ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿¹¤ÒµÉϳ£Í¨¹ý¸ßηֽâFeSO4µÄ·½·¨ÖƱ¸Fe2O3£¬Æ仯ѧ·½³ÌʽΪ£º2FeSO4Fe2O3£«SO2¡ü£«SO3¡ü¡£Îª¼ìÑéFeSO4¸ßηֽâµÄ²úÎ½øÐÐÈçÏÂʵÑ飺
¢ÙÈ¡ÉÙÁ¿FeSO4¸ßηֽâµÃµ½µÄ¹ÌÌ壬¼ÓÒ»¶¨Á¿Ï¡ÑÎËáÈܽ⣬Ïò¸ÃÈÜÒºÖмÓÈëÊÊÁ¿µÄKSCNÈÜÒº£¬¹Û²ìÈÜÒºÑÕÉ«µÄ±ä»¯ÒÔ¼ìÑéFe3£«ÊÇ·ñ´æÔÚ¡£
¢Ú½«FeSO4¸ßηֽâ²úÉúµÄÆøÌåͨÈëÈçͼËùʾµÄ×°ÖÃÖУ¬ÒÔ¼ìÑé²úÉúµÄÆøÌåÖÐÊÇ·ñº¬ÓÐSO2¡¢SO3¡£
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ð´³öKSCNÈÜÒºÓëFe3£«·´Ó¦µÄÀë×Ó·½³Ìʽ£º____¡£
£¨2£©²Ù×÷¢ÚÖй۲쵽µÄÏÖÏóºÍ½áÂÛÊÇ____£»_____¡£
£¨3£©²Ù×÷¢ÚÖÐ×îºóÒª½«Í¨¹ýÆ·ºìÈÜÒºµÄÆøÌåͨÈëNaOHÈÜÒºÖеÄÔÒòÊÇ___£¬Óйط´Ó¦µÄÀë×Ó·½³Ìʽ____¡£
¡¾´ð°¸¡¿Fe3£«£«3SCN£ = Fe(SCN)3 AÆ¿ÈÜÒºÖгöÏÖ°×É«³Áµí£¬ËµÃ÷ÆøÌåÖк¬ÓÐSO3 BÆ¿ÈÜÒºÓɺìÉ«±äΪÎÞÉ«£¬ËµÃ÷ÆøÌåÖк¬ÓÐSO2 ÎüÊÕ¶àÓàµÄSO2·ÀÖ¹ÎÛȾ»·¾³ SO2£«2OH£ = SO32££«H2O¡¢SO32££«SO2£«H2O = 2HSO3£(¿ÉÒÔ²»Ð´)
¡¾½âÎö¡¿
¢ÅKSCNÈÜÒºÓëFe3£«·´Ó¦Éú³ÉѪºìÉ«Fe(SCN)3¡£
¢Æ²Ù×÷¢Ú£¬ÆøÌåÖк¬ÓÐSO3£¬»áʹAÆ¿ÈÜÒº³öÏÖ°×É«³Áµí£¬ÆøÌåÖк¬ÓÐSO2£¬»áʹBÆ¿ÈÜÒºÓɺìÉ«±äΪÎÞÉ«¡£
¢Ç²Ù×÷¢ÚÖÐ×îºóÒª½«Í¨¹ýÆ·ºìÈÜÒºµÄÆøÌåÊ£Óà¶þÑõ»¯Áò£¬NaOHÈÜÒº×÷ÓÃÊÇÎüÊÕ¶àÓàµÄSO2·ÀÖ¹ÎÛȾ»·¾³¡£
¢ÅKSCNÈÜÒºÓëFe3£«·´Ó¦µÄÀë×Ó·½³ÌʽΪ£ºFe3£«£«3SCN£= Fe(SCN)3¡£
¢ÆÈýÑõ»¯ÁòÈÜÓÚË®Éú³ÉÁòËᣬÔò²Ù×÷¢ÚÖй۲쵽µÄÏÖÏóºÍ½áÂÛÊÇAÆ¿ÈÜÒºÖгöÏÖ°×É«³Áµí£¬ËµÃ÷ÆøÌåÖк¬ÓÐSO3£»BÆ¿ÈÜÒºÓɺìÉ«±äΪÎÞÉ«£¬ËµÃ÷ÆøÌåÖк¬ÓÐSO2£¬¹Ê´ð°¸Îª£ºAÆ¿ÈÜÒºÖгöÏÖ°×É«³Áµí£¬ËµÃ÷ÆøÌåÖк¬ÓÐSO3£»BÆ¿ÈÜÒºÓɺìÉ«±äΪÎÞÉ«£¬ËµÃ÷ÆøÌåÖк¬ÓÐSO2¡£
