3£®Ä³»¯Ñ§ÐËȤС×éΪÁ˲ⶨij»ÆÍ­£¨Í­¡¢Ð¿ºÏ½ð£©ÑùÆ·ÖÐпµÄÖÊÁ¿·ÖÊý£¬È¡10¿ËÑùÆ··ÅÈëÉÕ±­ÖУ¬ÔÙÈ¡60¿ËÏ¡ÁòËá·ÖÁù´Î¼ÓÈëÉÕ±­ÖУ¬¾ù³ä·Ö·´Ó¦£¬ÊµÑéÊý¾ÝÈçÏ£º
µÚÒ»´ÎµÚ¶þ´ÎµÚÈý´ÎµÚËĴεÚÎå´ÎµÚÁù´Î
¼ÓÈëÏ¡ÁòËáµÄÖÊÁ¿£¨g£©101010101010
Ê£Óà¹ÌÌåµÄÖÊÁ¿£¨g£©9.358.78.057.46.756.75
£¨1£©»ÆÍ­ÑùÆ·ÖÐпµÄÖÊÁ¿·ÖÊýΪ¶àÉÙ£¿£¨Ð´³ö¼ÆËã²½Ö裬ÏÂͬ£©
£¨2£©µÚÎå´Î¼ÓÈëÏ¡ÁòËáºó£¬»ÆÍ­ÖеÄпǡºÃ·´Ó¦Íꣿ²¢¼ÆËã´Ëʱ·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£¿£¨±£Áôµ½Ð¡Êýµãºóһλ¼´¿É£©

·ÖÎö пºÍÏ¡ÁòËá·´Ó¦Éú³ÉÁòËáпºÍÇâÆø£¬¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³ÌʽºÍÌṩµÄÊý¾Ý¿ÉÒÔ½øÐÐÏà¹Ø·½ÃæµÄ¼ÆË㣮

½â´ð ½â£º£¨1£©»ÆÍ­ÑùÆ·ÖÐпµÄÖÊÁ¿·ÖÊýΪ£º$\frac{10g-6.75g}{10g}$¡Á100%=32.5%£¬
´ð£ºÐ¿µÄÖÊÁ¿·ÖÊýÊÇ32.5%£®
£¨2£©ÓɵÚÒ»´Î·´Ó¦¿ÉÖª£¬·´Ó¦µÄпµÄÖÊÁ¿ÊÇ0.65g£¬µÚÎå´Î·´Ó¦µÄпµÄÖÊÁ¿ÊÇ0.65g£¬Òò´ËµÚÎå´Î¼ÓÈëÏ¡ÁòËáºó£¬»ÆÍ­ÖеÄпǡºÃ·´Ó¦Íꣻ
¹ÊÌÎ壮
ÉèÉú³ÉÁòËáпµÄÖÊÁ¿Îªx£¬Éú³ÉÇâÆøÖÊÁ¿Îªy£¬
Zn+H2SO4¨TZnSO4+H2¡ü£¬
65        161   2
3.25g     x    y
$\frac{65}{3.25g}$=$\frac{161}{x}$=$\frac{2}{y}$£¬
x=8.05g£¬y=0.1g£¬
´Ëʱ·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ£º$\frac{8.05g}{3.25g+50g-0.1g}$¡Á100%=15.1%£¬
´ð£º´Ëʱ·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ15.1%£®

µãÆÀ ±¾ÌâÖ÷Òª¿¼²éѧÉúÔËÓüÙÉè·¨ºÍ»¯Ñ§·½³Ìʽ½øÐмÆËãºÍÍƶϵÄÄÜÁ¦£¬Í¬Ê±¿¼²éÁË·ÖÎöÊý¾ÝµÄÄÜÁ¦£¬¼ÆËãʱҪעÒâ¹æ·¶ÐÔºÍ׼ȷÐÔ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

