£¨2012?»¨¶¼Çøһģ£©Çë»Ø´ðÏÂÁÐÓйء°×ß½øµÍ̼¡±µÄÎÊÌ⣺
£¨1£©ÒÔÏÂÊôÓÚ¡°²»¿É»ØÊÕÀ¬»ø¡±µÄÊÇ
¢Û
¢Û
£¨ÌîÐòºÅ£©£º
¢Ù·Ï×÷Òµ±¾  ¢Ú¿óȪˮƿ    ¢Ûù±äÃæ°ü     ¢ÜÆƾÉÌúÍ°
£¨2£©ÏÂÁзûºÏ¡°µÍ̼¡±ÀíÄîµÄ×îÇå½àȼÁÏÊÇ
¢Ü
¢Ü
£º
¢Ùú        ¢ÚÆûÓÍ        ¢ÛÌìÈ»Æø       ¢ÜÇâÆø
£¨3£©Ì¼ËáÄÆÈÜÒººÍÏ¡ÑÎËá¿ÉÒÔ·´Ó¦Éú³É¶þÑõ»¯Ì¼£®Îª²â¶¨Ä³Na2CO3ÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý£¬ÏÖ³ÆÈ¡10g̼ËáÄÆÈÜÒº·ÅÔÚÉÕ±­Öв¢µÎÈëÏ¡ÑÎËᣬ²úÉúÆøÌåµÄÖÊÁ¿ÓëµÎÈëÏ¡ÑÎËáµÄÖÊÁ¿¹ØϵÈçͼËùʾ£¬ÊÔ¼ÆË㣺
¢Ù¶Áͼ¿ÉÖª£¬²úÉú¶þÑõ»¯Ì¼µÄÖÊÁ¿Îª
2.2g
2.2g
£»
¢Ú¸ÃÈÜÒºÖÐ̼ËáÄƵÄÖÊÁ¿Îª
5.3
5.3
£¬ÖÊÁ¿·ÖÊýΪ
53%
53%
£»
¢ÛAµãʱ£¬ÉÕ±­ÄÚÈÜÒºÖÐÈÜÖʵĻ¯Ñ§Ê½
NaCl
NaCl
£®
·ÖÎö£º£¨1£©¢Ù·Ï×÷Òµ±¾  ¢Ú¿óȪˮƿ ¢ÜÆƾÉÌúÍ°£¬¶¼ÊÇ¿É»ØÊÕÀ¬»ø£»
£¨2£©¸ù¾ÝȼÉյIJúÎï·ÖÎö½âÌ⣻
£¨3£©¸ù¾ÝͼʾºÍ̼ËáÄÆÈÜÒººÍÏ¡ÑÎËá¿ÉÒÔ·´Ó¦µÄ»¯Ñ§Ê½½øÐмÆË㣮
½â´ð£º½â£º£¨1£©¢Ù·Ï×÷Òµ±¾  ¢Ú¿óȪˮƿ    ¢Ûù±äÃæ°ü     ¢ÜÆƾÉÌúÍ°ÖÐù±äÃæ°üÊôÓÚ²»¿É»ØÊÕÀ¬»ø£®
¹ÊÑ¡¢Û£»
£¨2£©¢Ùú¢ÚÆûÓÍ¢ÛÌìÈ»Æø£¬¶¼ÊÇ»¯Ê¯È¼ÉÕ£¬È¼ÉÕ»áÉú³ÉÓк¦ÎïÖÊ»òÎÂÊÒÆøÌ壬ֻÓÐÇâÆøȼÉÕÖ»Éú³ÉË®£¬²»»áÎÛȾ»·¾³£¬ÊÇ·ûºÏ¡°µÍ̼¡±ÀíÄîµÄ×îÇå½àÄÜÔ´£®
¹ÊÑ¡¢Ü£»
£¨3£©¢Ù¶Áͼ¿ÉÖª£¬²úÉú¶þÑõ»¯Ì¼µÄÖÊÁ¿Îª2.2g£®
¹Ê´ð°¸Îª£º2.2g£»
¢ÚÉè¸ÃÈÜÒºÖÐ̼ËáÄƵÄÖÊÁ¿Îªx
Na2CO3+2HCl¨T2NaCl+H2O+CO2¡ü
106                    44
x                      2.2g
106
x
=
44
2.2g

