£¨2013?Ëɱ±Çøһģ£©Ä³»¯Ñ§ÊµÑéС×éµÄͬѧҪ²â¶¨Ä³ÌúºÏ½ðÖÐÌúÔªËØÖÊÁ¿·ÖÊý£¨Ëùº¬ÓеÄÆäËû³É·Ö£¬²»²Î¼Ó·´Ó¦£¬ÇÒ²»ÈÜÓÚË®£©£¬ËûÃǵÄ×ö·¨ÊÇ£º½«7gÌúºÏ½ðÑùÆ··ÛË飬µÎ¼Ó14.6%µÄÏ¡ÑÎËᣬÖÁ²»ÔÙ²úÉúÆøÅÝʱ£¬Ç¡ºÃÓÃȥϡÑÎËá50g£¬Çë¸ù¾ÝÌâÒâÐÅÏ¢»Ø´ðÏÂÁÐÎÊÌ⣻
£¨1£©ÌúºÏ½ðÑùÆ·ÈܽâµÄ»¯Ñ§·½³ÌʽΪ
Fe+2HCl=FeCl2+H2¡ü
Fe+2HCl=FeCl2+H2¡ü
£»
£¨2£©Çó½âÑùÆ·ÖÐÌúµÄÖÊÁ¿£¨X£©µÄ±ÈÀýʽ
56
x
=
73
7.3g
56
x
=
73
7.3g
£»
£¨3£©´ËÌúºÏ½ðÑùÆ·ÖÐÌúµÄÖÊÁ¿·ÖÊý
80%
80%
£»
£¨4£©½«×îºóËùµÃµÄ¹ÌÒº»ìºÏÎï¹ýÂË£¬³ýÈ¥²»ÈÜÎ²¢ÔÚ·´Ó¦ºóÈÜÒºÖмÓÈë44.6gË®£¬Ôò×îºóËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
12.7%
12.7%
£»
£¨5£©ÓûÁ¶ÖÆ6300t¸ÃÌúºÏ½ðÐèÒªº¬Ñõ»¯Ìú80%µÄ³àÌú¿óʯµÄÖÊÁ¿Îª
9000t
9000t
£®
·ÖÎö£º£¨1£©ÒÀ¾ÝÌúÓëÑÎËá·´Ó¦µÄÇé¿öÊìϤ·½³Ìʽ·ÖÎö½â´ð¼´¿É£»
£¨2£©ÀûÓÃËùÓÃÑÎËáµÄÂÈ»¯ÇâÖÊÁ¿ÀûÓ÷½³ÌʽÁгö±ÈÀýʽ¼´¿É£»
£¨3£©¸ù¾Ý·½³ÌʽÇó³öÌúµÄÖÊÁ¿£¬¶øºó¼ÆËãÌúºÏ½ðÑùÆ·ÖÐÌúµÄÖÊÁ¿·ÖÊý¼´¿É£»
£¨4£©¸ù¾Ý·´Ó¦Ç°ÑÎËáÖÐË®µÄÖÊÁ¿ºÍ¼ÓÈëµÄË®µÄÖÊÁ¿ÒÔ¼°Éú³ÉµÄÂÈ»¯ÑÇÌúÖÊÁ¿¿ÉÒÔÇó³öÈÜÒºµÄÖÊÁ¿£¬½ø¶ø¿ÉÒÔÇó³öÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý£»
£¨5£©ÒÀ¾Ý»¯Ñ§Ê½µÄÓйؼÆËã½â´ð¼´¿É£»
½â´ð£º½â£º£¨1£©ÌúÄܹ»ÓëÑÎËá·´Ó¦Éú³ÉÂÈ»¯ÑÇÌúºÍÇâÆø£¬·½³ÌʽΪFe+2HCl=FeCl2+H2¡ü£»
£¨2£©ÑÎËáÖÐÂÈ»¯ÇâµÄÖÊÁ¿ÊÇ50g¡Á14.6%=7.3g
ÉèÌúµÄÖÊÁ¿ÊÇx
Fe+2HCl=FeCl2+H2¡ü
56  73   127       
x   7.3g  y
56
x
=
73
7.3g
=
127
12.7g