1£®Ð´³öÏÂÁз´Ó¦µÄÎÄ×Ö±í´ïʽ£º
£¨1£©¸ßÃÌËá¼ØÖÆÈ¡ÑõÆø¸ßÃÌËá¼Ø$\stackrel{¼ÓÈÈ}{¡ú}$ÃÌËá¼Ø+¶þÑõ»¯ÃÌ+ÑõÆø
£¨2£©ÁòÔÚÑõÆøÖÐȼÉÕÁò+ÑõÆø$\stackrel{µãȼ}{¡ú}$¶þÑõ»¯Áò
£¨3£©ÌúË¿ÔÚÑõÆøÖÐȼÉÕÌú+ÑõÆø$\stackrel{µãȼ}{¡ú}$ËÄÑõ»¯ÈýÌú£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

2£®2015ÄêÎÒ¹ú¡°»·¾³ÈÕ¡±Ö÷ÌâÈ·¶¨Îª¡°¼ùÐÐÂÌÉ«Éú»î¡±£¬Ö¼ÔÚͨ¹ý¡°»·¾³ÈÕ¡±µÄ¼¯ÖÐÐû´«£¬¹ã·º´«²¥ºÍºëÑï¡°Éú»î·½Ê½ÂÌÉ«»¯¡±ÀíÄÏÂÁÐ×ö·¨·ûºÏ¡°»·¾³ÓѺá±µÄÊÇ£¨¡¡¡¡£©
A£®Îª±£»¤É­ÁÖ£¬ÌᳫÓÃú×öȼÁÏ
B£®ÎªÀ­¶¯¾­¼Ã¼õÉÙ¹«¹²½»Í¨Ñ¹Á¦£¬ÌᳫʹÓÃ˽¼Ò³µ³öÐÐ
C£®ÎªÌá¸ßÅ©×÷ÎïµÄ²úÁ¿£¬Ìᳫ´óÁ¿Ê¹Óû¯·ÊÅ©Ò©
D£®Îª¼õÉÙ»·¾³ÎÛȾ£¬Ìᳫ½Õ¸ÑºÏÀíÀûÓã®Èç½Õ¸Ñ·ÛË黹Ìï¡¢Éú²úÕÓÆø¡¢×÷ËÇÁÏ¡¢Ö½¡¢×÷½¨Öþ×°ÊβÄÁϵȣ¬Öƶ¨·¨¹æÑϽû¶Ìì·ÙÉÕ½Õ¸Ñ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

19£®×ãÁ¿µÄþ¡¢ÂÁ¡¢Ð¿¡¢Ìú·Ö±ðÓëµÈÖÊÁ¿µÄÏàͬϡÑÎËá·´Ó¦²úÉúÇâÆøµÄÖÊÁ¿±ÈÊÇ1£º1£º1£º1£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

6£®Ð¡¸Õ¼ÒµÄ¶àÓòå×ùÊǵçľÖÆÆ·£¬ÌÔÆøµÄС轫¶àÓòå×ùÅöµ½µØÉÏˤÁÑÁË£¬Ð¡¸ÕÊÔͼÓûð¿¾Ò»Ï£¬´ýËüÈÛ»¯±äÈíʱÓÃÁ¦Õ³ºÃ£¬ÄãÈÏΪÕâÖÖ×ö·¨ÄܺÃÂð£¿ÎªÊ²Ã´£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

8£®»¯Ñ§¾ÍÔÚÎÒÃÇÉí±ß£¬Çë´ÓÏÂÁÐÎïÖÊÖÐÑ¡ÔñÏàÓ¦µÄÐòºÅÌî¿Õ ¢Ùʯī£¬¢Ú»îÐÔÌ¿£¬¢ÛîѺϽ𣬢ܾƾ«£®
£¨1£©ÊµÑéÊÒ³£ÓõÄȼÁÏÊǢܣ»   £¨2£©ÄÜÓÃÓÚÎü¸½±ùÏäÒìζµÄÊÇ¢Ú£»
£¨3£©¿ÉÓÃÓÚÖÆǦ±ÊоµÄÊÇ¢Ù£»£¨4£©¿ÉÓÃÓÚÖÆÔìÈËÔì¹ÇµÄÊÇ¢Û£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

