2019
骞撮棬澶存矡鍖洪珮涓夊勾绾ф娊鏍锋祴璇?/p>
鐞嗙缁煎悎鑳藉姏娴嬭瘯
锛堝寲瀛︼級
6
锛?/p>
鈥滃垎绫烩�濇槸涓�绉嶆�濇兂鏂规硶锛屽湪鍖栧鍙戝睍涓捣鍒颁簡閲嶈浣滅敤銆備笅鍒楀垎绫绘爣鍑嗗悎鐞嗙殑鏄?/p>
鈶犳牴鎹按婧舵恫鑳藉惁瀵肩數灏嗗寲鍚堢墿鍒嗕负鐢佃В璐ㄥ拰闈炵數瑙ｈ川
鈶℃牴鎹弽搴斾腑鏄惁鏈夌數瀛愮殑杞Щ灏嗗寲瀛﹀弽搴斿垎涓烘哀鍖栬繕鍘熷弽搴斿拰闈炴哀鍖栬繕鍘熷弽搴?/p>
鈶㈡牴鎹垎鏁ｇ郴鏄惁鍏锋湁涓佽揪灏旂幇璞″皢鍒嗘暎绯诲垎涓烘憾娑层�佽兌浣撳拰娴婃恫
鈶ｆ牴鎹弽搴斾腑鐨勭儹鏁堝簲灏嗗寲瀛﹀弽搴斿垎涓烘斁鐑弽搴斿拰鍚哥儹鍙嶅簲
A
锛庘憽鈶?/p>
B
锛庘憼鈶?/p>
C
锛庘憼鈶?/p>
D
锛庘憿鈶?/p>
7
锛庡凡鐭?/p>
X
銆?/p>
Y
銆?/p>
Z
銆?/p>
W
鍥涚鐭懆鏈熷厓绱犲湪鍛ㄦ湡琛ㄤ腑鐨勭浉瀵逛綅缃鍥炬墍绀猴紝涓嬪垪璇存硶姝ｇ‘鐨勬槸
A
锛?/p>
Z
鍏冪礌鐨勫師瀛愬崐寰勫彲鑳芥瘮
Y
鍏冪礌鐨勫皬
B
锛?/p>
W
鐨勫師瀛愬簭鏁板彲鑳芥槸
Y
鐨勫師瀛愬簭鏁扮殑
2
鍊?/p>
C
锛?/p>
W
鐨勬皵鎬佹阿鍖栫墿鐨勭ǔ瀹氭�т竴瀹氭瘮
Y
鐨勫己
D
锛?/p>
Z
鐨勫寲瀛︽椿娉兼�т竴瀹氭瘮
X
寮?/p>
8
锛庝笅鍒楀彊杩颁腑鐨勫墠鍚庝袱涓噺涔嬫瘮涓?/p>
1
锛?/p>
2
鐨勬槸
A
锛庢恫闈㈠湪
鈥?/p>
0
鈥?/p>
鍒诲害鏃讹紝
25mL
纰卞紡婊村畾绠″拰
50mL
纰卞紡婊村畾绠℃墍鐩涙恫浣撶殑浣撶Н
B
锛庣浉鍚屾俯搴︿笅锛?/p>
0.1mol /L
涔欓吀婧舵恫涓?/p>
0.2mol /L
涔欓吀婧舵恫涓紝
c
锛?/p>
H
+
锛変箣姣?/p>
C
锛庢皑姘翠笌
(NH
4
)
2
SO
4
婧舵恫娣峰悎鍚?/p>
pH=7
鐨勬憾娑蹭腑锛?/p>
c
锛?/p>
NH
飥?
4
锛?/p>
锛?/p>
c
锛?/p>
SO
飥?
2
4
锛?/p>
D
锛庣浉鍚屾俯搴︿笅锛?/p>
pH=12
鐨?/p>
Ba(OH)
2
涓?/p>
pH=12
鐨?/p>
KOH
婧舵恫涓紝
c
銆?/p>
锛?/p>
Ba(OH)
2
銆?/p>
锛?/p>
c
锛?/p>
KOH
锛?/p>
9
锛庡叧浜庝笅鍒楀悇瑁呯疆鍥剧殑鍙欒堪涓紝姝ｇ‘鐨勬槸
A
锛庤嫢閲囩敤瑁呯疆鈶犵簿鐐奸摐锛屽垯
a
鏋佷负绾摐锛?/p>
b
鏋佷负绮楅摐锛岀數瑙ｈ川婧舵恫涓?/p>
CuSO
4
婧舵恫
B
锛庤缃憽鏄師鐢垫睜锛岃兘灏嗗寲瀛﹁兘杞寲涓虹數鑳斤紝閿岀數鏋佸彂鐢熻繕鍘熷弽搴?/p>
C
锛庤缃憿涓?/p>
X
鑻ヤ负鍥涙隘鍖栫⒊锛屽垯姝よ缃彲鐢ㄤ簬鍚告敹姘ㄦ皵锛屽苟闃叉鍊掑惛
D
锛庤缃懀鍙敤浜庡疄楠屽閰嶇疆涓�瀹氱墿璐ㄧ殑閲忔祿搴︾殑绋�纭吀
X
Y
Z
W