1ãæ°é²è¡è¿¹ ä»»ä½ç»ç©ä¸çæ°é²è¡æ¶²ï¼é½å¯ä½¿ç¨æ°´æ´å»é¤ãæ´æ¶¤æ¶åºå
ç¨å¹²åçå·æ°´æ´ï¼åç¨è¥çæ°´ææ´è¡£ç²æ´ãå¦ç¨çæ°´æ´ï¼ä¸ä»
è¾¾ä¸å°æ¸
é¤çç®çï¼è¿ä¼å¨è¡£æä¸çä¸æ´ä¸æçç迹ã
2ãè¡£ç©ä¸è¾éæ§çè¡è¿¹ å¯ç¨ç¡¼ç 2份ãæµåº¦10%ç氨水1份åæ°´20份çæ··å液æ©æ¦ï¼å¾
è¡æå»é¤åï¼åç¨æ¸
æ°´æ¼æ´å¹²åã éæ§è¡æ¸è¿å¯ä»¥ç¨æ 檬æ±å çæ°´æ¥æ´ã
3ãè究çæè²ä¸æ¯ç»åæè£
ä¸çè¡è¿¹ å
¶ä¸çè¡è¿¹å¯éç¨æ·ç²å æ°´ç¬æ糨ç³ï¼è°å¥½åç¨ç³¨ç³æ¶æ¹å¨è¡æä¸ï¼è®©å
¶å¹²ç¥ãå¾
å
¨å¹²åï¼å°æ·ç²å®ä¸ï¼å
ç¨è¥çæ°´æ´ï¼åç¨å¹²åæ¸
æ°´æ¼æ´ï¼æåç¨é15å
å
æ°´1åå¶æçé液æ¸
æ´ï¼ææé¢ä½³ã
4ãç½è²æè£
ä¸çè¡æå¯ç¨ç¡«ä»£ç¡«é
¸é 1份å æ°´50份ç¨é溶解åå çè³35ææ°åº¦ï¼æç½è²è¡£ç©æµ¸å
¥æ¤ç液ä¸æ³¡è³è¡è²æ¶å¤±ï¼åç¨æ°´æ´æ¶¤ãå½ç½è²æè£
ä¸çè¡æè¾éæ§ï¼ä¸å å·²ç»ç
®è¿èç¢åºå°é»éå¨è¡£ç©ä¸æ¶ï¼å¯ä»¥ç¨âéè²çµâå»é¤ãè¿å¯éç¨æµåº¦5%ççç§èæ溶液æ氨水浸æ¸ï¼æ³¡ä¸ä¸æ´å¤åååºï¼åå°è¡æç¨æ¼ç½ç²æº¶æ¶²æµ¸æ¹¿ï¼æ¼ç½ç²1份ãæ°´10份ï¼ï¼åç¨æ°´ä»ç»å°æ¼æ¸
ãå»é¤ç½è²ç»ç©ä¸çè¡è¿¹ï¼ä¹å¯å°ç»ç©æµ¸å
¥æµåº¦ä¸º3%çé溶液ä¸ï¼æ¾ç½®12å°æ¶åï¼åç¨æ°´æ¼æ¸
ï¼ææä¹å¾å¥½ã
å½ç¶æè§å¾è¿æ ·å¾éº»ç¦ï¼èä¸å¾ç´¯ï¼æ以æç®åçå°±æ¯ç¨å·æ°´æµ¸æ³¡ï¼ç¶åè¥ççå·å¦ï¼~
è¿æï¼ç»ææ¥çæ¶åæ以åä¸ç©¿çæ§è¡£æå«å¨å±è¡ä¸é¢é¿å
è¡æ¶²æµå¨åºä¸ä¹æ¯ä¸ªåæ³~~
温馨提示:答案为网友推荐,仅供参考