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涓撻
9.1
寮辩數瑙ｈ川鐨勭數绂诲钩琛?/p>
锛堟祴璇曟椂闂?/p>
60
鍒嗛挓锛屾弧鍒?/p>
100
鍒嗭級
寰楀垎锛?/p>
鐝骇锛?/p>
濮撳悕锛?/p>
涓�銆侀�夋嫨棰?/p>
(
鏈鍖呮嫭
10
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
50
鍒?/p>
)
1
锛庝笅鍒楄娉曚腑涓?/p>
锛?
姝ｇ‘鐨勬槸
锛?/p>
锛?/p>
鈶犲皢
BaSO
4
鏀惧叆姘翠腑涓嶈兘瀵肩數锛屾墍浠?/p>
BaSO
4
鏄潪鐢佃В璐?/p>
鈶℃皑婧朵簬姘村緱鍒扮殑婧舵恫姘ㄦ按鑳藉鐢碉紝鎵�浠ユ皑姘存槸鐢佃В璐?/p>
鈶㈠浐鎬佸叡浠峰寲鍚堢墿涓嶅鐢碉紝鐔旇瀺鎬佺殑鍏变环鍖栧悎鐗╁彲浠ュ鐢?/p>
鈶ｅ浐鎬佺殑绂诲瓙鍖栧悎鐗╀笉
瀵肩數锛岀啍铻嶆�佺殑绂诲瓙鍖栧悎鐗╀篃涓嶅鐢?/p>
鈶ゅ己鐢佃В璐ㄦ憾娑茬殑瀵肩數鑳藉姏涓�瀹氭瘮寮辩數瑙ｈ川婧舵恫
鐨勫鐢佃兘鍔涘己
A
锛庘憼鈶?/p>
B
锛庘憼鈶ｂ懁
C
锛庘憼鈶♀憿鈶?nbsp; D锛庘憼鈶♀憿鈶ｂ懁
銆愮瓟妗堛�?/p>
D
2
锛?/p>
銆愬北涓滄灒搴勪笁涓?/p>
2016
灞?/p>
10
鏈堟湀鑰冦�?/p>
鏌愭俯搴︿笅锛?/p>
pH=11
鐨勬皑姘村拰
NaOH
婧舵恫鍒嗗埆鍔犳按绋�
閲?/p>
100
鍊?/p>
锛?/p>
婧?/p>
娑?/p>
鐨?/p>
pH
闅?/p>
婧?/p>
娑?/p>
浣?/p>
绉?/p>
鍙?/p>
鍖?/p>
鐨?/p>
鏇?/p>
绾?/p>
濡?/p>
鍥?/p>
鎵�
绀?/p>
銆?/p>
鎹?/p>
鍥?/p>
鍒?/p>
鏂?/p>
閿?/p>
璇?/p>
鐨?/p>
鏄?/p>
锛?/p>
锛?/p>
A
锛?/p>
a
鐨勬暟鍊间竴瀹氬ぇ浜?/p>
9
B
锛庘叀涓烘皑姘寸█閲婃椂婧舵恫鐨?/p>
pH
鍙樺寲鏇茬嚎
C
锛庣█閲婂悗姘ㄦ按涓按鐨勭數绂荤▼搴︽瘮
NaOH
婧舵恫涓按鐨勭數绂荤▼搴﹀ぇ
D
锛庡畬鍏ㄤ腑鍜岀█閲婂悗鐩稿悓浣撶Н鐨勪袱婧舵恫鏃讹紝娑堣�楃浉鍚屾祿搴︾殑绋�纭吀鐨勪綋绉?/p>
V(NaOH)<V(
姘?/p>
姘达級
銆愮瓟妗堛�?/p>
C