ÌâÄ¿ÄÚÈÝ

2£®ÀûÓÃÃ÷·¯Ê¯£¨Ö÷Òª³É·Ö£ºK2SO4•Al2£¨SO4£©3•2Al2O3•6H2O£¬ÉÙÁ¿ÔÓÖÊFe2O3£©ÖƱ¸ÇâÑõ»¯ÂÁµÄÁ÷³ÌÈçͼËùʾ£º

£¨1£©±ºÉÕ¯Öз´Ó¦Îª£º2Al2£¨SO4£©3+3S¨T2Al2O3+9SO2£» ¸Ã·´Ó¦µÄÑõ»¯¼ÁÊÇ£ºAl2£¨SO4£©3£»ÈôÉú³É1mol Al2O3£¬ÔòתÒƵç×ÓÊýÊÇ3.612¡Á1024¸ö£»
£¨2£©ÊìÁÏÈܽâʱµÄÀë×Ó·½³Ìʽ£ºAl2O3+2OH-=2AlO2-+H2O£®
£¨3£©¼ìÑé·ÏÔüÖк¬ÓÐFe2O3ËùÐèµÄÊÔ¼Á£ºHCl¡¢KSCN£®
£¨4£©Ä¸ÒºÖÐÈÜÖʵÄÖ÷Òª³É·ÖµÄ»¯Ñ§Ê½Îª£ºK2SO4¡¢Na2SO4£»ÈÜÒºµ÷½ÚpHºó¾­¹ýÂË¡¢Ï´µÓ¿ÉµÃAl£¨OH£©3³Áµí£¬Ö¤Ã÷³ÁµíÏ´µÓ¸É¾»µÄʵÑé²Ù×÷ºÍÏÖÏóÊÇ£ºÈ¡×îºóÒ»´ÎµÄÏ´µÓÒºÓÚÊÔ¹ÜÖУ¬¼ÓÈëBaCl2ÈÜÒº£¬ÎÞ°×É«³Áµí²úÉú£¬Ö¤Ã÷Ï´µÓ¸É¾»£®

·ÖÎö ÓÉÖƱ¸Á÷³Ì¿ÉÖª£¬Ã÷·¯Ê¯ÍÑË®ºó£¬ÔÚ±ºÉÕ¯Öз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ2Al2£¨SO4£©3+3S$\frac{\underline{\;¸ßÎÂ\;}}{\;}$2Al2O3+9SO2£¬µÃµ½µÄ¯ÆøÖ÷ҪΪSO2£¬ÊìÁÏÖк¬K2SO4¡¢Al2O3¼°ÉÙÁ¿µÄFe2O3£¬È»ºó¼ÓNaOH¡¢H2OÈܽâʱ£¬·¢ÉúAl2O3+2OH-=2AlO2-+H2O£¬·ÏÔüÖк¬Fe2O3£¬ÈÜÒºÖк¬K2SO4¡¢NaAlO2¡¢Na2SO4£¬×îºó¼ÓÁòËáÌõ¼þpH£¬AlO2-ת»¯ÎªAl£¨OH£©3£¬Ä¸ÒºÖÐÀë×ÓÖ÷ÒªÓÐK+¡¢Na+¡¢SO42-£¬º¬ÓÐÈÜÖÊΪK2SO4¡¢Na2SO4£¬ÒÔ´ËÀ´½â´ð£®