x=5.3g
¸ÃÈÜÒºÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊýΪ£º
5.3
10
¡Á100%=53%
¹Ê´ð°¸Îª£º5.3g£»53%£®
¢ÛAµãʱǡºÃÍêÈ«·´Ó¦£¬ÔòÈÜÖÊÖ»º¬ÓÐÉú³ÉµÄÂÈ»¯ÄÆ£¬ËùÒÔÉÕ±­ÄÚÈÜÒºÖÐÈÜÖÊÊÇÂÈ»¯ÄÆ£»
¹Ê´ð°¸Îª£ºNaCl£®
µãÆÀ£º±¾Ì⿼²éÀ¬»øµÄÖÖÀà¡¢×îÇå½àµÄȼÁÏ¡¢»¯Ñ§·´Ó¦Ê½µÄ¼ÆËãµÈÎÊÌ⣬ÐèҪͬѧÃǵÄʶ¼ÇÄÜÁ¦ºÍ¹Û²ì¡¢¼ÆËãµÄÄÜÁ¦£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2012?»¨¶¼Çøһģ£©Ä³Í¬Ñ§·Ö±ðÓÃ1gµÄ¼×½ðÊô¡¢ÒÒ½ðÊô¡¢±û½ðÊôÁ£Óë×ãÁ¿µÄijËá·´Ó¦ÒÔÖÆÈ¡ÇâÆø£®ÍêÈ«·´Ó¦ËùÐèʱ¼äÓëµ±µØµÄ½ðÊô¼Û¸ñ¼ûÏÂ±í£º
ÎïÖÊ ËùÐèʱ¼ä ¼Û¸ñ
¼×½ðÊôÁ£ Ô¼13900s 1000g/10.00Ôª
ÒÒ½ðÊôÁ£ Ô¼50s 500g/20.00Ôª
±û½ðÊôÁ£ Ô¼20s 25g/10.80Ôª
´ÓÉÏÊöʵÑéÖеóöʵÑéÊÒӦѡÓÃÖÆÈ¡ÇâÆøµÄ½ðÊôÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2012?»¨¶¼Çøһģ£©ÏÂÁÐÎïÖÊÖУ¬²»ÃÜ·â±£´æ»á±äÖʵÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2012?»¨¶¼Çøһģ£©Òª½«´ýÌá´¿µÄÎïÖÊÖÐÔÓÖÊ£¨À¨ºÅÄÚΪÔÓÖÊ£©³ýÈ¥£¬ËùÓÃÊÔ¼ÁºÍ·½·¨¾ùÕýÈ·µÄÊÇ£¨¡¡¡¡£©
Ñ¡Ïî ´ýÌá´¿ÎïÖÊ Ñ¡ÓÃÊÔ¼Á ²Ù×÷·½·¨
A CuCl2£¨FeCl2£© ͭƬ ¹ýÂË
B CaO£¨CaCO3£© ÑÎËá Õô·¢
C Cu£¨Fe£© ÁòËáÈÜÒº ¹ýÂË£¬Ï´µÓ
D NaOHÈÜÒº£¨Na2SO4£© ÂÈ»¯±µÈÜÒº ¹ýÂË

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2012?»¨¶¼Çøһģ£©º£Ë®ÊÇÒ»ÖÖÖØÒªµÄ×ÔÈ»×ÊÔ´£¬ÒÔÏÂÊÇÎÒÊжԺ£Ë®×ÊÔ´µÄ²¿·ÖÀûÓã®
£¨1£©´Óº£Ë®ÖлñµÃÂÈ»¯ÄÆ£®½«º£Ë®½øÐÐ
Õô·¢
Õô·¢
¿ÉµÃµ½´ÖÑΣ»Îª³ýÈ¥´ÖÑÎÖк¬ÓеÄNa2SO4¡¢CaCl2¡¢MgCl2µÈÔÓÖÊ£¬ÆäÖмÓÈëBaCl2ÈÜÒº³ýÈ¥µÄÎïÖÊÊÇ
Na2SO4
Na2SO4
£»¼ÓÈëNaOHÈÜÒº³ýÈ¥µÄÎïÖÊÊÇ
MgCl2
MgCl2
£®
£¨2£©´Óº£Ë®Öеõ½½ðÊôþ£®ÏÂͼÊÇ´Óº£Ë®ÖÐÌáȡþµÄ¼òµ¥Á÷³Ì£®

ÉÏÊö¹ý³ÌÖУ¬³ÁµíBÓëÏ¡ÑÎËá·¢ÉúµÄÊÇÖкͷ´Ó¦£¬Ôò³ÁµíBµÄ»¯Ñ§Ê½Îª
Mg£¨OH£©2
Mg£¨OH£©2
£®
ÎÞË®MgCl2ͨµç·Ö½âÉú³ÉMgºÍÁíÒ»ÖÖÆøÌ壬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º
MgCl2
 Í¨µç 
.
 
Mg+Cl2¡ü
MgCl2
 Í¨µç 
.
 
Mg+Cl2¡ü
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