¢Ç¶þÑõ»¯ÁòÊÇ´óÆøÎÛȾÎÒò´Ë²Ù×÷¢ÚÖÐ×îºóÒª½«Í¨¹ýÆ·ºìÈÜÒºµÄÆøÌåͨÈëNaOHÈÜÒºÖеÄÔÒòÊÇÎüÊÕ¶àÓàµÄSO2·ÀÖ¹ÎÛȾ»·¾³£¬Óйط´Ó¦µÄÀë×Ó·½³ÌʽΪSO2£«2OH£= SO32££«H2O¡¢SO32££«SO2£«H2O = 2HSO3£(¿ÉÒÔ²»Ð´)£¬¹Ê´ð°¸Îª£ºÎüÊÕ¶àÓàµÄSO2·ÀÖ¹ÎÛȾ»·¾³£»SO2£«2OH£= SO32££«H2O¡¢SO32££«SO2£«H2O = 2HSO3£(¿ÉÒÔ²»Ð´)¡£
¡¾ÌâÄ¿¡¿ÓÃÖк͵ζ¨·¨²â¶¨Ä³ÉÕ¼îÑùÆ·µÄ´¿¶È£¬ÊÔ¸ù¾ÝʵÑé»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©×¼È·³ÆÁ¿8£®2gº¬ÓÐÉÙÁ¿ÖÐÐÔÒ×ÈÜÔÓÖʵÄÑùÆ·£¬Åä³É500mL´ý²âÈÜÒº¡£ ÓÃ0£®100molL-1ÁòËáµÎ¶¨£¬Ð´³ö¸ÃÖкͷ´Ó¦µÄÈÈ»¯Ñ§·½³Ìʽ____________(ÖкÍÈȦ¤H£½£57£®3 kJ/mol)¡£½«¸ÃÉÕ¼îÑùÆ·Åä³É500mL´ý²âÈÜÒºÐèÒªµÄ²£Á§ÒÇÆ÷ÓÐ_________________________¡£
£¨3£©µÎ¶¨¹ý³ÌÖУ¬ÑÛ¾¦Ó¦×¢ÊÓ_________________£¬ÈôÓ÷Ó̪×÷ָʾ¼Á´ïµ½µÎ¶¨ÖÕµãÑÕÉ«±ä»¯ÊÇ____________________________________¡£
£¨4£©¸ù¾ÝϱíÊý¾Ý£¬¼ÆËã±»²âÉÕ¼îÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈÊÇ_____molL-1£¬ÉÕ¼îÑùÆ·µÄ´¿¶ÈÊÇ____£¨±£ÁôСÊýµãºóÁ½Î»£©
µÎ¶¨´ÎÊý | ´ý²âÈÜÒº Ìå»ý£¨mL£© | ±ê×¼ËáÌå»ý | |
µÎ¶¨Ç°µÄ¿Ì¶È£¨mL£© | µÎ¶¨ºóµÄ¿Ì¶È£¨mL£© | ||
µÚÒ»´Î | 10£®00 | 0£®40 | 20£®50 |
µÚ¶þ´Î | 10£®00 | 4£®10 | 24£®00 |
£¨5£©ÏÂÁÐʵÑé²Ù×÷»á¶ÔµÎ¶¨½á¹û²úÉúʲôºó¹û£¿£¨Ìî¡°Æ«¸ß¡±¡°Æ«µÍ¡±»ò¡°ÎÞÓ°Ï족£©
¢Ù ¹Û²ìËáʽµÎ¶¨¹ÜÒºÃæʱ£¬¿ªÊ¼¸©ÊÓ£¬µÎ¶¨ÖÕµãƽÊÓ£¬ÔòµÎ¶¨½á¹û____¡£
¢Ú Èô½«×¶ÐÎÆ¿Óôý²âÒºÈóÏ´£¬È»ºóÔÙ¼ÓÈë10£®00mL´ý²âÒº£¬ÔòµÎ¶¨½á¹û______________¡£