15£®Íê³ÉÏÂÁÐʵÑéÖй۲쵽µÄÏÖÏó»òµÃ³öµÄ½áÂÛ£¬²¢»Ø´ðÓйØÎÊÌ⣺

£¨1£©ÊµÑé¢ÙÖÐÎÞÉ«µÄ·Ó̪ÈÜÒº³öÏÖºìÉ«£¬ËµÃ÷°±·Ö×ÓÊDz»¶ÏÔ˶¯µÄ£»
£¨2£©ÊµÑé¢ÚÖмÈÄÜ˵Ã÷¼×ÍéÓпÉȼÐÔ£¬ÓÖÄÜ˵Ã÷¼×ÍéÖÐÒ»¶¨º¬ÓÐÇâÔªËØ£¬Ð´³öȼÉյĻ¯Ñ§·½³ÌʽCH4+2O2$\frac{\underline{\;µãȼ\;}}{\;}$CO2+2H2O£»
£¨3£©ÊµÑé¢ÛÖÐÄÜȼÉÕÆðÀ´µÄÊÇͭƬÉϵİ×Á×£¬ÓÃÀ´Ì½¾¿È¼ÉÕµÄÌõ¼þ£¬Í¬Ê±ÓÖ˵Ã÷°×Á×µÄ×Å»ðµã±ÈºìÁ׵ͣ»Ð´³öÁ×ȼÉյĻ¯Ñ§·½³Ìʽ4P+5O2$\frac{\underline{\;µãȼ\;}}{\;}$2P2O5£»
£¨4£©ÊµÑé¢ÜÖÐÉÕ±­ÖÐË®½øÈë¹ã¿ÚÆ¿Ìå»ýΪ$\frac{1}{5}$£¬³ýÁË˵Ã÷¿ÕÆøÖÐÑõµÄº¬Í⣬»¹ÄÜ˵Ã÷¿ÕÆøÖк¬ÓÐÆäËû³É·Ö£»
£¨5£©ÊµÑé¢ÝÖл¯Ñ§·´Ó¦·½³ÌʽÊÇ2H2O$\frac{\underline{\;ͨµç\;}}{\;}$2H2¡ü+O2¡ü£¬¼×ÊÔ¹ÜÖÐÆøÌåΪÑõÆø£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

12£®´ÓH¡¢O¡¢C¡¢Cl¡¢CaÎåÖÖÔªËØÖУ¬Ñ¡ÔñÊʵ±ÔªËØ£¬×é³É·ûºÏÏÂÁÐÒªÇóµÄÎïÖÊ£¬½«Æ仯ѧʽÌîÈë¿Õ¸ñ£®
£¨1£©¿ÉÓÃÓÚÈ˹¤½µÓêµÄÑõ»¯ÎïCO2_£»
£¨2£©¿É¸ÄÁ¼ËáÐÔÍÁÈÀµÄ¼îCa£¨OH£©2£»
£¨3£©ÊµÑéÊÒÖƶþÑõ»¯Ì¼ÆøÌåËùÓõÄÑÎ_CaCO3£»
£¨4£©ÌìÈ»ÆøµÄÖ÷Òª³É·ÖCH4£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

13£®ÁÐÏà¹Ø˵·¨ÓÃÁ£×ÓµÄ֪ʶ½âÊÍ´íÎóµÄÊÇ
Ïà¹Ø˵·¨½âÊÍ
A¡°Ò£Öª²»ÊÇÑ©£¬ÎªÓаµÏãÀ´¡±Öеġ°°µÏãÀ´¡±·Ö×Ó²»¶ÏÔ˶¯
B¹¤ÒµÖÆÑõÆø¹ý³ÌÖÐÄÜ°Ñ¿ÕÆø¼Óѹ³ÉҺ̬·Ö×ÓÖ®¼äÓмä¸ô
CÑÎËá¡¢ÁòËáÈÜÒºÏÔËáÐÔÈÜÒºÖж¼º¬ÓÐËá¸ùÀë×Ó
DÒ»Ñõ»¯Ì¼ºÍ¶þÑõ»¯Ì¼»¯Ñ§ÐÔÖʲ»Í¬·Ö×Ó¹¹³É²»Í¬
£¨¡¡¡¡£©
A£®AB£®BC£®CD£®D

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