ÌâÄ¿ÄÚÈÝ
ÓлúÎïAÊÇÌþµÄº¬ÑõÑÜÉúÎÔÚͬÎÂͬѹÏ£¬AÕôÆøÓëÒÒ´¼ÕôÆøµÄÏà¶ÔÃܶÈÊÇ2.1.38gAÍêȫȼÉÕºó£¬Èô½«È¼ÉյIJúÎïͨ¹ý¼îʯ»Ò£¬¼îʯ»ÒµÄÖÊÁ¿»áÔö¼Ó3.06g£»Èô½«È¼ÉÕ²úÎïͨ¹ýŨÁòËᣬŨÁòËáµÄÖÊÁ¿»áÔö¼Ó1.08g£»È¡4.6gAÓë×ãÁ¿µÄ½ðÊôÄÆ·´Ó¦£¬Éú³ÉµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ1.68L£»A²»Óë´¿¼î·´Ó¦£®Í¨¹ý¼ÆËãÈ·¶¨AµÄ·Ö×ÓʽºÍ½á¹¹¼òʽ£®£¨Ð´³ö±ØÒªµÄÎÄ×Ö˵Ã÷¡¢¼ÆËã¹ý³Ì£©
¿¼µã£ºÓйØÓлúÎï·Ö×Óʽȷ¶¨µÄ¼ÆËã
רÌ⣺Ìþ¼°ÆäÑÜÉúÎïµÄȼÉÕ¹æÂÉ
·ÖÎö£ºÓлúÎïAÊÇÌþµÄº¬ÑõÑÜÉúÎÔÚͬÎÂͬѹÏ£¬AÕôÆøÓëÒÒ´¼ÕôÆøµÄÏà¶ÔÃܶÈÊÇ2£¬ÔòAµÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª92£¬1.38gAÍêȫȼÉÕºó£¬Èô½«È¼ÉյIJúÎïͨ¹ý¼îʯ»Ò£¬¼îʯ»ÒµÄÖÊÁ¿»áÔö¼Ó3.06gΪ¶þÑõ»¯Ì¼¡¢Ë®µÄÖÊÁ¿£¬Èô½«È¼ÉÕ²úÎïͨ¹ýŨÁòËᣬŨÁòËáµÄÖÊÁ¿»áÔö¼Ó1.08gΪˮµÄÖÊÁ¿£¬¹Ê¶þÑõ»¯Ì¼ÖÊÁ¿Îª3.06g-1.08g=1.98g£¬¸ù¾ÝÔ×ÓÊغã¼ÆËãÓлúÎïAÖÐC¡¢HÔ×ÓÊýÄ¿£¬ÔÙ½áºÏAµÄÏà¶Ô·Ö×ÓÖÊÁ¿¼ÆËã·Ö×ÓÖÐOÔ×ÓÊýÄ¿£¬¾Ý´ËÈ·¶¨ÓлúÎïAµÄ·Ö×Óʽ£»
È¡4.6gAµÄÎïÖʵÄÁ¿Îª0.05mol£¬Óë×ãÁ¿µÄ½ðÊôÄÆ·´Ó¦£¬Éú³ÉµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ1.68L£¬¼´ÇâÆøµÄÎïÖʵÄÁ¿Îª
=0.075mol£¬A²»Óë´¿¼î·´Ó¦£¬ÔòAûÓÐ-COOH£¬¹ÊÓлúÎﺬÓÐ-OH£¬ôÇ»ùÊýÄ¿=
=3£¬¾Ý´Ë½â´ð£®
È¡4.6gAµÄÎïÖʵÄÁ¿Îª0.05mol£¬Óë×ãÁ¿µÄ½ðÊôÄÆ·´Ó¦£¬Éú³ÉµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ1.68L£¬¼´ÇâÆøµÄÎïÖʵÄÁ¿Îª
1.68L |
22.4L/mol |
0.075mol¡Á2 |
0.05mol |
½â´ð£º
½â£ºÓлúÎïAÊÇÌþµÄº¬ÑõÑÜÉúÎÔÚͬÎÂͬѹÏ£¬AÕôÆøÓëÒÒ´¼ÕôÆøµÄÏà¶ÔÃܶÈÊÇ2£¬ÔòAµÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª92£¬
1.38gAµÄÎïÖʵÄÁ¿=
