СÁÁͬѧ¶ÔÔÚ¿ÕÆøÖзÅÖÃÒ»¶Îʱ¼äµÄ¡°Í­Ê÷¡±£¨ÂÁË¿½þÅÝÔÚÁòËáÍ­ÈÜÒºÖÐÖƳɣ¬Èçͼ£©µÄ³É·Ö½øÐзÖÎö£¬È¡³ö64.1g¹ÌÌåÑùÆ·£¬ÓÃ10%µÄÑÎËá³ä·ÖÈܽ⣬ÈÜÒº³ÊÎÞÉ«£¬²úÉúµÄÆøÌåºÍÊ£Óà¹ÌÌåËæÏûºÄ10%µÄÑÎËáÖÊÁ¿±ä»¯¹ØϵÇúÏßÈçͼ£º
½áºÏͼÖÐÊý¾Ý·ÖÎö£º
£¨1£©¶Áͼ¿ÉÖª£¬CuÔªËصÄÖÊÁ¿
 
g£¬64.1g¡°Í­Ê÷¡±ÓÐCu¡¢Al¡¢
 
£¨Ìѧʽ£©£®
£¨2£©Çë½áºÏ»¯Ñ§·½³Ìʽ¼ÆËã¸Ã¡°Í­Ê÷¡±ÖÐAlÔªËصÄÖÊÁ¿·ÖÊý£®
£¨3£©Ö»ÖªµÀ¡°Í­Ê÷¡±ÖÊÁ¿m1ºÍÏûºÄ10%µÄÑÎËá×ÜÖÊÁ¿£¨m2£©£¬Ò²ÄÜÇó³ö¡°Í­Ê÷¡±ÖÐÂÁÔªËصÄÖÊÁ¿·ÖÊý£¬Æä±í´ïʽΪ
 
£¨ÓÃm1ºÍm2±íʾ£¬¿É²»»¯¼ò£©£®
¿¼µã£º¸ù¾Ý»¯Ñ§·´Ó¦·½³ÌʽµÄ¼ÆËã
רÌ⣺×ۺϼÆË㣨ͼÏñÐÍ¡¢±í¸ñÐÍ¡¢Çé¾°ÐͼÆËãÌ⣩
·ÖÎö£ºÒÀ¾Ý¼ÓÈëÑÎËá·´Ó¦ºó¹ÌÌåÖÊÁ¿²»»á±ä»¯µÄÊýÖµ¿É֪ͭµÄÖÊÁ¿£»ÒÀ¾Ý·´Ó¦¿ªÊ¼Ê±¹ÌÌåÖÊÁ¿¼õС¶ø²»»áÉú³ÉÇâÆøµÄÌصã·ÖÎöÍ©Ê÷µÄ³É·Ö£»ÒÀ¾ÝÍ©Ê÷ÖÐÍ­µ¥ÖʺÍÑõ»¯ÂÁÖÐÍ­ÔªËصÄÖÊÁ¿¼ÆËãÍ©Ê÷ÖÐÂÁÔªËصÄÖÊÁ¿·ÖÊý£»ÒÀ¾Ý·´Ó¦ºóÉú³ÉµÄÂÈ»¯ÂÁÖÐÂÈÔªËصÄÖÊÁ¿¼´¿ÉÒÔÇó³öÂÁÔªËصÄÖÊÁ¿·ÖÊý£»
½â´ð£º½â£º£¨1£©ÒÀ¾ÝÍ©Ê÷ÖÐÖ»ÓÐÍ­²»ÄÜÓëÑÎËá·´Ó¦£¬ËùÒÔ¼ÓÈëÑÎËáºó¹ÌÌåÖÊÁ¿²»ÔÙ¼õСµÄ¹ÌÌåÖÊÁ¿¼´ÎªÍ­µÄÖÊÁ¿£¬ÆäÊýֵΪ32.0g£»
ÓÉÓÚͼÏóÖмÓÈëÑÎËá109.5gÇ°¹ÌÌåÖÊÁ¿¼õСµ«²»»áÉú³ÉÇâÆø£¬ÓÉÓÚÍ­²»ÄÜÓëÑÎËá·´Ó¦£¬¶øÂÁÄÜ·´Ó¦µ«»áÉú³ÉÇâÆø£¬ËùÒÔÍ©Ê÷ÖÐÖ»ÄÜ´æÔÚÑõ»¯ÂÁ£¨Al2O3£©£»
£¨2£©ÓÉͼ֪²úÉúH2µÄÖÊÁ¿Îª3g£»Éè¡°Í­Ê÷¡±ÖÐAlµ¥ÖʵÄÖÊÁ¿Îªx£®
2Al+6HCl¨T2AlCl3+3H2¡ü
54¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡6
x¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡3 g
54
x
=
6
3g

