ÌâÄ¿ÄÚÈÝ
ÒÑ֪ij»ìºÏ½ðÊô·ÛÄ©£¬³ýÂÁÍ⻹º¬ÓÐÌú¡¢ÍÖеÄÒ»ÖÖ»òÁ½ÖÖ£¬Ëùº¬½ðÊôµÄÁ¿¶¼ÔÚ5£¥ÒÔÉÏ¡£ÇëÉè¼ÆʵÑé̽¾¿¸Ã·ÛÄ©ÖÐÌú¡¢ÍµÄ´æÔÚ¡£
×ÊÁÏÔÚÏߣºÂÁÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦Éú³ÉÈÜÓÚË®µÄÆ«ÂÁËáÄƺÍÇâÆø£¨2Al+2H2O+2NaOH=2NaAlO2+3H2¡ü£©£¬ÌúºÍͲ»ÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦¡£
¿É¹©Ñ¡ÔñµÄʵÑéÓÃÆ·£ºÉÕ±¡¢´óÊԹܡ¢Á¿Í²¡¢µÎ¹Ü¡¢È¼Éճס¢Ò©³×¡¢´ÅÌú£»Ï¡ÁòËᡢϡÑÎËá¡¢NaOHÒº¡¢°±Ë®¡£
ÇëÄã²ÎÓë²¢Íê³ÉÒÔÏÂʵÑé̽¾¿¹ý³Ì£º
¢ñ¡¢Ìá³ö¼ÙÉè
¼ÙÉè1£º¸Ã»ìºÏ½ðÊô·ÛÄ©ÖгýÂÁÍ⻹º¬ÓÐFe¡£
¼ÙÉè2£º¸Ã»ìºÏ½ðÊô·ÛÄ©ÖгýÂÁÍ⻹º¬ÓÐ ¡£
¼ÙÉè3£º¸Ã»ìºÏ½ðÊô·ÛÄ©ÖгýÂÁÍ⻹º¬ÓÐFe¡¢Cu¡£
¢ò¡¢Éè¼Æ²¢ÊµÊ©ÊµÑé·½°¸
£¨1£©»ùÓÚ¼ÙÉè1£¬²»Óû¯Ñ§ÊÔ¼Á£¬Ö¤Ã÷½ðÊôÌúµÄ´æÔÚ ¡£
£¨2£©»ùÓÚ¼ÙÉè2£¬½«»ìºÏ½ðÊô·ÛÄ©¼ÓÈë×ãÁ¿Ï¡ÑÎËᣬÄã¹Û²ìµ½µÄÏÖÏóÊÇ £¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ ¡£
£¨3£©»ùÓÚ¼ÙÉè3£¬ÇëÄãÍê³ÉʵÑé²Ù×÷£¬ÃèÊöʵÑéÏÖÏó¡£
ʵÑé²½Öè | ʵÑé²Ù×÷£¨ËµÃ÷ÒÇÆ÷ºÍÊÔ¼Á£© | ʵÑéÏÖÏó | ½áÂÛ |
¢Ù | ½ö³ýÈ¥ÂÁ | ||
¢Ú | Ö¤Ã÷º¬ÓÐÌú | ||
¢Û | ½«´óÊԹܾ²Öã¬ÆúÈ¥ÉϲãÇåÒº£¬¼ÓË®£¬¶à´ÎÏ´µÓÊ£Óà¹ÌÌå | Ê£Óà¹ÌÌå³Ê×ϺìÉ« | Ö¤Ã÷º¬ÓÐÍ |
¢ñ¡¢Cu£¨»òÍ£©
¢ò¡¢£¨1£©ÓôÅÌúÎüÒý½ðÊô·ÛÄ©£¬ÓзÛÄ©±»Îü¸½£¬Ö¤Ã÷º¬ÓÐÌú
£¨2£©ÓÐÆøÌåÉú³É£¬Ê£Óಿ·Ö¹ÌÌå 2A1+6HCl==2AlCl3+3H2¡ü
£¨3£©
¢Ù | ÓÃÒ©³×È¡ÉÙÐí·ÛÄ©Èë´óÊÔ¹ÜÖУ¬ÔÙÓõιܵμÓ×㣨¹ý£©Á¿µÄNaOHÈÜÒº£¬³ä·Ö·´Ó¦ºó£¬¾²Öã¬ÆúÈ¥ÇåÒºµÃµ½¹ÌÌå¡£ | ·ÛÄ©²¿·ÖÈܽ⣬²¢ÓÐÆøÌå·Å³ö |
¢Ú | Íù´óÊÔ¹ÜÖмÓ×㣨¹ý£©Á¿µÄÏ¡ÁòËᣨ»òÏ¡ÑÎËᣩ£¬³ä·Ö·´Ó¦ | ¹ÌÌ岿·ÖÈܽ⣬²¢ÓÐÆøÌå·Å³ö£¬ÈÜÒº³ÊdzÂÌÉ« |
