½â£º£¨1£©ÏõËáÒø¡¢ÁòËá¼ØÊôÓÚÑÎÊǵç½âÖÊ£¬µ«ÎÞÇ¿Ñõ»¯ÐÔ£®ÕáÌÇÊǷǵç½âÖÊ£® ¸ßÃÌËá¼ØÊǵç½âÖÊ£¬ÓÐÇ¿Ñõ»¯ÐÔ£®
¹ÊÑ¡£ºB£®
£¨2£©¸ßÃÌËá¼ØµÄÎïÖʵÄÁ¿Îªn£¨KMnO
4£©=
=
=0.0015mol£®
ÁòËá¼ØµÄÎïÖʵÄÁ¿Îªn£¨K
2SO
4£©=
=0.0025mol£¬
n£¨K
+£©=n£¨KMnO
4£©+2n£¨K
2SO
4£©=0.0015mol+2¡Á0.0025mol=0.0065mol£¬
ËùÒÔc£¨K
+£©=
=0.013mol/L£®
¹Ê´ð°¸Îª£º0.013mol/L£®
£¨3£©²Ù×÷²½ÖèÓмÆËã¡¢³ÆÁ¿¡¢Èܽ⡢ÒÆÒº¡¢Ï´µÓÒÆÒº¡¢¶¨ÈÝ¡¢Ò¡ÔȵȲÙ×÷£¬Ò»°ãÓÃÍÐÅÌÌìƽ³ÆÁ¿£¬ÓÃÒ©³×È¡ÓÃÒ©Æ·£¬ÔÚÉÕ±ÖÐÈܽ⣨¿ÉÓÃÁ¿Í²Á¿È¡Ë®¼ÓÈëÉÕ±£©£¬²¢Óò£Á§°ô½Á°è£¬¼ÓËÙÈܽ⣮ÀäÈ´ºóתÒƵ½500mLÈÝÁ¿Æ¿ÖУ¬²¢Óò£Á§°ôÒýÁ÷£¬Ï´µÓÉÕ±¡¢²£Á§°ô2-3´Î£¬²¢½«Ï´µÓÒºÒÆÈëÈÝÁ¿Æ¿ÖУ¬¼ÓË®ÖÁÒºÃæ¾àÀë¿Ì¶ÈÏß1¡«2cmʱ£¬¸ÄÓýºÍ·µÎ¹ÜµÎ¼Ó£¬×îºó¶¨Èݵߵ¹Ò¡ÔÈ£®ËùÒÔÕýÈ·µÄ²Ù×÷˳ÐòΪ¢Ú¢Ù¢Û¢à¢Ý¢Þ¢Ý¢ß¢Ü£®
¹Ê´ð°¸Îª£º¢Ú¢Ù¢Û¢à¢Ý¢Þ¢Ý¢ß¢Ü£®
£¨4£©ÓÉ£¨3£©ÖвÙ×÷¿ÉÖª£¬ÒòÅäÖÆ500mLÈÜÒº£¬ÔòÐèÑ¡ÓÃ500mLÈÝÁ¿Æ¿£¬×îºóÐ轺ͷµÎ¹Ü¶¨ÈÝ£¬ËùÒÔËùÐèÒÇÆ÷³ýÍÐÅÌÌìƽ¡¢ÉÕ±¡¢²£Á§°ô¡¢Ò©³×Í⻹Ðè500mLÈÝÁ¿Æ¿¡¢½ºÍ·µÎ¹Ü£®
¹Ê´ð°¸Îª£º500mLÈÝÁ¿Æ¿¡¢½ºÍ·µÎ¹Ü£®
£¨4£©A£®¶¨ÈÝʱ¸©Êӿ̶ÈÏߣ¬µ¼ÖÂÈÜÒºÌå»ýƫС£¬ËùÅäÈÜҺŨ¶ÈÆ«¸ß£»
B£®×îºóÐèÒª¶¨ÈÝ£¬ÈÝÁ¿Æ¿²»¸ÉÔº¬ÓÐÉÙÁ¿ÕôÁóË®£¬¶ÔÈÜҺŨ¶ÈÎÞÓ°Ï죻
C£®ÈÝÁ¿Æ¿ÔÚʹÓÃÇ°¸Õ¸ÕÅäÖÆÍêÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄKClÈÜÒº¶øδϴ¾»£¬ÈÝÁ¿Æ¿Õ´ÓÐÂÈ»¯¼Ø£¬ÂÈ»¯¼ØµÄʵ¼ÊÖÊÁ¿Æ«´ó£¬ËùÅäÈÜҺŨ¶ÈÆ«¸ß£»
D£®¶¨ÈÝÒ¡ÔȺó·¢ÏÖÒºÃæµÍÓÚÈÝÁ¿Æ¿µÄ¿Ì¶ÈÏߣ¬Ò»²¿·ÖÈÜÒºÁôÔÚÆ¿ÈûÓëÆ¿¿ÚÖ®¼ä£¬Î´×öÈκδ¦Àí£¬¶ÔËùÅäÈÜҺŨ¶ÈÎÞÓ°Ï죮
¹ÊÑ¡£ºAC£®
·ÖÎö£º£¨1£©µç½âÖÊÖªÔÚÈÜÒºÖлòÈÛÈÚ״̬ÏÂÄܵ¼µçµÄ»¯ºÏÎ¸ßÃÌËá¼Ø¾ßÓÐÇ¿Ñõ»¯ÐÔ£®
£¨2£©K
+À´×Ô¸ßÃÌËá¼Ø¡¢ÁòËá¼ØµÄµçÀ룬ÓÉn=
¼ÆËã¸ßÃÌËá¼Ø¡¢ÁòËá¼ØµÄÎïÖʵÄÁ¿£¬
¸ù¾Ý¼ØÀë×ÓÊغã¿ÉÖªn£¨K
+£©=n£¨KMnO
4£©+2n£¨K
2SO
4£©£¬ÔÙ¸ù¾ÝÎïÖʵÄÁ¿Å¨¶È¶¨Òå¼ÆËã¼ØÀë×ÓÎïÖʵÄÁ¿Å¨¶È£®
£¨3£©¸ù¾ÝÅäÖÆÈÜÒºµÄʵÑé²Ù×÷¹ý³Ì½øÐÐʵÑé²½ÖèÅÅÐò£®
£¨4£©¸ù¾ÝÈÜÒºµÄÅäÖƲ½ÖèÀ´·ÖÎöʹÓõÄÒÇÆ÷£»
£¨5£©·ÖÎö²Ù×÷¶ÔÈÜÖʵÄÎïÖʵÄÁ¿»ò¶ÔÈÜÒºµÄÌå»ýµÄÓ°Ï죬¸ù¾Ýc=
·ÖÎöÅжϣ®
µãÆÀ£ºÒÔÏÊ»¨±£ÏʼÁΪÔØÌ壬Ö÷Òª¿¼²éÈÜÒºÅäÖÆ£¬ÄѶÈÖеȣ¬×¢Òâ´Óc=
Àí½âÅäÖÆÔÀí£®