¡¾´ð°¸¡¿
·ÖÎö£º£¨1£©¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ£º·´Ó¦Ç°ºóÔ×ÓµÄÖÖÀàºÍÊýÄ¿²»±äÅжÏXµÄ»¯Ñ§Ê½£»Í¼ÏóÖÐÇúÏßÕÛµã±íʾǡºÃÍêÈ«·´Ó¦£¬´ËʱÉú³ÉÒÒȲµÄÖÊÁ¿Îª13g£»¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉÉú³ÉÒÒȲµÄÖÊÁ¿¼ÆËãÈ¡ÓÃ̼»¯¸ÆµÄÖÊÁ¿£»
£¨2£©¸ù¾Ý·´Ó¦Ç°ºóÔªËصÄÖÊÁ¿ºÍÖÖÀ಻±ä£¬¿ÉÖªÉú³ÉµÄ44g¶þÑõ»¯Ì¼ÖÐËùº¬Ì¼ÔªËØÖÊÁ¿ºÍ27gË®ÖÐËùº¬ÇâÔªËصÄÖÊÁ¿¾ùÀ´×Ô23gÓлúÎͨ¹ýÓлúÎïÖÊÁ¿Óë̼¡¢ÇâÔªËصÄÖÊÁ¿ºÍµÄ¶Ô±È£¬¿ÉÈ·¶¨ÓлúÎïÖÐÊÇ·ñº¬ÑõÔªËؼ°Ì¼¡¢ÇâÔªËصÄÖÊÁ¿±È£»
£¨3£©¿Éͨ¹ý¼ÙÉèÔ×Ó¸öÊýµÄ·½·¨£¬ÀûÓÃËù¸øµÄÊý¾Ý¼ÆËã³öÁ½ÔªËصÄÔ×Ó¸öÊý±È£¬×îºóÍê³É»¯Ñ§Ê½µÄÍƶϣ®
½â´ð£º½â£º£¨1£©¢Ù·´Ó¦Ç°¸ÆÔ×ӵĸöÊýÊÇ1¸ö£¬Ì¼Ô×ӵĸöÊýÊÇ2¸ö£¬ÇâÔ×ӵĸöÊýÊÇ4¸ö£¬ÑõÔ×ӵĸöÊýÊÇ2¸ö£»·´Ó¦ºó̼Ô×ӵĸöÊýÊÇ2¸ö£¬ÇâÔ×ӵĸöÊýÊÇ2¸ö£¬¹ÊX·Ö×ÓÓÉ1¸ö¸ÆÔ×Ó¡¢2¸öÑõÔ×ÓºÍ2¸öÇâÔ×Ó¹¹³É£¬»¯Ñ§Ê½ÊÇCa£¨OH£©
2£»
¢ÚÓÉͼÏó¿ÉÖª£ºÉú³ÉÒÒȲµÄÖÊÁ¿ÊÇ13g£¬Éè̼»¯¸ÆµÄÖÊÁ¿Îªx
CaC
2+2H
2O=Ca£¨OH£©
2+C
2H
2¡ü
64 26
x 13g
=
x=32g
£¨2£©ÓÉÖÊÁ¿Êغ㶨ÂÉ¿ÉÖª£¬¸Ã»¯ºÏÎïÖÐÒ»¶¨º¬ÓÐ̼ÇâÁ½ÖÖÔªËØ£¬ÇÒÆäÖÊÁ¿µÈÓÚÉú³ÉÎïÖÐ̼ÇâÔªËصÄÖÊÁ¿£»¾Ý44g¶þÑõ»¯Ì¼ÖÐËùº¬Ì¼ÔªËØÖÊÁ¿=44g×
×100%=12g£¬27gË®ÖÐËùº¬ÇâÔªËصÄÖÊÁ¿=27g×
×100%=6g£¬ÓÉ´Ë¿ÉÖª£ºÓлúÎïÖÐ̼¡¢ÇâÔªËصÄÖÊÁ¿±ÈÊÇ12g£º6g=2£º1£¬¸Ã»¯ºÏÎïÖÐ̼¡¢ÇâÔªËصÄÖÊÁ¿ºÍ=12g+6g=18g£¬Ð¡ÓÚÓлúÎïµÄÖÊÁ¿32g£¬Òò´ËÓлúÎïÖк¬ÑõÔªËØ£¬ÆäÖÐÑõÔªËصÄÖÊÁ¿=32g-18g=14g£»
£¨3£©¼ÙÉ軯ºÏÎïµÄ»¯Ñ§Ê½ÎªA
aB
b£¬ÉèÔªËØAµÄÏà¶ÔÔ×ÓÖÊÁ¿Îª7X£¬ÔòÔªËØBµÄÏà¶ÔÔ×ÓÖÊÁ¿Îª2X£¬»¯ºÏÎïA
aB
bÖÐA¡¢BÁ½ÔªËصÄÖÊÁ¿±È=£¨7X×a£©£º£¨2X×b£©=7a£º2b£¬¸ù¾ÝÌâÒ⣺»¯ºÏÎïÖÐX¡¢YÁ½ÔªËصÄÖÊÁ¿±ÈΪ21£º8£¬Ôò7a£º2b=21£º8
½âµÃa£ºb=3£º4
ÔòÕâÖÖ»¯ºÏÎïµÄ»¯Ñ§Ê½ÎªA
3B
4»òB
4A
3£»
¹Ê´ð°¸Îª£º£¨1£©¢ÙCa£¨OH£©
2£»¢Ú32g£»
£¨2£©2£º1£»Ì¼¡¢Çâ¡¢ÑõÔªËØ£»
£¨3£©A
3B
4»òB
4A
3£®
µãÆÀ£º±¾Ìâ¼È¿¼²éÁË·½³ÌʽµÄÏà¹Ø¼ÆË㣬ÓÖ¿¼²éÁËÖÊÁ¿Êغ㶨ÂɵÄÓ¦Ó㬻¯Ñ§Ê½µÄÈ·¶¨£¬¿¼²é֪ʶ±È½ÏÈ«Ã棬Ҫ¸ù¾ÝÏà¹Ø֪ʶ×Ðϸ·ÖÎö½â´ð£®