×ÊÁÏÔÚÏߣºÂÁÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦Éú³ÉÈÜÓÚË®µÄÆ«ÂÁËáÄƺÍÇâÆø
£¨2Al+2H2O+2NaOH=2NaAlO2+3H2¡ü£©£¬ÌúºÍͲ»ÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦£®
¿É¹©Ñ¡ÔñµÄʵÑéÓÃÆ·£ºÉÕ±¡¢´óÊԹܡ¢Á¿Í²¡¢µÎ¹Ü¡¢È¼Éճס¢Ò©³×¡¢´ÅÌú£»Ï¡ÁòËᡢϡÑÎËá¡¢
Na0HÈÜÒº¡¢°±Ë®£®
ÇëÄã²ÎÓë²¢Íê³ÉÒÔÏÂʵÑé̽¾¿¹ý³Ì£º
¢ñ¡¢Ìá³ö¼ÙÉè ¼ÙÉè1£º¸Ã»ìºÏ½ðÊô·ÛÄ©ÖгýÂÁÍ⻹º¬ÓÐFe£®
¼ÙÉè2£º¸Ã»ìºÏ½ðÊô·ÛÄ©ÖгýÂÁÍ⻹º¬ÓÐ
¼ÙÉè3£º¸Ã»ìºÏ½ðÊô·ÛÄ©ÖгýÂÁÍ⻹º¬ÓÐFe¡¢Cu£®
¢ò¡¢Éè¼Æ²¢ÊµÊ©ÊµÑé·½°¸
£¨1£©»ùÓÚ¼ÙÉè1£¬²»Óû¯Ñ§ÊÔ¼Á£¬Ö¤Ã÷½ðÊôÌúµÄ´æÔÚ¿ÉÓÃ
£¨2£©»ùÓÚ¼ÙÉè2£¬½«»ìºÏ½ðÊô·ÛÄ©¼ÓÈë×ãÁ¿Ï¡ÑÎËᣬÄã¹Û²ìµ½µÄÏÖÏóÊÇ
£¨3£©»ùÓÚ¼ÙÉè3£¬ÇëÄãÍê³ÉʵÑé²Ù×÷£¬ÃèÊöʵÑéÏÖÏó
ʵÑé²½Öè | ʵÑé²Ù×÷£¨ËµÃ÷ÒÇÆ÷ºÍÊÔ¼Á£© | ʵÑéÏÖÏó | ½áÂÛ |
¢Ù | È¡ÉÙÐí·ÛÄ©·ÅÈë´óÊÔ¹ÜÖУ¬ÔÙÓÃµÎ¹ÜµÎ¼Ó |
¹ÌÌå·ÛÄ© ²¢ÓÐ |
½ö³ýÈ¥ÂÁ |
¢Ú | ÔÙÍù´óÊÔ¹ÜÖÐ¼Ó |
¹ÌÌå ÈÜÒº |
Ö¤Ã÷º¬ÓÐÌú |
¢Û | ½«´óÊԹܾ²Öã¬ÆúÈ¥ÉϲãÇåÒº£¬¼ÓË®£¬¶à´ÎÏ´µÓÊ£Óà¹ÌÌå | Ê£Óà¹ÌÌå³Ê×ϺìÉ« | Ö¤Ã÷º¬ÓÐÍ |
£¨1£©Îª²â¶¨»ìºÏ½ðÊô·ÛÄ©ÖÐÂÁµÄÖÊÁ¿·ÖÊý£¬½«5.6gµÄ½ðÊô·ÛÄ©ÖмÓÈë100gijÈÜÖÊÖÊÁ¿·ÖÊýµÄÏ¡ÁòËᣬǡºÃÍêÈ«·´Ó¦£¬²¢²úÉúa gÇâÆø£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ £¨
A£®µ±·ÛĩΪAl¡¢Feʱ£¬a¿ÉÄÜΪ0.2g
B£®µ±·ÛĩΪAl¡¢Cuʱ£¬·´Ó¦ÍêÈ«ºó£¬Éú³ÉÎïµÄÈÜÒºÀïÒ»¶¨º¬ÓÐAl2£¨SO4£©3ºÍCuSO4
C£®µ±·ÛĩΪAl¡¢Cuʱ£¬ÈôaΪ0.3g£¬Ôò¸ÃÖÖ·ÛÄ©Öк¬ÂÁµÄÖÊÁ¿·ÖÊýСÓÚ50%
D£®µ±·ÛĩΪAl¡¢Feʱ£¬ËùÐèÏ¡ÁòËáÈÜÖÊÖÊÁ¿·ÖÊýÒ»¶¨´óÓÚ9.8%
£¨2£©Èô5.6g·ÛĩΪÂÁºÍÍ£¬¼ÓÈë97.6g×ãÁ¿µÄÏ¡ÁòËᣬÍêÈ«·´Ó¦Éú³ÉÇâÆø0.3g£¬ÇóËùµÃAl2£¨SO4£©3ÈÜÒºÖÊÁ¿·ÖÊý£¨Al2£¨SO4£©3Ïà¶Ô·Ö×ÓÖÊÁ¿Îª342£¬ÒªÇóÓмÆËã¹ý³Ì£®