¹ú¼Ò¹æ¶¨FeCl3¡¤6H2O¶þ¼¶Æ·ÖÐFeCl3¡¤6H2OÖÊÁ¿·ÖÊý²»µÍÓÚ99£¥£»Èý¼¶Æ·ÖÐFeCl3¡¤6H2OÖÊÁ¿·ÖÊý²»µÍÓÚ98£¥£¬ÏÖ³ÆÈ¡ÑùÆ·0.500 g£¬ÓÃÊÊÁ¿ÕôÁóË®³ä·ÖÈܽâºó£¬ÏòÆäÖмÓÉÙÁ¿ÑÎËáËữ£¬ÔÙ¼Ó¹ýÁ¿µÄKIÈÜҺʹÆä³ä·Ö·´Ó¦(»¯Ñ§·½³Ìʽ£º2Fe3+£«2I£­£½2Fe2+£«I2)£¬×îºóÓÃ0.100 mol/LµÄ±ê×¼Na2S2O3ÈÜÒºµÎ¶¨(»¯Ñ§·½³Ìʽ£º2Na2S2O3£«I2£½Na2S4O6£«2NaI)£¬µÎ¶¨µ½ÖÕµãʱÓÃÈ¥18.17 L±ê×¼ÈÜÒº£¬Çë»Ø´ð£º

(1)µÎ¶¨ÖÐËùÓÃָʾ¼ÁÊÇ________£¬ÖÕµãÏÖÏóÊÇ____________________£®

(2)ͨ¹ý¼ÆËã˵Ã÷´ËÑùÆ·ÊôÓÚÄÄÒ»¼¶²úÆ·£¿

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£ºÎïÀí½ÌÑÐÊÒ ÌâÐÍ£º038

ijÊÔ¼Á³§Éú²úµÄ»¯Ñ§ÊÔ¼ÁFeCl3¡Á6H2O£¬¹ú¼Ò¹æ¶¨Æä¶þ¼¶Æ·ÖÊÁ¿·ÖÊý²»µÍÓÚ99.0%£¬Èý¼¶Æ·ÖÊÁ¿·ÖÊý²»µÍÓÚ98.0%¡£ÏÖ³ÆÈ¡0.500gÑùÆ·½«ÆäÈÜÓÚË®£¬ÏòËùµÃÈÜÒºÖмÓÉÙÁ¿ÑÎËáʹ֮Ëữ£¬²¢¼ÓÈë¹ýÁ¿µÄKIÈÜÒº³ä·Ö·´Ó¦(2Fe3++2I-=2Fe2++I2)£¬×îºóÓÃ0.100mol/LµÄNa2S2O3±ê×¼ÈÜÒºµÎ¶¨£¬Na2S2O3ÓëI2·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£ºI2+2Na2S2O3=2NaI+Na2S4O6£¬µÎ¶¨´ïÖÕµãʱÓÃÈ¥Na2S2O318.17mL£¬ÊÔͨ¹ý¼ÆËã˵Ã÷´ËÑùÆ·ÊôÓÚÄÄÒ»¼¶²úÆ·£¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º038

ijÊÔ¼Á³§Éú²úµÄ»¯Ñ§ÊÔ¼ÁFeCl3¡Á6H2O£¬¹ú¼Ò¹æ¶¨Æä¶þ¼¶Æ·ÖÊÁ¿·ÖÊý²»µÍÓÚ99.0%£¬Èý¼¶Æ·ÖÊÁ¿·ÖÊý²»µÍÓÚ98.0%¡£ÏÖ³ÆÈ¡0.500gÑùÆ·½«ÆäÈÜÓÚË®£¬ÏòËùµÃÈÜÒºÖмÓÉÙÁ¿ÑÎËáʹ֮Ëữ£¬²¢¼ÓÈë¹ýÁ¿µÄKIÈÜÒº³ä·Ö·´Ó¦(2Fe3++2I-=2Fe2++I2)£¬×îºóÓÃ0.100mol/LµÄNa2S2O3±ê×¼ÈÜÒºµÎ¶¨£¬Na2S2O3ÓëI2·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£ºI2+2Na2S2O3=2NaI+Na2S4O6£¬µÎ¶¨´ïÖÕµãʱÓÃÈ¥Na2S2O318.17mL£¬ÊÔͨ¹ý¼ÆËã˵Ã÷´ËÑùÆ·ÊôÓÚÄÄÒ»¼¶²úÆ·£¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ijÊÔ¼Á³§Éú²ú»¯Ñ§ÊÔ¼ÁFeCl3?6H2O£¬¹ú¼Ò¹æ¶¨Æä¶þ¼¶Æ·º¬Á¿²»µÍÓÚ99.0%£¬Èý¼¶Æ·º¬Á¿²»µÍÓÚ98.0%¡£ÏÖ³ÆÈ¡0.500gÑùÆ·½«ÆäÈÜÓÚË®£¬ÏòËùµÃÈÜÒºÖмÓÈëÉÙÁ¿ÑÎËáʹ֮Ëữ£¬²¢¼ÓÈë¹ýÁ¿µÄKIÈÜÒº³ä·Ö·´Ó¦£º2Fe3£«+2I£­£½2Fe2£«+I2¡£×îºóÓÃ0.100mol?L-1µÄNa2S2O3±ê×¼ÈÜÒºµÎ¶¨£¬Na2S2O3ÓëI2·´Ó¦µÄ»¯Ñ§·½³ÌʽΪI2+ 2Na2S2O3£½2NaI+Na2S4O6£¬µÎ¶¨´ïÖÕµãʱÓÃÈ¥Na2S2O3ÈÜÒº18.17mL¡£ÊÔͨ¹ý¼ÆËã˵Ã÷´ËÑùÆ·ÊôÓÚÄÄÒ»¼¶²úÆ·£¿

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