ÌâÄ¿ÄÚÈÝ
ijУ»¯Ñ§Ð¡×é¶ÔÈÈË®ºøµ×²¿Ë®¹¸µÄÖ÷Òª³É·Ö½øÐÐÁËÈçÏÂ̽¾¿£¬ÇëÍê³ÉÒÔÏ»£¬²¢»Ø´ðÏà¹ØÎÊÌ⣮[²éÔÄ×ÊÁÏ]ÌìȻˮÖк¬ÓÐCa2+¡¢Mg2+¡¢HCO3_µÈÀë×Ó£¬ÔÚ¼ÓÈÈÌõ¼þÏ£¬ÕâЩÀë×ÓÇ÷ÓÚÉú³ÉÈܽâ¶È¸üСµÄÎïÖÊ--Ë®¹¸£¨Ö÷Òª³É·ÖΪ̼ËáÑκͼ£®ÓйØÎïÖʵÄÈܽâÐÔ¼ûÏÂ±í£º
²¿·Ö¸Æ¡¢Ã¾»¯ºÏÎïÈܽâÐÔ±í£¨20¡æ£© | |||
OH- | CO32- | HCO3- | |
Ca2+ | ΢ÈÜ | ²»ÈÜ | ¿ÉÈÜ |
Mg2+ | ²»ÈÜ | ΢ÈÜ | ¿ÉÈÜ |
[Éè¼Æ·½°¸]ʵÑé1£ºÈ·¶¨Ë®¹¸ÖÐÊÇ·ñº¬Ca£¨OH£©2
ʵÑé²½Öè | ʵÑéÏÖÏó | Óйػ¯Ñ§·´Ó¦·½³Ìʽ |
ÔÚÉÙÁ¿ÑÐËéµÄË®¹¸ÖмÓÈëÊÊÁ¿µÄÕôÁóË®³ä·Ö½Á°è£¬¹ýÂË£¬ÔÚÂËÒºÖмÓÈëNa2CO3ÈÜÒº£® | Óа×É«³Áµí²úÉú |
½«2.50gË®¹¸ÑùÆ··ÅÈë׶ÐÎÆ¿ÖУ¬¼ÓÈë×ãÁ¿µÄÏ¡ÑÎËᣬÎüÊÕÉú³ÉµÄ¶þÑõ»¯Ì¼ÆøÌå1.25g£¬
Çë»Ø´ð£º
£¨1£©Ð´³ö̼Ëá¸ÆÓëÑÎËá·´Ó¦µÄ»¯Ñ§·½³Ìʽ
£¨2£©ÁÐʽ¼ÆË㣬Èç¹ûË®¹¸ÖÐûÓÐ̼Ëáþ£¬Ôò̼Ëá¸ÆµÄÖÊÁ¿Îª¶àÉÙ£¿
£¨3£©Ë®¹¸ÖÐ
A£®Ò»¶¨ B£®Ò»¶¨²» C£®¿ÉÄÜ D£®ÎÞ·¨È·¶¨£¬
ÀíÓÉÊÇ£º
·ÖÎö£ºÊ×ÏÈÔËÓÃÌâÖÐÈܽâÐÔ±í·ÖÎöµÃ³öÌá³ö²ÂÏëÖеÄÁ½¸ö¿Õ£¬È»ºóÔËÓÃ̼ËáÑεĻ¯Ñ§ÐÔÖʽâ´ðʵÑé1ºÍʵÑé2£¬×îºóÓÃ̼Ëá¸ÆºÍÑÎËá·´Ó¦Éú³ÉÂÈ»¯¸Æ¡¢Ë®ºÍ¶þÑõ»¯Ì¼ÕâÒ»»¯Ñ§·´Ó¦½â´ð£¨1£©£¨2£©Ì⣬ÔËÓü«Öµ·¨È·¶¨µÚ£¨3£©Ð¡ÌâµÄ´ð°¸£®
½â´ð£º½â£ºÓÉÌâÖÐÈܽâÐÔ±í֪̼Ëá¸ÆºÍÇâÑõ»¯Ã¾²»ÈÜÓÚË®£¬ÆäÓàµÄÇâÑõ»¯¸Æ¡¢Ì¼Ëáþ΢ÈÜ£¬Ì¼ËáÇâ¸ÆºÍ̼ËáÇâþ¶¼ÈÜÓÚË®£¬¹ÊË®¹¸µÄÖ÷Òª³É·Ö°üÀ¨£ºCaCO3Mg£¨OH£©2
ʵÑé1£ºÈ·¶¨Ë®¹¸ÖÐÊÇ·ñº¬ÓÐÇâÑõ»¯¸Æ£¬Ñ¡ÓÃ̼ËáÄÆ£®¹ÊÑ¡Ca£¨OH£©2+Na2CO3=CaCO3¡ý+2NaOH
¼ÓÈë×ãÁ¿µÄÏ¡ÑÎËᣬ̼Ëá¸ÆºÍÑÎËá·´Ó¦£¬¹Ê´ð°¸£º£¨1£©CaCO3+2HCl=CaCl2+H2O+CO2¡ü
