娴欐睙鐪佹澀宸炲競
2020
骞撮珮鑰冨寲瀛︽ā鎷熷懡棰樻瘮璧涜瘯鍗凤紙
18
锛夊強绛旀
锛堟弧鍒?/p>
100
鍒嗭紝鑰冭瘯鏃堕棿涓?/p>
50
鍒嗛挓锛?/p>
鐩稿鍘熷瓙璐ㄩ噺锛?/p>
N 14 O 16 Na 23 Cl 35.5 39 Fe 56 Cu 64 Pb 207
涓�銆侀�夋嫨棰橈紙鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝鍙湁涓�椤规槸绗﹀悎棰樼洰瑕佹眰鐨勶紝鍏?/p>
42
鍒嗭級
1.
閽ㄥ睘浜庢湁鑹查噾灞烇紝鏄埅澶╁拰鍐涗簨涓婇噸瑕佺殑鎴樼暐閲戝睘锛岄挩鐭垮湪鍙や唬琚О涓衡�滈噸鐭斥�?/p>
銆傛垜鍥芥槸浜ч挩澶у浗锛岄挩
璧勬簮涓板瘜锛屼笅鍥句负榛戦挩鐭?/p>
(FeMnWO
4
)
鍒跺鍖栧绾?/p>
WO
3
鐨勪竴绉嶅伐鑹烘祦绋嬨�?/p>
婧舵恫
A
NaOH
锛?/p>
aq
锛?/p>
閽ㄩ吀閽?/p>
鍑�鍖栧鐞?/p>
钂稿彂缁撴櫠
榛戦挩鐭?/p>
鎿嶄綔
A
娈嬫福
娈嬫福
鎿嶄綔
B
鎿嶄綔
C
浠查挩閰搁挔
鍖栧绾?/p>
WO
3
涓嬪垪璇存硶涓敊璇殑鏄紙
锛?/p>
A
锛庢搷浣?/p>
A
鍜屾搷浣?/p>
B
鍧囦负杩囨护銆佹礂娑ゆ搷浣滐紝鎿嶄綔
C
涓洪珮娓╃剻鐑?/p>
B
锛庤嫢浠查挩閰搁摰鐨勫寲瀛﹀紡涓?/p>
(NH
4
)
6
W
7
O
2
4
路
6H
2
O
C
锛庡垎鍒兂涓婅堪鎵�寰楃殑娈嬫福涓姞鍏ョ閰革紝鐒跺悗鍔犲叆
SCN
婧舵恫锛屾憾娑插彉涓虹孩鑹诧紝璇佹槑榛戦挩鐭夸腑鍚湁
Fe
D
锛庢憾娑?/p>
A
涓彲浠ラ�夌敤
(NH
4
)
2
SO
4
鎴?/p>
NH
4
Cl
婧舵恫锛屼絾宸ヤ笟鐢熶骇涓�鑸娇鐢?/p>
NH
4
Cl
锛屽洜涓?/p>
NH
4
Cl
鍙楃儹鏄撳垎瑙?/p>
3.
涓嬪垪璇存硶姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庤憽钀勭硸鍙�氳繃閰掑寲閰舵按瑙ｇ敓鎴愰厭绮?/p>
B
锛庡垎瀛愬紡涓?/p>
CH
4
O
鍜?/p>
C
2
H
6
O
鐨勭墿璐ㄤ竴瀹氫簰涓哄悓绯荤墿
C
锛庡悜妞嶇墿娌逛腑鍔犲叆閰告�ч珮閿伴吀閽剧传鑹叉憾娑诧紝鎸崱鍚庯紝閰告�ч珮閿伴吀閽炬憾娑查鑹茶お鍘?/p>
D
锛庢穩绮夋憾娑蹭笌绋�纭吀婧舵恫鍏辩儹锛屽啀鍔犲叆鏂板埗姘㈡哀鍖栭摐鎮祳娑插姞鐑紝鏃犵孩鑹叉矇娣�锛屽垯鍙瘉鏄庢穩绮夋病鏈夋按瑙?/p>
5.
銆?/p>
2013
骞村畨寰界悊缁兼敼缂栥�戠儹婵�娲荤數姹犲彲鐢ㄤ綔鐏銆佸寮圭殑宸ヤ綔鐢垫簮銆備竴绉嶇儹婵�娲荤數姹犵殑鍩烘湰缁撴瀯濡傚浘鎵�
绀猴紝鍏朵腑浣滀负鐢佃В璐ㄧ殑鏃犳按
LiCl-Cl
娣峰悎鐗╁彈鐑啍铻嶅悗锛岀數姹犲嵆鍙灛闂磋緭鍑虹數鑳姐�傝鐢垫睜鎬诲弽搴斾负锛?/p>
PbSO
4
+2LiCl+Ca = CaCl
2
+Li
2
SO
4
+Pb
銆備笅鍒楁湁鍏宠娉曟纭殑鏄紙
锛?/p>
A
锛庢瘡杞Щ
0.1mol
鐢靛瓙锛岀悊璁轰笂鐢熸垚
20.7g Pb
B
锛庡父娓╂椂锛屽湪姝ｈ礋鏋侀棿鎺ヤ笂鐢垫祦琛ㄦ垨妫�娴佽锛屾寚閽堜笉鍋忚浆
C
锛庢鏋佸弽搴斿紡锛?/p>
Pb
2+
+2e-=Pb