嬭瘯
绗竴閮ㄥ垎
绗笁绔?/p>
1.
涓嬪垪鏈夊叧缃俊鍖洪棿鐨勬弿杩颁腑锛屾纭殑鏈夛細锛?/p>
锛?/p>
A.
鍦ㄤ竴瀹氱疆淇″害鏃讹紝浠ユ祴閲忓�肩殑骞冲潎鍊间负涓績鐨勫寘鎷湡鍊肩殑鑼?/p>
鍥村嵆涓虹疆淇″尯闂?/p>
B.
鐪熷�艰惤鍦ㄦ煇涓�鍙潬鍖洪棿鐨勫嚑鐜囧嵆浣嶇疆淇″尯闂?/p>
C.
鍏朵粬鏉′欢涓嶅彉鏃讹紝缁欏畾鐨勭疆淇″害瓒婇珮锛屽钩鍧囧�肩殑缃俊鍖洪棿瓒婂
2.
甯搁噺鍒嗘瀽涓紝瀹為獙鐢ㄧ殑浠櫒鏄垎鏋愬ぉ骞冲拰
50 mL
婊村畾绠★紝鏌愬鐢?/p>
灏嗙О鏍峰拰婊村畾鐨勬暟鎹涓?/p>
0.31 g
鍜?/p>
20.5 mL
锛屾纭殑璁板綍搴斾负
g
鍜?/p>
mL
銆?/p>
3.
涓嬪垪鏁版嵁涓湁鏁堟暟瀛椾负浜屼綅鐨勬槸锛?/p>
锛?/p>
(A) [H
+
]=10
-7.0
(B) pH=7.0
(C) lg
K
=27.9
(D)
lg
K
=27.94
4.
灏嗕笅鍒楁暟鎹慨绾︿负鍥涗綅鏈夋晥鏁板瓧
(0.2546)
鐨勬槸锛?/p>
锛?/p>
(A) 0.25454
(B) 0.254549
(C) 0.25465
(D) 0.254651
5.
褰撴祴瀹氭鏁颁笉澶氭椂锛屽钩鍧囧�肩殑鏍囧噯鍋忓樊闅忔祴瀹氭鏁板鍔犺�?/p>
锛屼篃灏辨槸璇村钩鍧囧�肩殑绮惧瘑搴﹀簲姣斿崟娆℃祴瀹氱殑绮惧瘑搴?/p>
銆傚疄闄?/p>
宸ヤ綔涓紝涓�鑸钩琛屾祴瀹?/p>
娆″嵆鍙�?/p>
6.
娴嬪畾鏌愰挍鐭夸腑
TiO
2
鐨勮川閲忓垎鏁帮紝
6
娆″垎鏋愮粨鏋滅殑骞冲潎鍊间负
58.66%
锛?/p>
s = 0.07 %
锛屾眰鎬讳綋骞冲潎鍊肩殑缃俊鍖洪棿
(
t
0.05 , 5
= 2.57)
銆?/p>
銆?/p>
7.
鑻ュ凡鐭ヤ竴缁勬祴閲忔暟鎹殑鎬讳綋鏍囧噯鍋忓樊蟽锛岃妫�鏌ヨ缁勬暟鎹槸鍚︾鍚堟鎬佸垎甯冿紝鍒欏簲鐢紙
锛夋柟娉曟楠屻�?/p>
8.
鏈変袱缁勫垎鏋愭暟鎹紝瑕佹瘮杈冨畠浠殑绮惧瘑搴︽湁鏃犳樉钁楁�у樊寮傦紝鍒欏簲褰撶敤锛?/p>
锛夋楠屻�?/p>
9.
浠ヤ笅鍚勭鎺柦涓紝鍑忓皬绯荤粺璇樊鐨勬帾鏂斤紵
A)
杩涜浠櫒鏍″噯
B)
鍋氬鐓у疄楠?/p>
C)
鍋氱┖鐧藉疄楠?/p>
D)
澧炲姞骞宠璇曢獙娆℃暟
绗?/p>
5
绔?/p>
1.
寮虹⒈婊村畾寮遍吀鏃讹紝鍙湁鍦ㄤ笅鍒楀摢绉嶆儏鍐典笅锛屽彲浠ョ洿鎺ユ淮瀹?/p>
A
锛?/p>
c =0.1mol
锛?/p>
L;
B. Ka=10
-7
;
C. cKa鈮?0
-8
;
D. Ka鈮?0
-8
;
E. cKa鈮?0
-8