½âµÃx=27g
¼´¡°Í­Ê÷¡±ÖÐAlµ¥ÖʵÄÖÊÁ¿Îª27g£®
¡°Í­Ê÷¡±ÖÐAl2O3µÄÖÊÁ¿Îª64.1g-27g-32g=5.1g£¬ÔòAl2O3Öк¬AlÔªËصÄÖÊÁ¿Îª2.7 g£¬ËùÒԸá°Í­Ê÷¡±Öк¬AlÔªËصÄÖÊÁ¿·ÖÊýΪ
(27g+2.7g)
64.1g
¡Á100%=46.3%£®
£¨3£©ÓÉÓÚÑÎËá·´Ó¦ºóÂÈÔªËØÈ«²¿×ªÎªÂÈ»¯ÂÁÖеÄÂÈÔªËØ£¬ËùÒԾݴ˿ɼÆËã³öÂÁÔªËصÄÖÊÁ¿£»
ÉèÂÁÔªËصÄÖÊÁ¿Îªy
ÔòÓÐ
y
m2¡Á10%¡Á
35.5
36.5
=
27
106.5


y=
27¡Ám2¡Á10%¡Á
35.5
36.5
106.5

Ôò¡°Í­Ê÷¡±ÖÐÂÁÔªËصÄÖÊÁ¿·ÖÊýΪ
9¡Ám2¡Á10%
36.5gm1
¡Á100%£»
¹Ê´ð°¸Îª£º£¨1£©32£»Al2O3£»£¨2£©¸Ã¡°Í­Ê÷¡±ÖÐAlÔªËصÄÖÊÁ¿·ÖÊýΪ46.3%£®£¨3£©
9¡Ám2¡Á10%
36.5gm1
¡Á100%£»
µãÆÀ£º´ËÌâÊÇ»¯Ñ§·½³Ìʽ¼ÆËãµÄ¿¼²éÌ⣬½âÌâµÄ¹Ø¼üÊÇÄܹ»ÒÀ¾ÝͼÏó¶ÔÏà¹ØµÄ·´Ó¦¹ý³ÌµÄÀí½âºÍÓ¦Óã®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÏÂÁÐÇé¿öÒ»°ã²»»áÔì³É¿ÕÆøÎÛȾµÄÊÇ£¨¡¡¡¡£©
A¡¢Æû³µÅųöµÄβÆø
B¡¢È¼ÉÕ²úÉúµÄÑÌÎí
C¡¢Ö²Îï¹âºÏ×÷Ó÷ųöµÄÆø
D¡¢¹¤³§Éú²ú²úÉúµÄÑ̳¾

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

³ýÈ¥ÂÈ»¯ÄÆÖеÄÔÓÖÊ̼ËáÄÆ£¬ÏÂÁз½·¨²»ÄÜʵÏÖµÄÊÇ£¨¡¡¡¡£©
A¡¢¼ÓÊÊÁ¿ÑÎËᣬÕô·¢½á¾§
B¡¢¼ÓÊÊÁ¿ÂÈ»¯¸ÆÈÜÒº£¬¹ýÂ˺óÕô·¢½á¾§
C¡¢¼ÓÊÊÁ¿ÂÈ»¯±µÈÜÒº£¬¹ýÂ˺óÕô·¢½á¾§
D¡¢¼ÓÊÊÁ¿ÇâÑõ»¯ÄÆÈÜÒº£¬¹ýÂ˺óÕô·¢½á¾§

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÒªÍê³ÉÏÂÁб仯£¬²»ÄÜͨ¹ýÑÎËá¾­Ò»²½·´Ó¦ÊµÏÖµÄÊÇ£¨¡¡¡¡£©
A¡¢CaO¡¢CaCl2
B¡¢Fe2O3¡¢FeCl3
C¡¢Cu¡¢CuCl2
D¡¢Fe¡¢FeCl2

