±à¼£ºrichie
2023-12-12 02:40:20
ÂÈ»¯ÄÆ»¯Ñ§Ê½ÎªNaCl,Ïà¶Ô·Ö×ÓÖÊÁ¿Îª58.5¸ù¾ÝÏà¶Ô·Ö×ÓÖÊÁ¿µÄ¶¨Òå¼´Ïà¶Ô·Ö×ÓÖÊÁ¿(Mr)µÈÓÚ»¯Ñ§Ê½Öи÷¸öÔ×ÓµÄÏà¶ÔÔ×ÓÖÊÁ¿(Ar)µÄ×ܺ͡£ÓÃÊýѧ±í´ïʽ¿É±íʾΪMr(NaCl)=Ar(Na)+Ar(Cl)=23+35.5=58.5£¬ÆäÖÐÄÆ(Na)Ô×ÓµÄÏà¶ÔÔ×ÓÖÊÁ¿ÎªAr(Na)=23,¶øÂÈ(Cl)Ô×ÓµÄÏà¶ÔÔ×ÓÖÊÁ¿ÎªAr(Cl)=35.5¡£
ÂÈ»¯ÄÆ(NaCl)ÊÇÇ¿ËáÇ¿¼îÑΣ¬Ò×ÈÜÓÚË®²¢ÇÒË®ÈÜÒºÏÔÖÐÐÔ(PH=7),ÄÜÓëÏõËáÒøÈÜÒº·´Ó¦Éú³É°×É«ÂÈ»¯Òø³Áµí£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽNaCl + AgNO3 = NaNO3 + AgCl¡ý(°×É«),
·´Ó¦µÄÀë×Ó·½³ÌʽΪAg+ + Cl- == AgCl¡ý
ʯ¼ÒׯÊеÚÎåÖÐѧÖп¼Â¼È¡·ÖÊýÏßÊǶàÉÙ°¡£¿Òª×¼È·µÄŶ£¿
2023-12-11 21:56:022015ÄêÖп¼½ú³ÇÒ»Öмȡ·ÖÊýÏßÊǶàÉÙ£¿
2023-12-11 20:53:09¾«Æ·Ñ§Ï°Íø(51edu.com)ÔÚ½¨Éè¹ý³ÌÖÐÒýÓÃÁË»¥ÁªÍøÉϵÄһЩÐÅÏ¢×ÊÔ´²¢¶ÔÓÐÃ÷È·À´Ô´µÄÐÅÏ¢×¢Ã÷Á˳ö´¦£¬°æȨ¹éÔ×÷Õß¼°ÔÍøÕ¾ËùÓУ¬Èç¹ûÄú¶Ô±¾Õ¾ÐÅÏ¢×ÊÔ´°æȨµÄ¹éÊôÎÊÌâ´æÓÐÒìÒ飬ÇëÄúÖÂÐÅqinquan#51edu.com(½«#»»³É@)£¬ÎÒÃÇ»áÁ¢¼´×ö³ö´ð¸´²¢¼°Ê±½â¾ö¡£Èç¹ûÄúÈÏΪ±¾Õ¾ÓÐÇÖ·¸ÄúȨÒæµÄÐÐΪ£¬Çë֪ͨÎÒÃÇ£¬ÎÒÃÇÒ»¶¨¸ù¾Ýʵ¼ÊÇé¿ö¼°Ê±´¦Àí¡£