ij·´Ó¦ÌåϵµÄÎïÖÊÓУºNaOH¡¢Au2O3¡¢Na2S4O6¡¢Na2S2O3¡¢Au2O¡¢H2O¡£

   (1)Ç뽫Au2O3Ö®ÍâË­·´Ó¦ÎïÓëÉú³ÉÎï·Ö±ðÌîÈëÒÔÏ¿ոñÄÚ¡£

   (2)·´Ó¦ÖУ¬±»»¹Ô­µÄÔªËØÊÇ_______£¬»¹Ô­¼ÁÊÇ____________¡£

(3)½«Ñõ»¯¼ÁÓ뻹ԭ¼ÁÌîÈë¿Õ¸ñÖУ¬²¢±ê³öµç×ÓתÒƵķ½ÏòºÍÊýÄ¿¡£

(4)·ÄÖ¯¹¤ÒµÖг£ÓÃÂÈÆø×÷Ư°×¼Á£¬Na2S2O3¿É×÷ΪƯ°×ºó²¼Æ¥¡°ÍÑÂȼÁ¡±£¬Na2S2O3ºÍCl2·´Ó¦µÄ²úÎïÊÇH2SO4¡¢NaClºÍHCl£¬Ôò»¹Ô­¼ÁÓëÑõ»¯¼ÁÎïÖʵÄÁ¿Ö®±ÈΪ__________¡£

(1)Au2O3¡¢Na2S2O3¡¢H2O¡¢Na2S4O6¡¢Au2O¡¢NaOH¡£

(2)Au(+3)£»Na2S2O3¡£

(3)                      

(4)1¡Ã4¡£


½âÎö:

ÒòΪAu2O3Ϊ·´Ó¦ÎÔòAu2O±Ø¶¨ÎªÉú³ÉÎÔÚAu2O3ÖÐAuµÄ»¯ºÏ¼ÛΪ£«3£¬Au2OÖÐAuµÄ»¯ºÏ¼ÛΪ£«1£¬¼´AuÔÚ·´Ó¦Öл¯ºÏ¼Û½µµÍ£¬ÔòÁíÒ»ÖÖÔªËصĻ¯ºÏ¼Û±Ø¶¨Éý¸ß£¬ÔÚNa2S2O3ÖÐSµÄ»¯ºÏ¼ÛΪ£«2£¬Na2S4O6ÖÐSµÄ»¯ºÏ¼ÛΪ2.5¼Û£¬ËùÒÔNa2S2O3Ϊ·´Ó¦ÎNa2S4O6ΪÉú³ÉÎ¸ù¾Ý»¯ºÏ¼ÛµÄÉý½µ×ÜÊýÏàµÈ£¬ÔÚNa2S4O6Ç°Åä2£¬ÓÉSÊغ㣬¿ÉÖªNa2S2O3Ç°Åä4£¬Au2O3ºÍAu2OÇ°·Ö±ðÅä1£¬ÔÙ¸ù¾ÝNa£«Êغ㣬ÔòÉú³ÉÎïÖбض¨ÎªNaOH£¬ÇÒÅäƽϵÊýΪ4£¬ÔòH2OΪ·´Ó¦ÎÔÚÆäÇ°ÃæÅä2£¬ÅäƽºóµÄ»¯Ñ§·½³ÌʽΪ£ºAu2O3£«4Na2S2O3£«2H2O===Au2O£«2Na2S4O6£«4NaOH¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ij·´Ó¦ÌåϵµÄÎïÖÊÓУºH2SO4¡¢KMnO4¡¢MnSO4¡¢CO2¡¢K2C2O4¡¢K2SO4¡¢H2O£®£¨ÒÑÖªCO2ΪÉú³ÉÎ
£¨1£©½«ÉÏÊöÎïÖÊÌîÈëÒÔÏ¿ոñÄÚ£¬×é³ÉÒ»¸öÅäƽµÄ»¯Ñ§·´Ó¦·½³Ìʽ£¬²¢±ê³öµç×ÓתÒÆÊýÄ¿£®

£¨2£©ÉÏÊö·´Ó¦ÖУ¬±»Ñõ»¯µÄÔªËØÊÇ
̼
̼
£¬Ñõ»¯²úÎïÊÇ
CO2
CO2
£®
£¨3£©µ±ÓÐ1molµÄÑõ»¯¼Á²Î¼Ó·´Ó¦Ê±£¬×ªÒƵĵç×ÓÊýÊÇ
5
5
mol£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ij·´Ó¦ÌåϵµÄÎïÖÊÓУºNaOH¡¢Au2O3¡¢Na2S4O6¡¢Na2S2O3¡¢Au2O¡¢H2O£®
ÏÂÁÐÑ¡ÏîÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨08ÄêÉϺ£¾í£©Ä³·´Ó¦ÌåϵµÄÎïÖÊÓУºNaOH¡¢Au2O3¡¢Na2S4O6¡¢Na2S2O3¡¢Au2O¡¢H2O¡£

   (1)Ç뽫Au2O3Ö®Íâ·´Ó¦ÎïÓëÉú³ÉÎï·Ö±ðÌîÈëÒÔÏ¿ոñÄÚ¡£

(2)·´Ó¦ÖУ¬±»»¹Ô­µÄÔªËØÊÇ_______£¬»¹Ô­¼ÁÊÇ____________¡£

(3)½«Ñõ»¯¼ÁÓ뻹ԭ¼ÁÌîÈë¿Õ¸ñÖУ¬²¢±ê³öµç×ÓתÒƵķ½ÏòºÍÊýÄ¿¡£

(4)·ÄÖ¯¹¤ÒµÖг£ÓÃÂÈÆø×÷Ư°×¼Á£¬Na2S2O3¿É×÷ΪƯ°×ºó²¼Æ¥¡°ÍÑÂȼÁ¡±£¬Na2S2O3ºÍCl2·´Ó¦µÄ²úÎïÊÇH2SO4¡¢NaClºÍHCl£¬Ôò»¹Ô­¼ÁÓëÑõ»¯¼ÁÎïÖʵÄÁ¿Ö®±ÈΪ__________¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄêºþ±±Ê¡¸ßÈý11ÔÂÁª¿¼»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÑ¡ÔñÌâ

ij·´Ó¦ÌåϵµÄÎïÖÊÓУºNaOH¡¢Au2O3¡¢Na2S4O6¡¢Na2S2O3¡¢Au2O¡¢H2O¡£

ÏÂÁÐÑ¡ÏîÕýÈ·µÄÊÇ                                                                                    £¨    £©

      A£®¿òͼÖеÄÎïÖÊ·Ö±ðΪ£ºNa2S4O6¡¢H2O¡¢Na2S2O3¡¢Au2O¡¢NaOH

      B£®¿òͼÖеÄÎïÖÊ·Ö±ðΪ£ºNa2S2O3¡¢NaOH¡¢Na2S4O6¡¢Au2O¡¢H2O

      C£®¿òͼÖеÄÎïÖÊ·Ö±ðΪ£ºNa2S2O3¡¢H2O¡¢Na2S4O6¡¢Au2O¡¢NaOH

      D£®µ±1 mol Au2O3ÍêÈ«·´Ó¦Ê±£¬×ªÒƵç×ÓµÄÎïÖʵÄÁ¿Îª6 mol

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