ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÂÁºÍ¹è¾ùÄÜÓëÇ¿¼îÈÜÒº·´Ó¦£¬Àë×Ó·½³Ìʽ·Ö±ðΪ£º2Al + 2OH- + 2H2O = 2AlO2- + 3H2¡ü £¬Si + 2OH-+ H2O = SiO32 - + 2H2¡ü¡£ÏÖÓÐÒ»Ìú¡¢¹è¡¢ÂÁµÄ»ìºÏÎï13.0g£¬µ±Óë×ãÁ¿ÑÎËᷴӦʱ£¬Éú³É±ê×¼×´¿öϵÄÇâÆø11.2L£»Èô½«µÈÖÊÁ¿µÄ»ìºÏÎïÓë×ãÁ¿µÄNaOHÈÜÒº·´Ó¦Ê±£¬Éú³ÉµÄH2ÔÚ±ê×¼×´¿öÏÂÒ²ÊÇ11.2L ¡£ÇóÔ»ìºÏÎïÖи÷×é·ÖµÄÖÊÁ¿¡£
¡¾´ð°¸¡¿Fe¡¢Si¡¢AlµÄÖÊÁ¿·Ö±ðΪ£º4.31g¡¢1.08g¡¢7.62g¡£
¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£º¼ÙÉè13.0gÌú¡¢¹è¡¢ÂÁµÄ»ìºÏÎïÖк¬ÓÐÌú¡¢¹è¡¢ÂÁµÄÎïÖʵÄÁ¿·Ö±ðÊÇx¡¢y¡¢z£¬½«Ìú¡¢¹è¡¢ÂÁµÄ»ìºÏÎï13.0gÓë×ãÁ¿ÑÎËá»ìºÏʱֻÓÐFe¡¢Al·¢Éú·´Ó¦£¬2Al+6HCl£½2AlCl3+3H2¡ü£¬Fe+2HCl£½FeCl2+H2¡ü£¬Ôò¸ù¾Ý·½³Ìʽ¿ÉÖª3/2z+x£½11.2L¡Â22.4L/mol£»µ±½«µÈÖÊÁ¿µÄ»¯ºÏÎïÖмÓÈë×ãÁ¿µÄÇ¿¼îNaOHÈÜҺʱ£¬·¢Éú·´Ó¦£º2Al + 2NaOH + 2H2O £½ 2NaAlO2+ 3H2¡ü£»Si + 2NaOH + H2O £½ Na2SiO3+ 2H2¡ü¡£Fe²»ÄÜ·¢Éú·´Ó¦£¬¿ÉµÃ·½³Ìʽ£º3z/2 + 2y £½ 11.2L¡Â22.4L/mol£»¸ù¾ÝÖÊÁ¿¹Øϵ¿ÉµÃ56x + 28y + 27z £½ 13.0£¬½âµÃx £½ 1/13mol£»y £½ 1/26mol£»z £½ 11/39mol¡£ÔòËüÃǵÄÖÊÁ¿ÊÇm(Fe) =" 1/13mol" ¡Á 56g/mol £½ 4.31g£»m(Si) £½ 1/26mol ¡Á 28g/mol £½ 1.08g£»m(Al) £½ 11/39mol¡Á27g/mol £½ 7.62g¡£
¡¾ÌâÄ¿¡¿A¡¢B¡¢D¡¢E¡¢FΪ¶ÌÖÜÆÚÔªËØ£¬·Ç½ðÊôÔªËØA×îÍâ²ãµç×ÓÊýÓëÆäÖÜÆÚÊýÏàͬ£¬BµÄ×îÍâ²ãµç×ÓÊýÊÇÆäËùÔÚÖÜÆÚÊýµÄ2±¶¡£BµÄµ¥ÖÊÔÚDµÄµ¥ÖÊÖгä·ÖȼÉÕÄÜÉú³ÉÆä×î¸ß¼Û»¯ºÏÎïBD2¡£E+ÓëD2£¾ßÓÐÏàͬµÄµç×ÓÊý¡£AµÄµ¥ÖÊÔÚFµÄµ¥ÖÊÖÐȼÉÕ£¬²úÎïÈÜÓÚË®µÃµ½Ò»ÖÖÇ¿ËáG¡£
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©AÔÚÖÜÆÚ±íÖеÄλÖÃÊÇ ¡£
£¨2£©B¡¢D¡¢E×é³ÉµÄÒ»ÖÖÑÎÖУ¬EµÄÖÊÁ¿·ÖÊýΪ43.4%£¬ÆäË×ÃûΪ ¡£
£¨3£©ÓÉÉÏÊöÔªËØ×é³ÉµÄÏÂÁÐÎïÖÊ£¬Æä×é³ÉºÍ½á¹¹ÐÅÏ¢ÈçÏÂ±í£º
ÎïÖÊ | ×é³ÉºÍ½á¹¹ÐÅÏ¢ |
a | º¬ÓÐAµÄ¶þÔªÀë×Ó»¯ºÏÎï |
b | º¬Óй²¼Û¼üµÄ¶þÔªÀë×Ó»¯ºÏÎÇÒÔ×ÓÊýÖ®±ÈΪ1:1 |
c | »¯Ñ§Ê½ÎªAFD |
d | ÓÉD¡¢E¡¢FÈýÖÖÔªËØ×é³ÉÀë×Ó»¯ºÏÎµç×Ó×ÜÊýΪ52 |
e | ÓÉD¡¢F×é³ÉµÄ»¯ºÏÎFµÄÖÊÁ¿·ÖÊýΪ52.6% |
aµÄµç×ÓʽΪ £¬bµÄ»¯Ñ§Ê½Îª £¬cµÄ½á¹¹Ê½Îª ¡£
¢ÚeÊÇÊÀÎÀ×é֯ȷÈϵÄA¼¶ÐÂÐ͸ßЧ°²È«µÄÏû¶¾¼Á£¬Æ䰲ȫÐÔÔ¶¸ßÓÚÂÈÆø¡£Å·ÖÞһЩ¹ú¼ÒÓÃdÑõ»¯GµÄŨÈÜÒºÀ´ÖÆÈ¡e£¬Í¬Ê±ÓÐFµ¥ÖÊÉú³É£¬ÇÒFµ¥ÖʵÄÌå»ýΪeµÄÒ»°ë£¬Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ ¡£