£¨2£©Éè̼Ëá¸ÆµÄÖÊÁ¿Îªx
CaCO3+2HCl=CaCl2+H2O+CO2¡ü
100 44
x 1.25g
=
£¬x=2.84g
´ð£ºË®¹¸ÖÐÈç²»º¬Ì¼Ëáþ£¬Ôò̼Ëá¸ÆµÄÖÊÁ¿Îª2.84g£®
£¨3£©Ë®¹¸ÖÐÒ»¶¨º¬MgCO3£¬¹ÊÑ¡A
ÒòΪÀíÂÛ¼ÆËãCaCO3µÄÖÊÁ¿Îª2.84g£¬´óÓÚ2.5g£¬ËùÒÔ£¬Ë®¹¸ÖÐÒ»¶¨º¬ÓÐMgCO3£®»òÈô2.5gË®¹¸È«²¿ÎªCaCO3£¬²úÉúCO2µÄÖÊÁ¿Ó¦Îª1.1g£¬¶øʵÑé²âµÃÉú³ÉµÄCO2ÖÊÁ¿Îª1.25g£¾1.1g£¬ËùÒÔ£¬Ë®¹¸ÖÐÒ»¶¨º¬ÓÐMgCO3£®£¨ÆäËü´ð°¸ºÏÀí¼´¿É£©
ʵÑé1£ºÈ·¶¨Ë®¹¸ÖÐÊÇ·ñº¬ÓÐÇâÑõ»¯¸Æ£¬Ñ¡ÓÃ̼ËáÄÆ£®¹ÊÑ¡Ca£¨OH£©2+Na2CO3=CaCO3¡ý+2NaOH
¼ÓÈë×ãÁ¿µÄÏ¡ÑÎËᣬ̼Ëá¸ÆºÍÑÎËá·´Ó¦£¬¹Ê´ð°¸£º£¨1£©CaCO3+2HCl=CaCl2+H2O+CO2¡ü
£¨2£©Éè̼Ëá¸ÆµÄÖÊÁ¿Îªx
CaCO3+2HCl=CaCl2+H2O+CO2¡ü
100 44
x 1.25g
100 |
x |
44 |
1.25g |
´ð£ºË®¹¸ÖÐÈç²»º¬Ì¼Ëáþ£¬Ôò̼Ëá¸ÆµÄÖÊÁ¿Îª2.84g£®
£¨3£©Ë®¹¸ÖÐÒ»¶¨º¬MgCO3£¬¹ÊÑ¡A
ÒòΪÀíÂÛ¼ÆËãCaCO3µÄÖÊÁ¿Îª2.84g£¬´óÓÚ2.5g£¬ËùÒÔ£¬Ë®¹¸ÖÐÒ»¶¨º¬ÓÐMgCO3£®»òÈô2.5gË®¹¸È«²¿ÎªCaCO3£¬²úÉúCO2µÄÖÊÁ¿Ó¦Îª1.1g£¬¶øʵÑé²âµÃÉú³ÉµÄCO2ÖÊÁ¿Îª1.25g£¾1.1g£¬ËùÒÔ£¬Ë®¹¸ÖÐÒ»¶¨º¬ÓÐMgCO3£®£¨ÆäËü´ð°¸ºÏÀí¼´¿É£©
µãÆÀ£º¼´¿¼²éÁËʵÑéÒ²¿¼²éÁ˸ù¾Ý»¯Ñ§·½³ÌʽµÄ¼ÆË㣬ÅàÑøÁËѧÉúʵÑé·ÖÎöÄÜÁ¦ºÍ¸ù¾Ý»¯Ñ§·½³Ìʽ¼ÆËãÄÜÁ¦¼°ÔËÓü«Öµ·¨½âÌâµÄ˼Ï룮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ijУ»¯Ñ§Ð¡×é¶ÔÈÈË®ºøµ×²¿Ë®¹¸µÄÖ÷Òª³É·Ý½øÐÐÁËÈçÏÂ̽¾¿£¬ÇëÍê³ÉÒÔÏ»£¬²¢»Ø´ðÏà¹ØÎÊÌ⣮
[²éÔÄ×ÊÁÏ]ÌìȻˮÖк¬ÓÐCa2+¡¢Mg2+¡¢HCO3-µÈÀë×Ó£¬ÔÚ¼ÓÈÈÌõ¼þÏ£¬ÕâЩÀë×ÓÇ÷ÓÚÉú³ÉÈܽâ¶È¸üСµÄÎïÖÊ----Ë®¹¸£¨Ö÷Òª³É·ÝΪ̼ËáÑκͼ£®ÓйØÎïÖʵÄÈܽâÐÔ¼ûÏÂ±í£º
²¿·Ö¸Æ¡¢Ã¾»¯ºÏÎïÈܽâÐÔ±í£¨20¡æ£©
[Ìá³ö²ÂÏë]
²ÂÏëÒ»£ºË®¹¸µÄ³É·ÖÊÇ______
²ÂÏë¶þ£ºË®¹¸µÄ³É·ÖÊÇCaCO3¡¢Mg£¨OH£©2¡¢Ca£¨0H£©2
²ÂÏëÈý£ºË®¹¸µÄ³É·ÖÊÇCaCO3¡¢Mg£¨OH£©2¡¢MgCO3
²ÂÏëËÄ£ºË®¹¸µÄ³É·ÖÊÇCaCO3¡¢Mg£¨OH£©2¡¢Ca£¨0H£©2 MgCO3
[·½°¸Éè¼Æ]
£¨1£©È·¶¨Ë®¹¸ÖÐÊÇ·ñº¬ÓÐÇâÑõ»¯¸Æ£¨2£©È·¶¨Ë®¹¸ÖÐÊÇ·ñº¬ÓÐ̼Ëáþ
[ʵÑé²½Öè]
£¨1£©
£¨2£©ÀûÓÃÈçͼʵÑé×°ÖÃÍê³É£¨2£©µÄ̽¾¿£¬ÆäÖ÷ҪʵÑé²½ÖèÈçÏ£º
¢ñ£®³ÆÁ¿D¡¢E×°ÖÃ×ÜÖÊÁ¿Îª400.00g
¢ò£®°´ÉÏͼ×é×°ºó£¬½«3gË®¹¸ÑùÆ··ÅÈë׶ÐÎÆ¿ÖУ¬¼ÓÈë×ãÁ¿Ï¡ÑÎËáÖÁ׶ÐÎÆ¿Öв»ÔÙ²úÉúÆøÅÝ£¬¹Ø±Õ·ÖҺ©¶·»îÈû
¢ó£®´ò¿ªÖ¹Ë®¼ÐK£¬´Óµ¼¹Üa´¦»º»º¹ÄÈë¿ÕÆø£¬Ò»¶Îʱ¼äºó³ÆÁ¿×°ÖÃD¡¢EµÄ×ÜÖÊÁ¿Îª401.54g£¨¼îʯ»ÒÖ÷Òª³É·ÝΪCaOºÍNaOH£¬²»¿¼ÂÇ×°ÖÃÄÚ¿ÕÆø¶ÔʵÑéµÄÓ°Ï죩£®
¸ù¾ÝʵÑé»Ø´ðÏÂÁÐÎÊÌ⣺
¢Ù¼ÓÈëÑùÆ·Ç°»¹Ó¦______£¬×°ÖÃCµÄ×÷ÓÃÊÇ______£¬·´Ó¦½áÊøºó´ò¿ªÖ¹Ë®¼ÐK£¬»º»º¹ÄÈë¿ÕÆøµÄÄ¿µÄÊÇ______
¢Ú×°ÖÃDÖеĻ¯Ñ§·½³ÌʽΪ______
¢Û×°ÖÃBÖÐÉú³ÉCO2µÄÖÊÁ¿Îª______g£¬Ë®¹¸ÖÐ______º¬MgCO3£®
A£®Ò»¶¨ B£®Ò»¶¨²» C£®¿ÉÄÜ D£®ÎÞ·¨È·¶¨
[·´Ë¼ÑÓÉì]
ÈçºÎÖ¤Ã÷Ë®¹¸ÖÐȷʵÓÐÇâÑõ»¯Ã¾£¬Ð¡»ªÌá³öÁË×Ô¼ºµÄÏë·¨£º
ÁíÈ¡ÖÊÁ¿Îª3gµÄË®¹¸£¬¼ÓÈë3.65%µÄÏ¡ÑÎËáÓëÖ®·´Ó¦£¬²âµÃÏûºÄÏ¡ÑÎËáWg£¬½áºÏÒÔÉÏʵÑé½áÂÛ£¬ÅжÏWµÄÖµÂú×ã______Ìõ¼þʱ£¬Ë®¹¸ÖÐÒ»¶¨º¬ÓÐMg£¨OH£©2£®
[²éÔÄ×ÊÁÏ]ÌìȻˮÖк¬ÓÐCa2+¡¢Mg2+¡¢HCO3-µÈÀë×Ó£¬ÔÚ¼ÓÈÈÌõ¼þÏ£¬ÕâЩÀë×ÓÇ÷ÓÚÉú³ÉÈܽâ¶È¸üСµÄÎïÖÊ----Ë®¹¸£¨Ö÷Òª³É·ÝΪ̼ËáÑκͼ£®ÓйØÎïÖʵÄÈܽâÐÔ¼ûÏÂ±í£º