=0.015mol£¬ÍêȫȼÉÕºó£¬Èô½«È¼ÉյIJúÎïͨ¹ý¼îʯ»Ò£¬¼îʯ»ÒµÄÖÊÁ¿»áÔö¼Ó3.06gΪ¶þÑõ»¯Ì¼¡¢Ë®µÄÖÊÁ¿£¬Èô½«È¼ÉÕ²úÎïͨ¹ýŨÁòËᣬŨÁòËáµÄÖÊÁ¿»áÔö¼Ó1.08gΪˮµÄÖÊÁ¿£¬Ë®µÄÎïÖʵÄÁ¿=
=0.06mol£¬¶þÑõ»¯Ì¼ÖÊÁ¿Îª3.06g-1.08g=1.98g£¬ÆäÎïÖʵÄÁ¿=
=0.045mol£¬
¹ÊÓлúÎïAÖÐCÔ×ÓÊýÄ¿=
=3¡¢HÔ×ÓÊýÄ¿=
=8£¬¹ÊA·Ö×ÓÖÐOÔ×ÓÊýÄ¿=
=3£¬ÓлúÎïAµÄ·Ö×ÓʽΪC3H8O3£»
È¡4.6gAµÄÎïÖʵÄÁ¿Îª
=0.05mol£¬Óë×ãÁ¿µÄ½ðÊôÄÆ·´Ó¦£¬Éú³ÉµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ1.68L£¬¼´ÇâÆøµÄÎïÖʵÄÁ¿Îª
=0.075mol£¬A²»Óë´¿¼î·´Ó¦£¬¹ÊÓлúÎﺬÓÐ-OH£¬ôÇ»ùÊýÄ¿=
=3£¬¹ÊAµÄ½á¹¹¼òʽΪ£º£¬
´ð£ºÓлúÎïAµÄ·Ö×ÓʽΪC3H8O3£¬½á¹¹¼òʽΪ£®
1.38gAµÄÎïÖʵÄÁ¿=
1.38 |
92g/mol |
1.08g |
18g/mol |
1.98g |
44g/mol |
¹ÊÓлúÎïAÖÐCÔ×ÓÊýÄ¿=
0.045mol |
0.015mol |
0.06mol¡Á2 |
0.015mol |
92-12¡Á3-8 |
16 |
È¡4.6gAµÄÎïÖʵÄÁ¿Îª
4.6g |
92g/mol |
1.68L |
22.4L/mol |
0.075mol¡Á2 |
0.05mol |
´ð£ºÓлúÎïAµÄ·Ö×ÓʽΪC3H8O3£¬½á¹¹¼òʽΪ£®
µãÆÀ£º±¾Ì⿼²éÓлúÎï·Ö×ÓʽÓë½á¹¹È·¶¨£¬ÊôÓÚ¼ÆËãÐÍÍƶϣ¬¸ù¾ÝÔ×ÓÊغãÈ·¶¨ÓлúÎï·Ö×ÓʽÊǹؼü£¬×¢ÒâÕÆÎÕ³£¼û¹ÙÄÜÍŵÄÐÔÖÊ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ÏÂÁÐÎïÖÊ¢Ù¹ýÂ˺óµÄÌìȻˮ¡¡¢Ú±ä»ë×ǵÄʯ»ÒË®¡¡¢ÛʯÈïÊÔÒº¡¡¢ÜÅ£ÄÌ¡¡¢ÝÑÎËá¡¡¢Þµâ¾Æ£¬ÆäÖÐÊôÓÚÈÜÒºµÄÊÇ£¨¡¡¡¡£©
A¡¢¢Ù¢Û | B¡¢¢Ú¢Ü |
C¡¢¢Û¢Ý¢Þ | D¡¢¢Ù¢Û¢Ý¢Þ |
ÏÂÁÐÐðÊöÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A¡¢Í¬ÏµÎï²»¿ÉÄÜÊÇͬ·ÖÒì¹¹Ìå |
B¡¢CH3ClºÍCHCl3»¥ÎªÍ¬ÏµÎï |
C¡¢Í¬·ÖÒì¹¹Ìå²»ÄÜ»¥³ÆΪͬϵÎï |
D¡¢C4H10·Ö×ÓÖÐËĸö̼Ô×ÓÔÚÒ»ÌõÖ±ÏßÉÏ |
ÏÂÁб仯¹ý³ÌÖУ¬ÐèÒª¼ÓÈ뻹ԼÁµÄÊÇ£¨¡¡¡¡£©
A¡¢HCl¡úH2 |
B¡¢FeCl2¡úFeCl3 |
C¡¢Na2SO3¡úSO2 |
D¡¢Fe¡úFe3O4 |