½â´ð ½â£ºÓÉÖƱ¸Á÷³Ì¿ÉÖª£¬Ã÷·¯Ê¯ÍÑË®ºó£¬ÔÚ±ºÉÕ¯Öз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ2Al2£¨SO4£©3+3S$\frac{\underline{\;¸ßÎÂ\;}}{\;}$2Al2O3+9SO2£¬µÃµ½µÄ¯ÆøÖ÷ҪΪSO2£¬ÊìÁÏÖк¬K2SO4¡¢Al2O3¼°ÉÙÁ¿µÄFe2O3£¬È»ºó¼ÓNaOH¡¢H2OÈܽâʱ£¬·¢ÉúAl2O3+2OH-=2AlO2-+H2O£¬·ÏÔüÖк¬Fe2O3£¬ÈÜÒºÖк¬K2SO4¡¢NaAlO2¡¢Na2SO4£¬×îºó¼ÓÁòËáÌõ¼þpH£¬AlO2-ת»¯ÎªAl£¨OH£©3£¬Ä¸ÒºÖÐÀë×ÓÖ÷ÒªÓÐK+¡¢Na+¡¢SO42-£¬º¬ÓÐÈÜÖÊΪK2SO4¡¢Na2SO4£¬
£¨1£©·´Ó¦ÖÐAl2£¨SO4£©3¡úSO2£¬ÁòÔªËØ»¯ºÏ¼ÛÓÉ+6¼Û½µµÍΪ+4¼Û£¬¹ÊAl2£¨SO4£©3ÊÇÑõ»¯¼Á£¬·´Ó¦ÖÐÁòµ¥ÖÊÖÐÁòÔªËØ»¯ºÏ¼ÛÓÉ0¼ÛÉý¸ßΪSO2ÖÐ+4¼Û£¬Áòµ¥ÖÊΪ»¹Ô­¼Á£¬Éú³É1molAl2O3ÐèÒªÁòµÄÎïÖʵÄÁ¿Îª1mol¡Á$\frac{3}{2}$=1.5mol£¬×ªÒƵç×ÓµÄÎïÖʵÄÁ¿Îª1.5mol¡Á4=6mol£¬×ªÒƵç×ÓÊýĿΪ6mol¡Á6.02¡Á1023mol-1=3.612¡Á1024£¬
¹Ê´ð°¸Îª£ºAl2£¨SO4£©3£»3.612¡Á1024£»
£¨2£©Óɹ¤ÒÕÁ÷³Ì¿ÉÖª£¬ÊìÁÏÈܽâΪÑõ»¯ÂÁÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦Éú³ÉÆ«ÂÁËáÄÆ£¬Àë×Ó·½³ÌʽΪAl2O3+2OH-=2AlO2-+H2O£¬
¹Ê´ð°¸Îª£ºAl2O3+2OH-=2AlO2-+H2O£»
£¨3£©Òòº¬ÌúÀë×ÓµÄÈÜÒº¼ÓKSCNÈÜÒº±äΪѪºìÉ«¿É¼ìÑéÌúÀë×Ó£¬Ñ¡ÔñHClÈܽâ¹ÌÌ壬KSCN¼ìÑéÌúÀë×Ó£¬Ôò¼ìÑé·ÏÔüÖк¬ÓÐFe2O3ËùÐèµÄÊÔ¼ÁΪHCl¡¢KSCN£¬
¹Ê´ð°¸Îª£ºHCl¡¢KSCN£»
£¨4£©ÓÉÉÏÊö·ÖÎö¿ÉÖª£¬¼ÓÁòËáµ÷pHֵʱ£¬AlO2-ת»¯ÎªAl£¨OH£©3£¬Ä¸ÒºÖÐÀë×ÓÖ÷ÒªÓÐK+¡¢Na+¡¢SO42-£¬º¬ÓÐÈÜÖÊΪK2SO4¡¢Na2SO4£»³ÁµíÏ´µÓ¸É¾»Ôò±íÃæ²»º¬ÁòËá¸ùÀë×Ó£¬³ÁµíÏ´µÓ¸É¾»µÄʵÑé²Ù×÷ºÍÏÖÏóÊÇÈ¡×îºóÒ»´ÎµÄÏ´µÓÒºÓÚÊÔ¹ÜÖУ¬¼ÓÈëBaCl2ÈÜÒº£¬ÎÞ°×É«³Áµí²úÉú£¬Ö¤Ã÷Ï´µÓ¸É¾»£¬
¹Ê´ð°¸Îª£ºK2SO4¡¢Na2SO4£»È¡×îºóÒ»´ÎµÄÏ´µÓÒºÓÚÊÔ¹ÜÖУ¬¼ÓÈëBaCl2ÈÜÒº£¬ÎÞ°×É«³Áµí²úÉú£¬Ö¤Ã÷Ï´µÓ¸É¾»£®

