ÌâÄ¿ÄÚÈÝ
£¨1£©ÏÂÁÐÎïÖÊÖÐË®ÈÜÒºÄܵ¼µçµ«ÊôÓڷǵç½âÖʵÄÓÐ £¨ÌîÐòºÅ£©¢ÙÒÒ´¼ ¢Ú°±Æø ¢ÛÂÈÆø ¢ÜÂÈ»¯ÄÆ ¢ÝÁòËá ¢Þ¸É±ù ¢ßBaSO4 ¢à´×Ëá ¢áÇâÑõ»¯ÄÆ ¢âCaO
£¨2£©Ä³ÊµÑéÐèҪʹÓÃ240ml 0.4mol/L CuSO4ÈÜÒº£¬Óõ¨·¯ÅäÖƸÃŨ¶ÈÈÜÒºÐèҪʹÓõÄÒÇÆ÷ÓÐÍÐÅÌÌìƽ¡¢ÉÕ±¡¢²£Á§°ô¡¢ ¡¢ £»ÐèÒª³ÆÁ¿ ¿Ëµ¨·¯£»ÈôËù³Æµ¨·¯Ê§È¥²¿·Ö½á¾§Ë®£¬ÔòÅäÖƳöµÄÈÜҺŨ¶È ¡££¨ÌîÆ«¸ß¡¢Æ«µÍ»òÎÞÓ°Ï죩
£¨3£©ºº×ÏÊÇÖйú¹Å´ú±øÂíÙ¸ºÍ¹Å´ú±Ú»ÖеÄÒ»ÖÖÑÕÁÏ£¬Æ仯ѧʽÊÇBaCuSi2O6£¬ÇëÓÃÑõ»¯ÎïµÄÐÎʽ±íʾÆä×é³É£º ¡£
£¨1£©¢Ú¢Þ£¨¶àÑ¡¡¢ÉÙÑ¡¡¢´íÑ¡²»¸ø·Ö£©£¨2·Ö£©
£¨2£©250ml ÈÝÁ¿Æ¿£¨1·ÖûÓÐ250ml²»µÃ·Ö£©¡¢½ºÍ·µÎ¹Ü£¨1·Ö£©£»25.0£¨Ð´25Ò²¸ø·Ö£©£¨2·Ö£©£»Æ«¸ß£¨2·Ö£©
£¨3£©BaO¡¤CuO¡¤2SiO2£¨2·Ö£©
¡¾½âÎö¡¿
ÊÔÌâ·ÖÎö£º£¨1£©µç½âÖÊÊÇÖ¸ÔÚË®ÈÜÒº»òÈÛ»¯×´Ì¬ÏÂÄܵ¼µçµÄ»¯ºÏÎ¶ø·Çµç½âÖÊÊÇÖ¸ÔÚË®ÈÜÒººÍÈÛ»¯×´Ì¬Ï¶¼²»Äܵ¼µçµÄ»¯ºÏÎï¡£µç½âÖÊ°üÀ¨Ëá¡¢¼î¡¢ÑΡ¢Ë®¼°»îÆýðÊôÑõ»¯Îµ¥ÖʺͻìºÏÎï¼È²»Êǵç½âÖÊÒ²²»ÊǷǵç½âÖÊ¡£¾Ý´ËÅÐ¶Ï ¢ÜÂÈ»¯ÄÆ ¢ÝÁòËá ¢ßBaSO4 ¢à´×Ëá ¢áÇâÑõ»¯ÄÆ ¢âCaOΪµç½âÖÊ£¬¢ÙÒÒ´¼ ¢Ú°±Æø ¢Þ¸É±ùΪ·Çµç½âÖÊ£»¶øÒÒ´¼µÄË®ÈÜÒº²»µ¼µç£¬´ð°¸Îª¢Ú¢Þ£»£¨2£©Ò»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖƲÙ×÷²½ÖèÓУº¼ÆËã¡¢³ÆÁ¿¡¢Èܽ⡢ÒÆÒº¡¢Ï´µÓ¡¢¶¨ÈÝ¡¢Ò¡ÔȵȲÙ×÷£¬¸ù¾Ý²Ù×÷²½ÖèÑ¡ÔñËùÐèµÄÒÇÆ÷£»³ÆÁ¿Óõ½ÍÐÅÌÌìƽºÍÒ©³×£¬ÈܽâÓõ½ÉÕ±ºÍ²£Á§°ô£¬ÒÆÒºÓõ½ÈÝÁ¿Æ¿£¬ÊµÑéÊÒûÓÐ240mLÈÝÁ¿Æ¿£¬Ó¦Ñ¡Ôñ250mLÈÝÁ¿Æ¿£¬¶¨ÈÝÓõ½½ºÍ·µÎ¹Ü£»È±ÉÙµÄÒÇÆ÷Ϊ250ml ÈÝÁ¿Æ¿¡¢½ºÍ·µÎ¹Ü£»ÀûÓÃn=cv¼ÆËã³öÁòËá͵ÄÎïÖʵÄÁ¿£¬ÁòËáÍÓëÁòËá;§ÌåµÄÎïÖʵÄÁ¿ÏàµÈ£¬ÔÙ¸ù¾Ým=nM¼ÆËãËùÐèÁòËá;§ÌåµÄÖÊÁ¿£»ÐèÁòËá;§ÌåµÄÖÊÁ¿Îªm=0.25L¡Á0.40mol?L-1¡Á250g/mol=25.0g£»ÈôËù³Æµ¨·¯Ê§È¥²¿·Ö½á¾§Ë®£¬Ôò³ÆÁ¿µÄÁòËá͵ÄÖÊÁ¿Æ«´ó£¬ÅäÖƳöµÄÈÜҺŨ¶ÈÆ«¸ß£»£¨3£©ºº×ÏÊÇÖйú¹Å´ú±øÂíÙ¸ºÍ¹Å´ú±Ú»ÖеÄÒ»ÖÖÑÕÁÏ£¬Æ仯ѧʽÊÇBaCuSi2O6£¬±µÔªËØΪ+2¼Û£¬ÍÔªËØΪ+2¼Û£¬¹èÔªËØΪ+4¼Û£¬ÑõÔªËØΪ¡ª2¼Û£¬ÓÃÑõ»¯ÎïµÄÐÎʽ±íʾÆä×é³ÉΪ£ºBaO¡¤CuO¡¤2SiO2¡£
¿¼µã£º¿¼²éµç½âÖʺͷǵç½âÖʵÄÅжϡ¢Ò»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖÆ¡¢»¯ºÏ¼Û¹æÔò¼°»¯Ñ§Ê½µÄÊéд¡£