ÌâÄ¿ÄÚÈÝ
Ë×»°Ëµ£º¡°×¯¼ÚÒ»Ö¦»¨£¬È«¿¿·Êµ±¼Ò¡±¡£È«¹úÅ©ÒµÉú²úʵ¼ùÒѱíÃ÷£¬Ê©Óû¯·ÊÄÜÖ±½ÓÌṩÑø·Ö£¬Ôö¼Ó×÷Îï²úÁ¿¡£ÎÒ¹úÅ©¿ÆÔºÔø×ö¹ýͳ¼Æ£¬Ã¿0.5 kgµªÄÜÔö²úË®µ¾7.75 kg£¬Ð¡Âó5.25 kg£¬ÃÞ»¨4.75 kg£¬ÓñÃ×9.5 kg¡£ËùÒÔ£¬ºÁ²»¿äÕŵØ˵£¬»¯·ÊÊÇÅ©ÒµÔö²úµÄÖØÒªÊÖ¶ÎÖ®Ò»¡£µ«ÊÇ£¬Ã¤Ä¿µØ¹ýÁ¿Ê©Óû¯·Ê£¬²»½öÔì³É·ÊÁϵÄÀË·Ñ£¬Í¬Ê±»¹ÎÛȾÁË»·¾³£¬¸øÉú̬ϵͳºÍÈËÀཡ¿µ´øÀ´Î£º¦£¬ÎÒÃDZØÐëÇåÐѵØÈÏʶÕâÒ»µã¡£ÏÂÃæÇëÄã¸ù¾ÝÒÑѧ¹ýµÄ֪ʶ£¬»Ø´ðÓйػ¯·ÊµÄһϵÁÐÎÊÌ⣺
£¨1£©ÔÚÅ©×÷ÎïÉú³¤·¢ÓýʱÆÚ£¬ÐèÒªÁ¿×î¶àµÄÈýÖÖ¿óÖÊÔªËØÊÇʲô£¿ËüÃÇÔÚÖ²ÎïÉúÃü»î¶¯ÖÐÓÐʲô×÷Óã¿__________________________________________________________________
£¨2£©ÓÐÒ»ÖÖ¸´ºÏ»¯·Ê£¬º¬NH4NO3¡¢NH4H2PO4ºÍKCl£¬ÆäÖÊÁ¿±ÈΪ1¡Ã2¡Ã2¡£ÎÊ£º
¢ÙijũÃñÒªÅäÖƸø´ºÏ·ÊÁÏ
¢Ú¼ÆËã¸Ã¸´ºÏ·ÊÁÏÖÐN¡¢P¡¢KµÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿______________________________________________________
¢ÛÉÏÊö»¯·ÊÊÇÒÔʲôÐÎʽ±»ÎüÊյģ¬Ò»°ãÐè¾¹ýÄÄÁ½¸ö²½Ö裿__________________________________________________________________
£¨3£©ÔÚÍÁÈÀ³ÊËáÐÔʱ£¬ÏÖÓУ¨NH4£©2SO4ºÍNH4NO3Á½ÖÖ»¯·Ê£¬ÄãӦʩÓÃÄÄÖÖ»¯·ÊΪÊÊÒË£¬ÎªÊ²Ã´£¿__________________________________________________________________
£¨4£©Ê©Óû¯·Êºó£¬ÓÉÓÚµØÃ澶Á÷³åË¢»òËæ×ÅÓêË®Á÷ʧ»áÔì³É»·¾³ÎÛȾ£¬Ö÷Òª±íÏÖÔÚÄÄЩ·½Ã棿__________________________________________________________________