µãÆÀ ±¾Ì⿼²éÖƱ¸ÊµÑé·½°¸µÄÉè¼Æ£¬Îª¸ßƵ¿¼µã£¬°ÑÎÕÖƱ¸Á÷³ÌÖеķ´Ó¦¡¢»ìºÏÎï·ÖÀëÌá´¿·½·¨Îª½â´ðµÄ¹Ø¼ü£¬×¢ÒâÀë×Ó·´Ó¦¡¢Ñõ»¯»¹Ô­·´Ó¦¼°Àë×Ó¼ìÑéµÄ×ÛºÏÓ¦Ó㬲àÖØ·ÖÎö¡¢ÊµÑéÄÜÁ¦µÄ¿¼²é£¬ÌâÄ¿ÄѶÈÖеȣ®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
17£®AÊÇÓлúôÈËáÑΣ¬B¡¢C¡¢DÊdz£¼û»¯ºÏÎA¡¢B¡¢C¡¢DÑæÉ«·´Ó¦³Ê»ÆÉ«£¬ÆäË®ÈÜÒº¾ù³Ê¼îÐÔ£¬B×îÇ¿£®X¡¢YÊÇ×î³£¼ûµÄÑõ»¯ÎïÇÒÓëÈËÌå¡¢ÉúÃüϢϢÏà¹Ø£¬Æ侧ÌåÀàÐÍÏàͬ£®ÒÑÖªÓйØת»¯ÈçÏ£º
¢ÙA£¨s£©+B£¨s£©$\stackrel{¡÷}{¡ú}$ C£¨s£©+H2¡ü      
¢ÚD+H2 $?_{ÊÍÇâ}^{´¢Çâ}$ A+X
¢ÛB+D¨TC+X                        
¢ÜD£¨s£© $\frac{\underline{\;¡÷\;}}{\;}$   C+X+Y£¨¾ùδÅäƽ£©
×¢£ºRCOONa+NaOH $\stackrel{¡÷}{¡ú}$ RH¡ü+Na2CO3
ÊԻشðÏÂÁÐÎÊÌ⣺
£¨1£©CµÄÃû³ÆÊÇ̼ËáÄÆ£®
£¨2£©BµÄµç×ÓʽÊÇ£®
£¨3£©ÉÏÊö¢Ú´¢Çâ·½·¨µÄ¶þ¸ö×îÃ÷ÏÔµÄÓŵãÊÇ»·±£¡¢°²È«µÈ£®
£¨4£©CµÄ¾§ÌåÊôÓÚÀë×Ó¾§Ì壬´æÔÚÀë×Ó¼üºÍ¹²¼Û¼ü£®
£¨5£©YµÄ¾§ÌåÈÛ»¯Ê±½ö¿Ë·þ·Ö×Ó¼ä×÷ÓÃÁ¦£®
£¨6£©XµÄ¾§ÌåÖÐͨ³£ÓÐÇâ¼üµÞºÏ£¬¹¹³ÉÕýËÄÃæÌå¿Õ¼äÍø×´½á¹¹£¬Æä·Ðµã±ÈͬÖ÷×åͬÀàÐÍÎïÖÊÒªÌرð¸ß£®
£¨7£©Ð´³ö¢ÙµÄ»¯Ñ§·½³ÌʽHCOONa+NaOH$\frac{\underline{\;¡÷\;}}{\;}$Na2CO3+H2¡ü£®
£¨8£©Ð´³öÔÚCµÄ±¥ºÍÈÜÒºÖ⻶ÏͨYÎö³öDµÄÀë×Ó·½³Ìʽ2Na++CO32-+H2O+CO2¨T2NaHCO3¡ý£®
£¨9£©ÓÃÀ´±í´ïÅÝÄ­Ãð»ðÆ÷Ãð»ðÔ­Àí£¨D+Al3+£©µÄÀë×Ó·½³ÌʽÊÇ3HCO3-+Al3+¨TAl£¨OH£©3¡ý+3CO2¡ü£®

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

¾«Ó¢¼Ò½ÌÍø