²¿·Ö¸Æ¡¢Ã¾»¯ºÏÎïÈܽâÐÔ±í£¨20¡æ£©
ÒõÀë×Ó ÑôÀë×Ó | OH- | CO32- | HCO3- |
Ca2+ | ΢ÈÜ | ²»ÈÜ | ¿ÉÈÜ |
Mg2+ | ²»ÈÜ | ΢ÈÜ | ¿ÉÈÜ |
²ÂÏëÒ»£ºË®¹¸µÄ³É·ÖÊÇ______
²ÂÏë¶þ£ºË®¹¸µÄ³É·ÖÊÇCaCO3¡¢Mg£¨OH£©2¡¢Ca£¨0H£©2
²ÂÏëÈý£ºË®¹¸µÄ³É·ÖÊÇCaCO3¡¢Mg£¨OH£©2¡¢MgCO3
²ÂÏëËÄ£ºË®¹¸µÄ³É·ÖÊÇCaCO3¡¢Mg£¨OH£©2¡¢Ca£¨0H£©2 MgCO3
[·½°¸Éè¼Æ]
£¨1£©È·¶¨Ë®¹¸ÖÐÊÇ·ñº¬ÓÐÇâÑõ»¯¸Æ£¨2£©È·¶¨Ë®¹¸ÖÐÊÇ·ñº¬ÓÐ̼Ëáþ
[ʵÑé²½Öè]
£¨1£©
ʵÑé²½Öè | ʵÑéÏÖÏó | ʵÑé½áÂÛ |
ÔÚÉÙÁ¿ÑÐËéµÄË®¹¸ÖмÓÈëÊÊÁ¿µÄÕôÁóË®³ä·Ö½Á°è£¬¹ýÂË£¬ÔÙÂËÒºÖмÓÈë______ÈÜÒº | ÓÐ______²úÉú | Ë®¹¸ÖÐÓÐ ÇâÑõ»¯¸Æ |
¢ñ£®³ÆÁ¿D¡¢E×°ÖÃ×ÜÖÊÁ¿Îª400.00g
¢ò£®°´ÉÏͼ×é×°ºó£¬½«3gË®¹¸ÑùÆ··ÅÈë׶ÐÎÆ¿ÖУ¬¼ÓÈë×ãÁ¿Ï¡ÑÎËáÖÁ׶ÐÎÆ¿Öв»ÔÙ²úÉúÆøÅÝ£¬¹Ø±Õ·ÖҺ©¶·»îÈû
¢ó£®´ò¿ªÖ¹Ë®¼ÐK£¬´Óµ¼¹Üa´¦»º»º¹ÄÈë¿ÕÆø£¬Ò»¶Îʱ¼äºó³ÆÁ¿×°ÖÃD¡¢EµÄ×ÜÖÊÁ¿Îª401.54g£¨¼îʯ»ÒÖ÷Òª³É·ÝΪCaOºÍNaOH£¬²»¿¼ÂÇ×°ÖÃÄÚ¿ÕÆø¶ÔʵÑéµÄÓ°Ï죩£®
¸ù¾ÝʵÑé»Ø´ðÏÂÁÐÎÊÌ⣺
¢Ù¼ÓÈëÑùÆ·Ç°»¹Ó¦______£¬×°ÖÃCµÄ×÷ÓÃÊÇ______£¬·´Ó¦½áÊøºó´ò¿ªÖ¹Ë®¼ÐK£¬»º»º¹ÄÈë¿ÕÆøµÄÄ¿µÄÊÇ______
¢Ú×°ÖÃDÖеĻ¯Ñ§·½³ÌʽΪ______
¢Û×°ÖÃBÖÐÉú³ÉCO2µÄÖÊÁ¿Îª______g£¬Ë®¹¸ÖÐ______º¬MgCO3£®
A£®Ò»¶¨ B£®Ò»¶¨²» C£®¿ÉÄÜ D£®ÎÞ·¨È·¶¨
[·´Ë¼ÑÓÉì]
ÈçºÎÖ¤Ã÷Ë®¹¸ÖÐȷʵÓÐÇâÑõ»¯Ã¾£¬Ð¡»ªÌá³öÁË×Ô¼ºµÄÏë·¨£º
ÁíÈ¡ÖÊÁ¿Îª3gµÄË®¹¸£¬¼ÓÈë3.65%µÄÏ¡ÑÎËáÓëÖ®·´Ó¦£¬²âµÃÏûºÄÏ¡ÑÎËáWg£¬½áºÏÒÔÉÏʵÑé½áÂÛ£¬ÅжÏWµÄÖµÂú×ã______Ìõ¼þʱ£¬Ë®¹¸ÖÐÒ»¶¨º¬ÓÐMg£¨OH£©2£®