£¨1£©³£ÎÂÏ£¬½«20.0 g 14%µÄNaClÈÜÒº¸ú30.0 g 24%µÄNaClÈÜÒº»ìºÏ£¬µÃµ½ÃܶÈΪ1.17 g/cm3µÄ»ìºÏÈÜÒº,¸Ã»ìºÏÈÜÒºÖÐNaClµÄÎïÖʵÄÁ¿Å¨¶ÈΪ                    mol/L¡£

£¨2£©ÇâÆøÊÇÐÂÐÍÇå½àÄÜÔ´£¬ï磨La£©ºÍÄø£¨Ni£©µÄºÏ½ð¿É×ö´¢Çâ²ÄÁÏ¡£ÓÒͼΪ¸ÃºÏ½ðµÄ¾§Ìå½á¹¹ÖÐ×îСµÄÖظ´½á¹¹µ¥Ôª£¬ÆäÖÐÐÄÓÐÒ»¸öÄøÔ­×Ó£¬ÆäËûÄøÔ­×Ó¶¼ÔÚÃæÉÏ£¬ïçÔ­×Ó¶¼ÔÚ¶¥µãÉÏ¡£¸Ã¾§ÌåµÄ»¯Ñ§Ê½Îª                    ¡£

£¨3£©º¬µª·ÏË®½øÈëË®Ìå¶ø¶Ô»·¾³Ôì³ÉµÄÎÛȾԽÀ´Ô½ÑÏÖØ£¬»·¾³×¨¼ÒÈÏΪ¿ÉÒÔÓýðÊôþ½«Ë®ÌåÖеÄNO»¹Ô­ÎªN2£¬´Ó¶øÏû³ýÎÛȾ¡£

¢Ùд³öþºÍº¬µª·ÏË®·´Ó¦µÄÀë×Ó·½³Ìʽ                                        £»

¢ÚÉÏÊö·´Ó¦ÖУ¬Éú³É±ê×¼×´¿öÏÂ33£®6LµªÆøʱ£¬×ªÒƵç×ÓµÄÎïÖʵÄÁ¿Îª           mol¡£¢ÛÒÑÖª½ðÊôþ¿ÉÒÔ´Óº£Ë®ÖÐÌáÈ¡µÄMgCI2ͨ¹ýµç½âÖƵõģ¬ÈôÒª³ýÈ¥º¬µªÔªËØ0.3molµÄ·ÏË®ÖеÄNO£¬ÔòÖÁÉÙÐèÒªº¬0.5%£¨ÖÊÁ¿·ÖÊý£©MgCl2µÄº£Ë®               kg¡£

£¨1£©4.0

£¨2£© LaNi5»òNi5La

£¨3£©¢Ù2NO+5Mg+6H2O =N2¡ü+5Mg£¨OH£©2+2OH-                

¢Ú15                     

¢Û14£®25


½âÎö:

ÂÔ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨1£©³£ÎÂÏ£¬½«20.0g 14%µÄNaClÈÜÒº¸ú30.0g 24%µÄNaClÈÜÒº»ìºÏ£¬»ìºÏºóµÃµ½ÃܶÈΪ1.17g?cm-3µÄÈÜÒº£®Çë¼ÆË㣺
¢Ù»ìºÏºóµÄÈÜÒºÖÐNaClµÄÖÊÁ¿·ÖÊý
0.2»ò20%
0.2»ò20%
£®¢Ú»ìºÏºóµÄÈÜÒºÖÐNaClµÄÎïÖʵÄÁ¿Å¨¶È
4
4
mol/L£®
¢ÛÔÚ100mLµÄÈÝÁ¿Æ¿ÖÐÐè¼ÓÈë
0.4
0.4
molÂÈ»¯ÄÆÅäÖÆÈÜÒº£¬²ÅÄÜʹÆäŨ¶ÈÇ¡ºÃÓëÉÏÊö»ìºÏºóµÄÈÜÒºµÄŨ¶ÈÏàµÈ£®
£¨2£©ÔÚ±ê×¼×´¿öÏ£¬½«672LµÄNH3ÈܽâÓÚË®£¬Åä³É2LµÄÈÜÒº£¬¸ÃÈÜÒºµÄÈÜÖʵÄÎïÖʵÄÁ¿Å¨¶ÈÊÇ
15
15
mol/L£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨1£©³£ÎÂÏ£¬½«20.0 g 14%µÄNaClÈÜÒº¸ú30.0 g 24%µÄNaClÈÜÒº»ìºÏ£¬µÃµ½ÃܶÈΪ1.17 g/cm3µÄ»ìºÏÈÜÒº,¸Ã»ìºÏÈÜÒºÖÐNaClµÄÎïÖʵÄÁ¿Å¨¶ÈΪ                    mol/L¡£

