ÌâÄ¿ÄÚÈÝ

19ÊÀ¼ÍÖÐÆÚ£¬Ä³»¯Ñ§¼ÒΪ²â¶¨ÔªËØXµÄÏà¶ÔÔ­×ÓÖÊÁ¿£¬Ñ¡ÔñÁËÈçϵķ½·¨£ºËûÖƱ¸Á˺¬ÓÐÔªËØXµÄËÄÖÖ»¯ºÏÎïA¡¢B¡¢C¡¢D£¬²¢²â¶¨³öÿÖÖ»¯ºÏÎïÖÐXµÄÖÊÁ¿·ÖÊý£®ÔÚ250¡æʱ£¬ËÄÖÖ»¯ºÏÎﶼÊÇÆø̬£¬½«ËüÃÇ·Ö±ð×¢ÈëÔ¤Ïȳé³ÉÕæ¿ÕµÄËĸöµÈÈÝ»ýµÄÉÕÆ¿ÖУ¬Ö±µ½Ã¿¸öÉÕÆ¿ÄÚµÄѹÁ¦¾ù´ïµ½1.01¡Á105Pa£¬ÔÙ³Æȡÿ¸öÉÕÆ¿µÄÖÊÁ¿£¬¼õÈ¥¿ÕÆ¿µÄÖÊÁ¿ºó¿ÉµÃµ½ÉÕÆ¿ÄÚÆøÌåµÄÖÊÁ¿£®ÓõªÆøÖظ´ÕâÒ»¹ý³Ì£¬µÃµ½ÈçÏÂÊý¾Ý£º
Çëͨ¹ý¼ÆËãºóÈ·¶¨ÔªËØX¿ÉÄܵÄÏà¶ÔÔ­×ÓÖÊÁ¿£¨ÒªÇóд³öÍÆÀí¹ý³Ì£©£¨Ìáʾ£ºÍ¬ÎÂͬѹͬÌå»ýµÄÆøÌåµÄ·Ö×ÓÊýÏàͬ£©
ÆøÌåÆøÌåµÄÖÊÁ¿£¨g£©ÆøÌåÖÐXÔªËصÄÖÊÁ¿·ÖÊý£¨%£©
N20.652--
A0.84997.40
B2.39868.98
C4.85185.26
D3.58392.26

½â£º£¨1£©¸ù¾ÝµÚÒ»×éÊý¾Ý£¬µÃµ½n£¨N2£©==0.0233 mol£¬¸ù¾ÝͬΡ¢Í¬Ñ¹ÏÂͬÌå»ýµÄ¸÷ÖÖÆøÌ壬ÆäÆøÌåµÄ·Ö×ÓÊýÏàͬ£¬¼´ÎïÖʵÄÁ¿ÏàµÈ£¬¹Ê¼ÆËãÈçÏ£º£¨ÆøÌåĦ¶ûÖÊÁ¿/g?mol-1ÊÇ 1 molÆøÌåÖÐRµÄÖÊÁ¿/g£©£¬¸ù¾ÝA×éÊý¾Ý£¬µÃ£º¡Á97.4%=35.5£¬¸ù¾ÝB×éÊý¾Ý£¬µÃ£º¡Á68.98%=70.9£¬¸ù¾ÝC×éÊý¾Ý£¬µÃ£º¡Á85.26%=177.5£¬¸ù¾ÝD×éÊý¾Ý£¬µÃ£º¡Á92.26%=141.8£¬Òò70.9¡Ö35.5¡Á2£¬141.8¡Ö35.5¡Á4£¬¹ÊÉÏÊöÊý¾ÝÖÐ×îСµÄÊÇ35.5£¬ÆäÓà¾ùΪÆ䱶Êý£¬ÓÖÒò1mol»¯ºÏÎïÖÐÖÁÉÙº¬1molXÔ­×Ó£¬¹ÊÔªËØXµÄÏà¶ÔÔ­×ÓÖÊÁ¿Îª35.5£®
¹Ê´ð°¸Îª£º35.5£®
·ÖÎö£ºÍ¬Î¡¢Í¬Ñ¹ÏÂͬÌå»ýµÄ¸÷ÖÖÆøÌ壬ÆäÆøÌåµÄÎïÖʵÄÁ¿ÏàµÈ£¬¿ÉÒÔ¼ÆËã³ö¸ÃÔªËصÄÏà¶ÔÔ­×ÓÖÊÁ¿£®
µãÆÀ£º±¾ÌâÊÇÒ»µÀÏà¶ÔÔ­×ÓÖÊÁ¿µÄÌâÄ¿£¬ÄѶȽϴó£¬ÊÇÀûÓÃͬΡ¢Í¬Ñ¹ÏÂͬÌå»ýµÄ¸÷ÖÖÆøÌåÆäÆøÌåµÄÎïÖʵÄÁ¿ÏàµÈ½øÐнâ´ð£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø