涓撻
2
浠庢捣姘翠腑鑾峰緱鐨勫寲瀛︾墿璐?/p>
绗簩鍗曞厓
閽犮�侀晛鍙婂叾鍖栧悎鐗?/p>
绗?/p>
2
璇炬椂
纰抽吀閽犵殑鎬ц川涓庡簲鐢?/p>
璇炬椂璺熻釜妫�娴?/p>
鐭ヨ瘑鐐逛竴
Na
2
CO
3
鍜?/p>
NaHCO
3
鐨勬�ц川
1
锛?/p>
(2018路
娴欐睙閫夎�冨嵎
)
鍙敤浜庢不鐤楄儍閰歌繃澶氱殑鐗╄川鏄?/p>
(
)
A
锛庣⒊閰告阿閽?/p>
B
锛庢隘鍖栭挔
C
锛庢隘鍖栭捑
D
锛庢阿姘у寲閽?/p>
瑙ｆ瀽锛?/p>
纰抽吀姘㈤挔鍙笌鐩愰吀鍙戠敓鍙嶅簲鐢熸垚姘寲閽犲拰姘翠互鍙婁簩姘у寲纰筹紝
鍙敤浜庢不
鐤楄儍閰歌繃澶氾紝
A
姝ｇ‘锛?/p>
NaCl
銆?/p>
KCl
涓嶄笌鐩愰吀鍙嶅簲锛屼笉鑳界敤浜庢不鐤楄儍閰歌繃澶氾紝
B
銆?/p>
C
閿欒锛涙阿姘у寲閽犲叿鏈夋瀬寮虹殑鑵愯殌鎬э紝瀵逛汉浣撴湁瀹筹紝涓嶈兘鐢ㄤ簬娌荤枟鑳冮吀杩囧锛?/p>
D
閿欒銆?/p>
绛旀锛?/p>
A
2
锛庨櫎鍘绘贩鍦ㄧ⒊閰搁挔绮夋湯涓殑灏戦噺纰抽吀姘㈤挔锛屾渶鍚堢悊鐨勬柟娉曟槸
(
)
A
锛庡姞鐑?/p>
B
锛庡姞鍏ユ阿姘у寲閽犳憾娑?/p>
C
锛庡姞鍏ョ洂閰?/p>
D
锛庡姞鍏?/p>
CaCl
2
婧舵恫
瑙ｆ瀽锛?/p>
纰抽吀姘㈤挔鍙楃儹鍒嗚В鐢熸垚纰抽吀閽犮�佹按鍜屼簩姘у寲纰筹紝涓嶅紩鍏ユ柊鐨勬潅璐紝纰?/p>
閰搁挔鐨勯噺澧炲锛屾墍浠ユ渶濂介�?/p>
A
锛涘姞鍏ユ阿姘у寲閽犱笌纰抽吀姘㈤挔鍙嶅簲鐢熸垚纰抽吀閽犲拰姘达紝
鍙兘浼氬紩鍏ユ阿姘у寲閽犳潅璐紝涓嶉�?/p>
B
锛涘姞鍏ョ洂閰革紝纰抽吀閽犲厛鍜岀洂閰稿弽搴旂敓鎴愮⒊閰告阿
閽狅紝涓嶉�?/p>
C
锛涘姞鍏ユ隘鍖栭挋锛屼笌纰抽吀閽犲弽搴旂敓鎴愮⒊閰搁挋娌夋穩鍜屾隘鍖栭挔锛岄敊璇紝涓嶉�?/p>
D
銆?/p>
绛旀锛?/p>
A
3
锛庢湁
A
銆?/p>
B
涓や釜瀹屽叏鐩稿悓鐨勮缃紝鏌愬鐢熷垎鍒湪瀹冧滑鐨勪晶绠′腑瑁呭叆
1.06
g
Na
2
CO
3
鍜?/p>
0.84 g NaHCO
3
锛?/p>
A
銆?/p>
B
涓垎鍒鏈夎冻閲忕殑鐩愰吀锛屽皢涓や釜渚х涓殑鐗╄川
鍚屾椂鍊掑叆鍚勮嚜鐨勮瘯绠′腑锛屼笅鍒楀彊杩版纭殑鏄?/p>
(
)