£¨2£©ÇâÆøÊÇÐÂÐÍÇå½àÄÜÔ´£¬ï磨La£©ºÍÄø£¨Ni£©µÄºÏ½ð¿É×ö´¢Çâ²ÄÁÏ¡£ÓÒͼΪ¸ÃºÏ½ðµÄ¾§Ìå½á¹¹ÖÐ×îСµÄÖظ´½á¹¹µ¥Ôª£¬ÆäÖÐÐÄÓÐÒ»¸öÄøÔ­×Ó£¬ÆäËûÄøÔ­×Ó¶¼ÔÚÃæÉÏ£¬ïçÔ­×Ó¶¼ÔÚ¶¥µãÉÏ¡£¸Ã¾§ÌåµÄ»¯Ñ§Ê½Îª                    ¡£

£¨3£©º¬µª·ÏË®½øÈëË®Ìå¶ø¶Ô»·¾³Ôì³ÉµÄÎÛȾԽÀ´Ô½ÑÏÖØ£¬»·¾³×¨¼ÒÈÏΪ¿ÉÒÔÓýðÊôþ½«Ë®ÌåÖеÄNO»¹Ô­ÎªN2£¬´Ó¶øÏû³ýÎÛȾ¡£

¢Ùд³öþºÍº¬µª·ÏË®·´Ó¦µÄÀë×Ó·½³Ìʽ                                        £»

¢ÚÉÏÊö·´Ó¦ÖУ¬Éú³É±ê×¼×´¿öÏÂ33£®6LµªÆøʱ£¬×ªÒƵç×ÓµÄÎïÖʵÄÁ¿Îª           mol¡£¢ÛÒÑÖª½ðÊôþ¿ÉÒÔ´Óº£Ë®ÖÐÌáÈ¡µÄMgCI2ͨ¹ýµç½âÖƵõģ¬ÈôÒª³ýÈ¥º¬µªÔªËØ0.3molµÄ·ÏË®ÖеÄNO£¬ÔòÖÁÉÙÐèÒªº¬0.5%£¨ÖÊÁ¿·ÖÊý£©MgCl2µÄº£Ë®               kg¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2012-2013ѧÄêÁÉÄþÊ¡±¾ÏªÒ»ÖиßÒ»µÚÒ»´ÎÔ¿¼»¯Ñ§ÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£º¼ÆËãÌâ

£¨10·Ö£©£¨1£©³£ÎÂÏ£¬½«20.0g14%µÄNaClÈÜÒºÓë30.0g24%µÄNaClÈÜÒº»ìºÏ£¬»ìºÏºóµÃµ½ÃܶÈΪ1.17g/cm3µÄÈÜÒº¡£Çë¼ÆË㣺£¨ÎÞ½âÌâ¹ý³Ì²»µÃ·Ö£©
¢Ù»ìºÏºóÈÜÒºÖÐNaClµÄÖÊÁ¿·ÖÊý
¢Ú»ìºÏºóÈÜÒºÖÐNaClµÄÎïÖʵÄÁ¿Å¨¶È
¢ÛÔÚ1000gË®ÖмӶàÉÙ mol NaCl£¬²ÅÄÜʹÆäŨ¶ÈÇ¡ºÃÓëÉÏÊö»ìºÏºóÈÜÒºµÄŨ¶ÈÏàµÈ¡££¨½á¹û±£ÁôһλСÊý£©
£¨2£©±ê×¼×´¿öÏ£¬11.2LO2ºÍCO2»ìºÏÆøÌåµÄÖÊÁ¿Îª19.6g£¬Çó»ìºÏÆøÌåÖÐO2ºÍCO2µÄÌå»ýÖ®±È

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2015½ìÁÉÄþÊ¡¸ßÒ»µÚÒ»´ÎÔ¿¼»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º¼ÆËãÌâ

£¨10·Ö£©£¨1£©³£ÎÂÏ£¬½«20.0g14%µÄNaClÈÜÒºÓë30.0g24%µÄNaClÈÜÒº»ìºÏ£¬»ìºÏºóµÃµ½ÃܶÈΪ1.17g/cm3µÄÈÜÒº¡£Çë¼ÆË㣺£¨ÎÞ½âÌâ¹ý³Ì²»µÃ·Ö£©

¢Ù»ìºÏºóÈÜÒºÖÐNaClµÄÖÊÁ¿·ÖÊý

¢Ú»ìºÏºóÈÜÒºÖÐNaClµÄÎïÖʵÄÁ¿Å¨¶È

¢ÛÔÚ1000gË®ÖмӶàÉÙ mol NaCl£¬²ÅÄÜʹÆäŨ¶ÈÇ¡ºÃÓëÉÏÊö»ìºÏºóÈÜÒºµÄŨ¶ÈÏàµÈ¡££¨½á¹û±£ÁôһλСÊý£©

£¨2£©±ê×¼×´¿öÏ£¬11.2LO2ºÍCO2»ìºÏÆøÌåµÄÖÊÁ¿Îª19.6g£¬Çó»ìºÏÆøÌåÖÐO2ºÍCO2µÄÌå»ýÖ®±È

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