ÌâÄ¿ÄÚÈÝ

£¨15·Ö£©Ä³ÎÞÉ«ÈÜÒºÖпÉÄܺ¬ÓÐNH4+¡¢K+¡¢Al3+¡¢HCO3¡ª¡¢Cl¡ª¡¢MnO4¡ª¡¢SO42¡ªµÈÀë×ÓÖеļ¸ÖÖÀë×Ó¡£

¢Ù¾­ÊµÑé¿ÉÖªÈÜÒºÃ÷ÏÔ³ÊËáÐÔ£¬ÇÒÑæÉ«·´Ó¦³ÊÏÖ³ö×ÏÉ«¡£

¢ÚÈ¡10mL¸ÃÈÜÒºÓÚÊÔ¹ÜÖеμÓBa(NO3)2ÈÜÒº£¬¼ÓÏ¡ÏõËáËữºó¹ýÂ˵õ½0.03mol°×É«³Áµí£¬ÏòÂËÒºÖмÓÈëAgNO3ÈÜҺδ¼û³Áµí²úÉú¡£

¢ÛÁíÈ¡ÉÙÁ¿¸ÃÈÜÒºÓÚÊÔ¹ÜÖУ¬µÎ¼ÓNaOHÈÜÒº²úÉú°×É«³Áµí£¬µ±³ÁµíÔö¼Óµ½Ò»¶¨Á¿ºó¿ªÊ¼²úÉúÆøÌ壬×îºó³ÁµíÍêÈ«Èܽ⡣

£¨1£©¸ÃÈÜÒºÖÐÒ»¶¨²»º¬ÓР                        £¨ÌîÀë×ӵĻ¯Ñ§Ê½£©Àë×Ó£¬Ò»¶¨º¬ÓеÄÀë×ÓÓР                        £¨ÌîÀë×ӵĻ¯Ñ§Ê½£©£»

£¨2£©ÔÚÕâЩ²»´æÔÚµÄÀë×ÓÖУ¬ÓÐÒ»ÖÖÀë×ÓÔÚËáÐÔ»·¾³ÖкͼîÐÔ»·¾³Öж¼²»ÄÜ´æÔÚ£¬ÊÔд³ö¸ÃÀë×ÓÓëËá·´Ó¦µÄÀë×Ó·½³Ìʽ£º                                                £»

£¨3£©ÎªÈ·¶¨ÉÏÊöÈÜÒºÖÐËùº¬µÄ¸÷ÖÖÀë×ÓµÄÎïÖʵÄÁ¿£¬È¡100mLÉÏÊöÈÜÒº²¢ÏòÆäÖмÓÈëNa2O2¹ÌÌ壬²úÉúµÄ³ÁµíºÍÆøÌåÓëËù¼ÓNa2O2¹ÌÌåÎïÖʵÄÁ¿µÄ¹ØϵÇúÏßÈçͼ¢ñ£º

 


¢Ù¸ÃÈÜÒºÖÐÑæÉ«·´Ó¦³ÊÏÖ×ÏÉ«µÄÀë×ÓµÄÎïÖʵÄÁ¿Îª£º                  mol£¬

¢Úд³ön(Na2O2)=0.2molʱ·´Ó¦µÄ×ÜÀë×Ó·½³Ìʽ£º                                  £»

£¨4£©½«0.1molÃ÷·¯¾§ÌåÓëµÈÎïÖʵÄÁ¿µÄijÎÞË®Ñξ§ÌåX»ìºÏºóÈܽâÓÚË®ÖУ¬ËùµÃÈÜÒºÓëÉÏÊöÈÜÒºËùº¬Àë×ÓÖÖÀàÍêÈ«Ïàͬ¡£ÈôÏò¸ÃÈÜÒºÖмÓÈëBa(OH)2ÈÜÒº£¬ËùµÃ³ÁµíµÄÎïÖʵÄÁ¿ÓëËù¼ÓÈëBa(OH)2µÄÎïÖʵÄÁ¿µÄ¹ØϵÈçͼ¢ò£º

 


ÊÔ¸ù¾ÝͼÏñÍƶϢÙXµÄ»¯Ñ§Ê½£º                   £¬¢ÚͼÏñÖÐAµãÈÜÒºÖеÄÀë×ӳɷֺÍÎïÖʵÄÁ¿·Ö±ðÊÇ£º                       £»

£¨1£©HCO3¡ª¡¢Cl¡ª¡¢MnO4¡ª£¨2·Ö£©£¬K+¡¢NH4+¡¢Al3+¡¢SO42¡ª£¨2·Ö£©£»

£¨2£©HCO3¡ª+H+=CO2¡ü+H2O£¨2·Ö£©£»

£¨3£©¢Ù 0.1£¨2·Ö£©

¢ÚAl3++NH4++2Na2O2+H2O=Al(OH)3¡ý+NH3¡ü+O2¡ü+4Na+£¨2·Ö£©£»

 £¨4£©¢Ù£¨NH4£©2SO4 £¨2·Ö£©£»

¢Ú0.1mol K+¡¢0.2mol NH4+¡¢0.15mol SO42¡ª£¨3·Ö£©¡£ 


½âÎö:

¸ù¾ÝÌâÒâºÍʵÑéÏÖÏó˵Ã÷Ò»¶¨ÎÞHCO3¡ª¡¢Cl¡ª¡¢MnO4¡ª£»Ò»¶¨º¬ÓеÄK+¡¢NH4+¡¢Al3+¡¢SO42¡ªÀë×Ó¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø