ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÒÑÖªÏÂÁÐÊ®ÖÖÎïÖÊ£º

¢ÙH2O¡¡¢ÚCu¡¡¢ÛNO¡¡¢ÜSiO2¡¡¢ÝÏ¡ÁòËá¡¡¢ÞÇâÑõ»¯±µ¡¡¢ß±¥ºÍFeCl3ÈÜÒº¡¡¢à°±Ë®¡¡¢áÏ¡ÏõËá¡¡¢âÁòËáÂÁ

¸ù¾ÝÉÏÊöÌṩµÄÎïÖÊ£¬»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÊôÓÚ´¿¾»ÎïµÄÊÇ__________£¬ÊôÓÚµç½âÖʵÄÊÇ__________¡£(ÌîÊý×ÖÐòºÅ)

£¨2£©·¢ÉúÖкͷ´Ó¦µÄÀë×Ó·½³ÌʽΪH£«£«OH£­===H2O£¬¸ÃÀë×Ó·´Ó¦¶ÔÓ¦µÄ»¯Ñ§·½³ÌʽÓÐ__________________________________¡£

£¨3£©ÊµÑéÊÒÖƱ¸ÉÙÁ¿Fe(OH)3½ºÌåËùÓõ½µÄÎïÖÊÓÐ________(ÌîÊý×ÖÐòºÅ)£¬·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ_________________________¡£

£¨4£©ÊµÑéÊÒÅäÖÆ0.5 mol¡¤L£­1 245 mL¢âµÄÈÜÒº£¬ÐèÒªÓõ½µÄ²£Á§ÒÇÆ÷Óв£Á§°ô¡¢ÉÕ±­¡¢½ºÍ·µÎ¹Ü¡¢________£¬ÐèÒªÓÃÍÐÅÌÌìƽ³ÆÈ¡ÈÜÖʵÄÖÊÁ¿Îª________g£¬´ÓÅäÖƺõÄÈÜÒºÖÐÈ¡³ö100 mL£¬ÆäÖк¬ÓеÄSO42¡ªÊýĿΪ________(ÉèNAΪ°¢·ü¼ÓµÂÂÞ³£ÊýµÄÖµ)¡£

¡¾´ð°¸¡¿ ¢Ù¢Ú¢Û¢Ü¢Þ¢â ¢Ù¢Þ¢â Ba(OH)2£«2HNO3===Ba(NO3)2£«2H2O ¢Ù¢ß Fe3£«£«3H2O3H£«£«Fe(OH)3(½ºÌå) 250 mLÈÝÁ¿Æ¿ 42.8 0.15NA

¡¾½âÎö¡¿£¨1£©H2O¡¢Cu¡¢NO¡¢SiO2¡¢ÇâÑõ»¯±µ¡¢ÁòËáÂÁÊôÓÚ´¿¾»Î¹Ê´ð°¸Îª¢Ù¢Ú¢Û¢Ü¢Þ¢â£»µ¥ÖʺͻìºÏÎï¼È²»Êǵç½âÖÊÒ²²»ÊǷǵç½âÖÊ£¬µç½âÖÊÊÇÔÚË®ÈÜÒºÖлòÈÛÈÚ״̬ÏÂÄܵ¼µçµÄ»¯ºÏÎH2O¡¢ÇâÑõ»¯±µ¡¢ÁòËáÂÁÊôÓÚµç½âÖÊ£»¹Ê´ð°¸Îª¢Ù¢Þ¢â£»£¨2£©Ba(OH)2Óë2HNO3·´Ó¦µÄʵÖÊÊÇH£«£«OH£­=H2O£¬¶øÏ¡ÁòËáÓëBa(OH)2·´Ó¦²»½öÉú³ÉË®£¬»¹Éú³ÉÁòËá±µ³Áµí£¬²»·ûºÏ¡£¹Ê·¢ÉúÖкͷ´Ó¦µÄÀë×Ó·½³ÌʽΪH£«£«OH£­=H2O£¬¸ÃÀë×Ó·´Ó¦¶ÔÓ¦µÄ»¯Ñ§·½³ÌʽÓÐBa(OH)2£«2HNO3=Ba(NO3)2£«2H2O£»£¨3£©ÊµÑéÊÒÖƱ¸ÉÙÁ¿Fe(OH)3½ºÌåËùÓõ½µÄÎïÖÊÓÐÕôÁóË®ºÍ±¥ºÍFeCl3ÈÜÒº£¬´ð°¸Ñ¡¢Ù¢ß£»·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ£ºFe3£«£«3H2O3H£«£«Fe(OH)3(½ºÌå)£»£¨4£©Ã»ÓÐ245 mL¹æ¸ñµÄÈÝÁ¿Æ¿£¬¹ÊʵÑéÊÒÅäÖÆ0.5 mol¡¤L£­1 245 mLÁòËáÂÁÈÜÒº£¬±ØÐëÅäÖÆ0.5 mol¡¤L£­1 250 mLÁòËáÂÁÈÜÒº¡£0.5 mol¡¤L£­1 245 mLÁòËáÂÁÈÜÒºµÄ²½ÖèÓУº¼ÆËã¡¢³ÆÁ¿¡¢Èܽ⡢ÀäÈ´¡¢×ªÒÆ¡¢Ï´µÓ¡¢¶¨ÈÝ¡¢Ò¡Ôȵȣ¬ÐèÒªµÄÒÇÆ÷ÓУºÍÐÅÌÌìƽ¡¢Ò©³×¡¢Á¿Í²¡¢ÉÕ±­¡¢²£Á§°ô¡¢250mLÈÝÁ¿Æ¿¡¢½ºÍ·µÎ¹Ü£¬ËùÒÔ»¹ÐèÒªµÄ²£Á§ÒÇÆ÷Ϊ£º250mLÈÝÁ¿Æ¿£»ÐèÒªÓÃÍÐÅÌÌìƽ³ÆÈ¡ÈÜÖʵÄÖÊÁ¿m[Al2(SO4)3]= 0.5 mol¡¤L£­1¡Á0.25L¡Á342g/mol=42.8g£¬100 mL¸ÃÈÜÒºÖк¬ÓеÄSO42¡ªÊýĿΪ0.5 mol¡¤L£­1¡Á0.10L¡Á3¡ÁNAmol-1=0.15NA¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø