ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿¸ù¾ÝÏÂÃ沿·Ö½ðÊôµÄ»î¶¯ÐÔ˳Ðò»Ø´ð£º
£¨1£©ÉÏÊö½ðÊôÖлÐÔ×îÇ¿µÄÊÇ £»
£¨2£©°´Äê´ú×îÔç±»¹ã·ºÊ¹ÓõĽðÊôÊÇ £»
£¨3£©ÒÑÖª£º¢ÙX£«H2SO4 == XSO4£«H2¡ü£»¢ÚY£«2ZNO3 == Y(NO3)2£«2Z£»¢ÛYÓëÏ¡ÁòËá²»·´Ó¦¡£
Ôò·ûºÏÒªÇóµÄX¡¢Y¡¢Z·Ö±ðÊÇ (Ìî×Öĸ)£»
A£®Cu¡¢Hg¡¢Ag B£®Fe¡¢Cu¡¢Ag C£®Mg¡¢Zn¡¢Fe
£¨4£©ÏòÒ»¶¨ÖÊÁ¿AgNO3ºÍCu(NO3)2µÄ»ìºÏÈÜÒºÖмÓÈë¹ýÁ¿µÄ Zn·Û£¬ÈÜÒºÖÊÁ¿Ë淴Ӧʱ¼ä±ä»¯µÄÇé¿öÈçͼËùʾ¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ ¡£
A£®È¡aµãÈÜÒº£¬µÎ¼ÓÏ¡ÑÎËᣬÎÞ°×É«³Áµí
B£®Í¼±êÉÏbc¶ÎÖÊÁ¿Ôö¼ÓµÄÔÒòÊÇZnÓëCu(NO3)2ÈÜÒº·´Ó¦
C£®bµãʱÈÜÒºÖнðÊôÀë×ÓÓÐZn2+¡¢Cu2+£¬½ðÊôµ¥ÖÊÓÐZn¡¢Cu¡¢Ag
D£®cµãºÍdµãÈÜÖÊÖÖÀ಻ͬ£¬½ðÊôµ¥ÖÊÖÖÀàÒ²²»Í¬
¡¾´ð°¸¡¿£¨1£©Mg£»£¨2£©Cu£»£¨3£©B£»£¨4£©B¡£
¡¾½âÎö¡¿
ÊÔÌâ·ÖÎö£º£¨1£©½ðÊô»î¶¯ÐÔ˳ÐòÖУ¬½ðÊôµÄλÖÃÔ½¿¿×󣬽ðÊô»î¶¯ÐÔԽǿ
£¨2£©×îÔçʹÓõĽðÊôÊÇÍ
£¨3£©¢ÙX£«H2SO4==XSO4£«H2¡ü Ö¤Ã÷X£¾H ¢ÚY£«2ZNO3 == Y(NO3)2£«2Z Ö¤Ã÷Y£¾Z
¢ÛYÓëÏ¡ÁòËá²»·´Ó¦ Ö¤Ã÷Y£¼H£¬ËùÒÔËüÃǵĽðÊô»î¶¯ÐÔ˳ÐòÊÇ£ºX£¾Y£¾Z£¬¹ÊÑ¡B £¨4£©A¡¢bµãʱÏõËáÒøÇ¡ºÃ·´Ó¦Í꣬ aµãʱÓÐÏõËáÒøÊ£Ó࣬´íÎó£»B¡¢Zn+Cu(NO3)2=Zn(NO3)2+Cu ·´Ó¦ºóÈÜÒºÖÊÁ¿Ôö¶à£»ÕýÈ·£»C¡¢bµãʱÈÜÒºÖнðÊôÀë×ÓÓÐZn2+£¬½ðÊôµ¥ÖÊÓÐZn¡¢Cu¡¢Ag £¬´íÎó£»D¡¢cµãºÍdµãÈÜÖÊÖÖÀàÏàͬ£¬½ðÊôµ¥ÖÊÖÖÀàÒ²Ïàͬ£¬´íÎó¡£¹ÊÑ¡B
![](http://thumb2018.1010pic.com/images/loading.gif)