˼·½âÎö£º£¨1£©Ö²ÎïÉúÃü»î¶¯ÐèÒªÁ¿×î´óµÄÈýÖÖ¿óÖÊÔªËØÊÇN¡¢P¡¢K¡£
µªÊǵ°°×ÖʵÄÖ÷Òª×é³ÉÔªËØ£¬ËüÄܼÓËÙϸ°û·ÖÁѺÍÉú³¤£¬Ê¹Ö²ÎïÖ¦Ò¶·±Ã¯¡£
Á×ÄÜ´Ù½øÓ×Ãç·¢Óý£¬´Ù½ø¿ª»¨¡¢½á¹û³ÉÊì¡£
¼ØÄÜʹ¾¥¸Ñ½¡×³£¬¿¹µ¹·ü£¬´Ù½øµí·ÛµÄºÏ³ÉÓëÔËÊä¡£
£¨2£©¢ÙÅäÖƸø´ºÏ·ÊÁÏ100¿Ë£¬ÐèÒªNH4NO3 20¿Ë£¬NH4H2PO4 40¿Ë£¬KCl 40¿Ë£»
¢ÚNµÄÖÊÁ¿·ÖÊýΪ11.9£¥£»PµÄÖÊÁ¿·ÖÊýΪ10.8£¥£»KµÄÖÊÁ¿·ÖÊýΪ20.9£¥£»
¢ÛÉÏÊö»¯·ÊÊÇÒÔÀë×Ó״̬±»ÎüÊյģ¬Ö÷ÒªÎüÊÕµÄÓС¢
¡¢
¡¢K+¡£¸ùϸ°ûÎüÊÕÒ»°ãÐè¾¹ýÀë×Ó½»»»Îü¸½ºÍÖ÷¶¯ÔËÊäÁ½¸ö²½Öè¡£
£¨3£©ÒòΪ¸ùÎüÊÕ·ÊÁÏÊÇÒÔÀë×Ó½»»»Îü¸½·½Ê½½øÐеģ¬Ö²ÎïÐèÒª°±½Ï¶à£¬¹ÊÎüÊն࣬ÎüÊÕ
ÉÙ¡£¹Ê½»»»ÏÂÀ´½øÈëÍÁÈÀÀïµÄH+¶à£¬Ê¹ÍÁÈÀÏÔËáÐÔ¡£ËùÒÔ²»ÒËÔÚËáÐÔÍÁÈÀÖÐʹÓã¨NH4£©2SO4¶ø NH4NO3ÊÇÉúÀíÖÐÐÔÑΣ¬¶Ô
ºÍ
µÄÎüÊÕÁ¿ÊÇÏàͬµÄ¡£½»»»ÏÂÀ´µÄH£«ºÍOH£µÄÁ¿Ïàͬ£¬²»»áÔÙÔö¼ÓÍÁÈÀµÄËáÐÔ¡£
£¨4£©µªºÍÁ×ÔªËؽøÈëµØÏÂË®»òµØ±íË®£¬ÎÛȾˮԴ£¬ÒýÆðµØÏÂË®¡¢¾®Ë®ÏõËáÑεȺ¬Á¿Éý¸ß£¬ÈËÀàÒûÓûáΣº¦½¡¿µ¡£´ËÍ⣬µª¡¢Á×Á÷ÈëË®ÖУ¬Ôì³ÉË®Ì帻ӪÑø»¯£¨¼´Ë®ÌåÑø·Ö¹ý¸ß£©£¬ÓÕʹÔåÀà´óÁ¿Éú³¤£¬ÓÖÏûºÄ´óÁ¿O2£¬Ê¹Ë®ÌåÖÐO2º¬Á¿¼õÉÙ£¬ÕâÑùÓÖÔì³ÉÓлúÌå´óÁ¿ËÀÍö£¬Ë®Öʱ仵£¬¶Ô»·¾³ÆÆ»µ×÷Óúܴó¡£
´ð°¸£º£¨1£©N¡¢P¡¢K£¬×÷Óüû½âÎö¡££¨2£©¢ÙÐèÒªNH4NO3 20¿Ë£¬NH4H2PO440¿Ë£¬KCl 40¿Ë¡£¢Ú11.9£¥£¬10.8£¥£¬20.9£¥ ¢ÛÀë×Ó½»»»Îü¸½¡¢Ö÷¶¯¶¯Êä £¨3£©Ó¦Ñ¡ÓÃNH4NO3 £¨4£©¼û½âÎö
![](http://thumb2018.1010pic.com/images/loading.gif)