x=5.6g   y=12.7g
£¨3£©ÌúµÄÖÊÁ¿·ÖÊýΪ
5.6g
7g
¡Á100%=80%
£¨4£©ÈÜÒºÖÐË®µÄÖÊÁ¿Îª50g-7.3g+44.6g=87.3g£¬¹ÊÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
12.7g
12.7g+87.3g
¡Á100%=12.7%£»
£¨5£©ÉèÐèÒªÌú¿óʯµÄÖÊÁ¿ÊÇz
z¡Á80%¡Á
112
160
=6300t¡Á80%
z=9000t
¹Ê´ð°¸Îª£º£¨1£©Fe+2HCl=FeCl2+H2¡ü£»£¨2£©
56
x
=
73
7.3g
£»£¨3£©80%£»£¨4£©12.7%£¨1·Ö£©£»£¨5£©9000t£®
µãÆÀ£º´ËÌâÊǶԻ¯Ñ§¼ÆËãµÄ¿¼²éÌ⣬Éæ¼°µ½»¯Ñ§·½³ÌʽºÍ»¯Ñ§Ê½µÄ¼ÆË㣬µ«ÌâÐÍ»ù´¡ÄѶȲ»´ó£¬ÊôÓÚ»ù´¡ÐÔ»¯Ñ§¼ÆË㣻
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?Ëɱ±Çøһģ£©¸ù¾ÝÄãµÄÉú»î¾­ÑéºÍËùѧµÄ»¯Ñ§ÖªÊ¶Åжϣ¬ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?Ëɱ±Çøһģ£©ÏÂÁÐÏà¹Ø˵·¨ÓÃÁ£×ÓµÄ֪ʶ½âÊÍ´íÎóµÄÊÇ£¨¡¡¡¡£©
  Ïà  ¹Ø  ˵  ·¨ ½â    ÊÍ
A Æ·ºìÔÚË®ÖÐÀ©É¢ ·Ö×Ó²»¶ÏÔ˶¯
B ÂÈ»¯ÄƹÌÌå²»µ¼µç ÂÈ»¯ÄƹÌÌåÖÐûÓÐÀë×Ó
C ÑÎËá¡¢ÁòËáÈÜÒºÏÔËáÐÔ ÈÜÒºÖж¼º¬ÓÐÇâÀë×Ó
D ÔÚÑô¹âÏ£®ÊªÒ·þÈÝÒ×ÁÀ¸É ·Ö×ÓµÄÔ˶¯ËÙÂÊËæζÈÉý¸ß¶ø¼Ó¿ì

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?Ëɱ±Çøһģ£©Çø·ÖÏÂÁи÷×éÎïÖʵÄÁ½ÖÖ·½·¨¶¼ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
  ÐèÇø·ÖÎïÖÊ ·½·¨Ò» ·½·¨¶þ
A ŨÁòËáºÍÏ¡ÁòËá ½«Ä¾Ìõ·Ö±ðÉìÈëÆäÖÐ ÈÜÓÚË®£¬²âζȱ仯
B ʳÑÎË®ºÍÏ¡ÑÎËá µÎ¼Ó·Ó̪ÊÔÒº µÎ¼ÓÏõËáÒøÈÜÒº
C ÂÁË¿ºÍÒøË¿ ÓôÅÌúÎüÒý ½þÈëÁòËáÍ­ÈÜÒº
D ÑòëÏߺÍÃÞÏß ×ÆÉÕÎÅÆøζ ¹Û²ìÑÕÉ«

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?Ëɱ±Çøһģ£©×÷Ϊ¹þ¶û±õÓÐÊ·ÒÔÀ´¹æÄ£×î´ó¡¢Ë®×¼×î¸ß¡¢¹¦ÄÜ×îÍêÉƵıêÖ¾ÐÔÎÄ»¯ÉèÊ©µÄ¹þ¶û±õ´ó¾çÔºÒÑÍê³É¸Ö½á¹¹½¨É裮ÏÂÁÐÓйØÐðÊöÖдíÎóµÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