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

½«10g²»´¿µÄпÁ££¨ÔÓÖʲ»ÈÝÓëˮҲ²»ÓëËá·´Ó¦£©¼°×ãÁ¿µÄÏ¡ÁòËáͶÈëµ½ÉÕ±­ÖУ¬³ÆµÃÖÊÁ¿Îª110g£¬Ç¡ºÃÍêÈ«·´Ó¦ºóÔٴγÆÁ¿ÉÕ±­×ÜÖÊÁ¿Îª109.8g£®ÊÔ¼ÆË㣺
£¨1£©·´Ó¦Éú³ÉµÄÇâÆøµÄÖÊÁ¿Îª
 
£»
£¨2£©Ð¿Á£Öд¿Ð¿µÄÖÊÁ¿·ÖÊý£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ʵÑéÊÒ²¿·ÖÒÇÆ÷»ò×°ÖÃÈçͼËùʾ£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÒÇÆ÷BµÄÃû³ÆÊÇ
 
£®
£¨2£©ÈôÒª×é×°ÓÃË«ÑõË®ºÍ¶þÑõ»¯ÃÌÖÆÈ¡ÑõÆøµÄ·¢Éú×°Ö㬿ÉÑ¡Ôñͼ1ÖеÄ
 
£¨Ìî±êºÅ£©£®ÈôÒª×é×°ÓøßÃÌËá¼ØÖÆÈ¡ÑõÆøµÄ·¢Éú×°Öã¬ÄãÈÏΪ»¹ÐèÔö¼ÓµÄÒÇÆ÷ÊÇ
 
£¬´Ë·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
£®
£¨3£©Ä³Í¬Ñ§ÓûÓÃͼ2ËùʾװÖÃÀ´²âÁ¿ÊµÑéËùÉú³ÉµÄ¶þÑõ»¯Ì¼µÄÌå»ý£¬Äã¾õµÃӦѡÔñµÄ×°ÖÃÊÇ
 
£¨Ñ¡Ìî¡°¢Ù¡±»ò¡°¢Ú¡±£©£¬ÆäÖÐÔÚË®ÃæÉÏ·ÅÒ»²ãÖ²ÎïÓÍ˵Ã÷¶þÑõ»¯Ì¼¿ÉÄܾßÓеÄÐÔÖÊÊÇ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÈçÏÂͼËùʾ£¬°ÑÏÂÁÐʵÑéËùÓõÄÒÇÆ÷µÄ±êºÅºÍÃû³ÆÌîÔÚºáÏßÉÏ£º

£¨l£©AµÄÒÇÆ÷Ãû³ÆΪ
 
£»EµÄÒÇÆ÷Ãû³ÆΪ
 
£»FµÄÒÇÆ÷Ãû³ÆΪ
 
£»
£¨2£©ÎüÈ¡ºÍµÎ¼ÓÉÙÁ¿µÄÒºÌåÐèÒªÓÃ
 
£»ÉÙÁ¿ÈÜÒºÏ໥·´Ó¦Ê±£¬ÐèÒªÓÃ
 
£»AµÄ×÷ÓÃÊÇ
 
£»ÈܽâÒ»¶¨Á¿µÄÈÜÖÊʱ£¬ÐèÒªÓÃ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

Óû¯Ñ§·ûºÅ»òÕß»¯Ñ§Ê½Ìîд£º
£¨1£©2¸öÇâÔ­×Ó
 
£®
£¨2£©ÎåÑõ»¯¶þµª·Ö×Ó
 
£®
£¨3£©Ñõ»¯¸ÆÖиÆÔªËØÏÔ+2¼Û
 
£®
£¨4£©µØ¿ÇÖк¬Á¿×î¸ßµÄ½ðÊôÔªËØ
 
£®
£¨5£©4¸öÍ­Àë×Ó
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÔÚ20gÌú·ÛºÍÍ­·ÛµÄ»ìºÏÎïÖв»¶Ï¼ÓÈëÏ¡ÁòËᣬÖÁµ½²»ÔÙÓÐÆøÅݲúÉúΪֹ£¬¹²ÓÃȥϡÁòËá80g£¬¹ýÂ˺ó³ÆµÃ²»ÈÜÎïµÄÖÊÁ¿Îª6g£¬ÊÔ¼ÆË㣺
£¨1£©·´Ó¦¹ý³ÌÒ»¹²²úÉúÇâÆøµÄÖÊÁ¿£®
£¨2£©Ï¡ÁòËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