ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿²£Á§ÓëÈËÃǵÄÉú²úÉú»îÃÜÇÐÏà¹Ø£¬²£Á§ÖÆÆ·Ëæ´¦¿É¼û¡£

£¨1£©Ò»°ãסլµÄ²£Á§´°ÊÇÆÕͨ²£Á§£¬ÖÆÔìÆÕͨ²£Á§µÄÖ÷ÒªÔ­ÁÏÊÇ________¡¢________¡¢________£¬½«Ô­ÁÏ·ÛËéºó·ÅÈë²£Á§Ò¤ÖÐÔÚ¸ßÎÂÌõ¼þÏ·¢Éú·´Ó¦¼´¿ÉÖƵò£Á§£¬ÔòÆÕͨ²£Á§µÄÖ÷Òª³É·ÖÊÇ________¡¢________¡¢________¡£

£¨2£©Ä³²£Á§ÓÃÈýÖÖÑõ»¯ÎïµÄ×éºÏÐÎʽ±íʾ×é³Éʱ£¬ÆäÖÐNa2O¡¢CaO¡¢SiO2µÄÖÊÁ¿Ö®±ÈΪ31¡Ã28¡Ã180£¬Ôò´Ë²£Á§µÄ×é³ÉΪ________(ÌîÐòºÅ)¡£

A.Na2O¡¤CaO¡¤6H2SiO3

B.Na2O¡¤CaO¡¤6SiO2

C.2Na2O¡¤2CaO¡¤9SiO2

D.6Na2O¡¤6CaO¡¤SiO2

¡¾´ð°¸¡¿´¿¼î ʯ»Òʯ ʯӢ CaSiO3 Na2SiO3 SiO2 B

¡¾½âÎö¡¿

¼ÇÒäÆÕͨ²£Á§µÄÔ­ÁϺÍÖ÷Òª³É·Ö¹Ø¼üÊǼÇסÉú²úÆÕͨ²£Á§µÄ·´Ó¦·½³Ìʽ£ºNa2CO3+SiO2Na2SiO3+CO2¡ü£¬CaCO3+SiO2CaSiO3+CO2¡ü¡£

£¨1£©¹¤ÒµÖƲ£Á§Ö÷ÒªÔ­ÁÏÓÐʯӢ¡¢´¿¼îºÍʯ»Òʯ£»Ì¼ËáÄÆÓë¶þÑõ»¯¹èÔÚ¸ßÎÂÌõ¼þÏ·´Ó¦Éú³É¹èËáÄƺͶþÑõ»¯Ì¼£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£ºNa2CO3+SiO2Na2SiO3+CO2¡ü£¬Ì¼Ëá¸ÆÓë¶þÑõ»¯¹èÔÚ¸ßÎÂÌõ¼þÏ·´Ó¦Éú³É¹èËá¸ÆºÍ¶þÑõ»¯Ì¼£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º

CaCO3+SiO2CaSiO3+CO2¡ü£¬¹ÊÆÕͨ²£Á§µÄÖ÷Òª³É·ÖÊÇCaSiO3¡¢Na2SiO3¡¢SiO2£¬¹Ê´ð°¸Îª£º´¿¼î¡¢Ê¯»Òʯ¡¢Ê¯Ó¢£¬CaSiO3¡¢Na2SiO3¡¢SiO2¡£

£¨2£©n£¨Na2O£©£ºn£¨CaO£©£ºn£¨SiO2£©=31/62£º28/56£º180/60=1£º1£º6£¬

Ñõ»¯Îï±íʾ²£Á§µÄ×é³ÉΪ»îÆýðÊôÑõ»¯Îï¡¢½Ï»îÆýðÊôÑõ»¯Îï¡¢¶þÑõ»¯¹è¡¢Ë®µÄ˳Ðò£¬Ôò²£Á§µÄ×é³ÉΪNa2OCaO6SiO2£¬¹Ê´ð°¸Îª£ºB¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿ÊµÑéÊÒÓÐÖÊÁ¿·ÖÊýΪ98%µÄŨÁòËᣬÃܶÈΪ1.84 g¡¤cm-3¡£ÏÖÒªÅäÖÆ0.5mol/LµÄÏ¡ÁòËá450 mL£¬ÊԻشðÏÂÁÐÎÊÌ⣺

£¨1£©¸ÃŨÁòËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ_________¡£ÅäÖÆÏ¡ÁòËáʱ£¬Ó¦Ñ¡Óùæ¸ñΪ______mLµÄÈÝÁ¿Æ¿£¬¾­¼ÆËãÐèÒª__________mLŨÁòËá¡£

£¨2£©ÔÚÁ¿È¡Å¨ÁòËáºó£¬½øÐÐÁËÏÂÁвÙ×÷£¬ÆäÕýȷ˳ÐòÊÇ________________£¨ÌîÐòºÅ£©¡£

a. ´ýÏ¡ÊÍÁòËáµÄζÈÓëÊÒÎÂÒ»Öºó£¬Ñز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖС£

b. ÍùÈÝÁ¿Æ¿ÖÐСÐļÓÕôÁóË®ÖÁÒºÃæÀë¿Ì¶ÈÏß1¡«2cmʱ£¬¸ÄÓýºÍ·µÎ¹Ü¼ÓÕôÁóË®£¬Ê¹ÈÜÒºµÄ°¼ÒºÃæÓë¿Ì¶È±êÏßÏàÇС£

c. ÓÃÕôÁóˮϴµÓÉÕ±­ºÍ²£Á§°ô2¡«3´Î£¬²¢½«Ï´µÓҺȫ²¿×¢ÈëÈÝÁ¿Æ¿¡£

d. ½«Å¨ÁòËáÂýÂý×¢ÈëÊ¢ÕôÁóË®µÄÉÕ±­ÖУ¬±ßµ¹±ßÓò£Á§°ô½Á¶¯£¬Ê¹Æä»ìºÏ¾ùÔÈ¡£

e. ½«ÈÝÁ¿Æ¿¸Ç½ô£¬·´¸´ÉÏϵߵ¹£¬Ò¡ÔÈ¡£

£¨3£©ÏÂÁвÙ×÷»áµ¼ÖÂËùÅäÁòËáŨ¶ÈÆ«µÍµÄÊÇ______¡£

A£®½«ÉÕ±­ÖÐÈÜҺתÒƵ½ÈÝÁ¿Æ¿Ö®Ç°£¬ÈÝÁ¿Æ¿ÖÐÓÐÉÙÁ¿ÕôÁóË®

B£®ÓÃÁ¿Í²Á¿È¡Å¨ÁòËáʱ£¬¸©ÊÓ¶ÁÊý

C£®¶¨ÈÝʱÑöÊÓÈÝÁ¿Æ¿¿Ì¶ÈÏß

D£®¶¨ÈÝÒ¡ÔȺóÓÐÉÙÁ¿ÈÜÒºÍâÁ÷

E. ¶¨ÈÝÒ¡ÔȺ󣬷¢ÏÖÒºÃæϽµ£¬¼ÌÐø¼ÓË®ÖÁ¿Ì¶ÈÏß

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø