¢ñ£®ÊµÑéÊÒÐèÅäÖÆ500mL 0.2mol/L NaClÈÜÒº£®
£¨1£©±¾ÊµÑéÓõ½µÄÒÇÆ÷ÒÑÓÐÒ©³×¡¢ÉÕ±¡¢Á¿Í²¡¢ÍÐÅÌÌìƽ£¨íÀÂë¡¢Ä÷×Ó£©¡¢²£Á§°ô¡¢½ºÍ·µÎ¹Ü£¬»¹È±ÉٵIJ£Á§ÒÇÆ÷ÊÇ
£®
£¨2£©ÅäÖÆʱ£¬Ðè³ÆÈ¡NaClµÄÖÊÁ¿ÊÇ
g£®
£¨3£©ÔÚÅäÖƹý³ÌÖУ¬ÆäËû²Ù×÷¶¼ÕýÈ·µÄÇé¿öÏ£¬ÏÂÁвÙ×÷»áµ¼ÖÂËùÅäÖƵÄÈÜҺŨ¶ÈÆ«¸ßµÄÊÇ
£®£¨Ñ¡ÌîÐòºÅ£©
¢ÙûÓÐÏ´µÓÉÕ±ºÍ²£Á§°ô
¢Ú¼ÓÕôÁóˮʱ£¬²»É÷³¬¹ýÁ˿̶ȣ¬È¡³öÉÙÁ¿Ë®Ê¹ÒºÃæÇ¡ºÃµ½¿Ì¶ÈÏß
¢ÛÈÝÁ¿Æ¿²»¸ÉÔº¬ÓÐÉÙÁ¿ÕôÁóË®
¢Ü¶¨ÈÝʱÑöÊÓ±êÏß
¢Ý¶¨ÈÝʱ¸©ÊÓ±êÏß
¢ò£®Ä³´ß»¯¼ÁΪÌúµÄÑõ»¯Îһ»¯Ñ§ÐËȤС×éÔÚʵÑéÊÒÀï¶Ô¸Ã´ß»¯¼ÁÖÐÌúÔªËصļÛ̬½øÐÐ̽¾¿£º²éÔÄÓйØ×ÊÁϵÃÖªFe
2+Äܱ»ËáÐÔKMnO
4ÈÜÒºÑõ»¯¶øʹËáÐÔKMnO
4ÈÜÒºÍÊÉ«£»HNO
3¾ßÓÐÇ¿Ñõ»¯ÐÔ£®ÇëÍê³É¶ÔÌúÔªËؼÛ̬µÄ̽¾¿£º
£¨1£©Ìá³öºÏÀí¼ÙÉ裺
¼ÙÉè1£º´ß»¯¼ÁÖÐÌúÔªËØΪ+3¼Û£»
¼ÙÉè2£º
£»
¼ÙÉè3£º´ß»¯¼ÁÖÐÌúÔªËؼÈÓÐ+3¼ÛÓÖÓÐ+2¼Û£®
£¨2£©Éè¼ÆʵÑé·½°¸£®
£¨3£©¸ù¾Ý£¨2£©µÄʵÑé·½°¸½øÐÐʵÑ飺
²½Öè1£ºÈ¡Ò»¶¨Á¿µÄÏ¡ÁòËáÓÚÊÔ¹ÜÖУ¬¼ÓÈÈÖó·ÐÊý·ÖÖÓ£¬Ä¿µÄÊÇ
£»
²½Öè2£ºÈ¡ÉÙÁ¿ÑùÆ·ÓÚÊÔ¹ÜÖУ¬¼ÓÈë´¦Àí¹ýµÄÁòËá²¢¼ÓÈÈ£¬µÃµ½AÈÜÒº£»
²½Öè3£ºÈ¡AÈÜÒºÓÚÊԹܣ¬µÎ¼ÓKSCNÈÜÒº£¬Õñµ´£¬Èô²»³öÏÖѪºìÉ«£¬Ôò¼ÙÉè
³ÉÁ¢£»Èô³öÏÖѪºìÉ«£¬Ôò¼ÙÉè1»ò3³ÉÁ¢£»
²½Öè4£ºÎªÁ˽øÒ»²½È·¶¨²½Öè3ÖÐÊǼÙÉè1»¹ÊǼÙÉè3³ÉÁ¢£ºÁíÈ¡AÈÜÒºÓÚÊԹܣ¬¼ÓÈëKMnO
4ÈÜÒº£¬Õñµ´£¬Èô³öÏÖ
ÏÖÏó£¬Ôò¼ÙÉè1³ÉÁ¢£»·´Ö®£¬Ôò¼ÙÉè3³ÉÁ¢£®
£¨4£©·´Ë¼£º
ijͬѧ½«²½Öè2ÖеÄÏ¡ÁòËá¸Ä³ÉÏ¡ÏõËáµÃµ½ÁËAÈÜÒº£¬ÏòAÈÜÒºÖеμÓKSCNÈÜÒººó³öÏÖѪºìÉ«£¬Óɴ˵óö¸Ã´ß»¯¼ÁÖÐÌúÔªËØΪ+3¼ÛµÄ½áÂÛ£®ÇëÅжϸýáÂÛÊÇ·ñºÏÀí£º
£¨Ìî¡°ºÏÀí¡±»ò¡°²»ºÏÀí¡±£©£®