£¨2009?Á¬ÔƸۣ© NaNO
2£¨ÑÇÏõËáÄÆ£©¡¢NaClºÍÎïÖÊM £¨²»º¬½á¾§Ë®£©µÄÈܽâ¶ÈÇúÏßÈçͼËùʾ£¬Çë¸ù¾ÝͼÏóºÍÓйØÐÅÏ¢»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©t
2¡æʱ£¬NaNO
2¡¢NaClºÍMµÄÈܽâ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ
NaNO2£¾NaCl£¾M
NaNO2£¾NaCl£¾M
£®
£¨2£©ÈçͼËùʾ£¬µ±ÍùÊÔ¹ÜÖмÓÈë5mLÏ¡ÑÎËáʱ£¬ÊÔ¹ÜÄÚÁ¢¿Ì²úÉú´óÁ¿ÆøÅÝ£¬Í¬Ê±·ÅÈÈʹÉÕ±Öб¥ºÍÈÜÒº±ä»ë×Ç£¨²»¿¼ÂÇË®·ÖÕô·¢£©£®ÇëÅжϣº¸Ã±¥ºÍÈÜÒºÖеÄÈÜÖÊÊÇNaNO
2¡¢NaClºÍMÖеÄ
M
M
£¨3£©·Ö±ð½«NaNO
2¡¢NaClºÍMµÄ±¥ºÍÈÜÒº´Ót
2¡æ½µÎµ½t
1¡æʱ£¬ÈýÖÖÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ
NaNO2£¾NaCl£¾M
NaNO2£¾NaCl£¾M
£®
£¨4£©NaNO
2Óж¾£¬ÆäÍâ¹ÛºÍÏÌζÓëʳÑκÜÏàËÆ£¬Òò´ËÒª·ÀÖ¹ÒòÎóʳNaNO
2¶ø·¢ÉúÖж¾Ê¹ʣ®ÎªÁËÇø±ðNaNO
2¡¢NaCl¹ÌÌ壬ij»¯Ñ§ÐËȤС×éͬѧ²éÔÄ×ÊÁÏ»ñµÃÈçÏÂÐÅÏ¢£ºNaNO
2µÄË®ÈÜÒº³Ê¼îÐÔ£¬NaClµÄË®ÈÜÒº³ÊÖÐÐÔ£»NaNO
2ÈÛµãΪ271¡æ£¬NaClÈÛµãΪ801¡æ£®
¢ÙСÃ÷ͬѧÉè¼ÆµÄ¼ø±ðʵÑé·½°¸ÈçÏ£º
20¡æʱ·Ö±ðÈ¡NaNO
2¡¢NaCl¸÷5.0gÓÚÁ½Ö»Ð¡ÉÕ±ÖУ¬·Ö±ð¼ÓÈë10mLË®£¨Ë®µÄÃܶȽüËÆ¿´×÷1g/cm
3£©£¬Óò£Á§°ô³ä·Ö½Á°èºó¹Û²ì£®ÄãÈÏΪ´Ë·½°¸ÊÇ·ñ¿ÉÐÐ
¿ÉÐÐ
¿ÉÐÐ
£¨Ìî¡°¿ÉÐС±»ò¡°²»¿ÉÐС±£©£®
¢Ú¸ÃС×éÆäËûͬѧÓÖÉè¼Æ³öÓëСÃ÷²»Í¬µÄʵÑé·½°¸£¬²¢»ñµÃ³É¹¦£®ÄãÈÏΪ¸Ã·½°¸¿ÉÄÜÊÇ
·Ö±ðÈ¡ÉÙÁ¿µÄNaNO2¡¢NaCl¹ÌÌåÓÚÁ½Ö§ÊÔ¹ÜÖУ¬Óþƾ«µÆ¼ÓÈÈ£¬ÈÛ»¯ÕßΪNaNO2£¬²»ÈÛÕßΪNaCl£¨»ò·Ö±ðÈ¡ÉÙÁ¿ÑùÆ·ÓÚÊÔ¹ÜÖУ¬¼ÓË®Èܽ⣬µÎ¼ÓÎÞÉ«·Ó̪ÊÔÒº£¬±äºìÕßΪNaNO2£¬²»±äÕßΪNaCl£©£¨»òÆäËûºÏÀí´ð°¸£©
·Ö±ðÈ¡ÉÙÁ¿µÄNaNO2¡¢NaCl¹ÌÌåÓÚÁ½Ö§ÊÔ¹ÜÖУ¬Óþƾ«µÆ¼ÓÈÈ£¬ÈÛ»¯ÕßΪNaNO2£¬²»ÈÛÕßΪNaCl£¨»ò·Ö±ðÈ¡ÉÙÁ¿ÑùÆ·ÓÚÊÔ¹ÜÖУ¬¼ÓË®Èܽ⣬µÎ¼ÓÎÞÉ«·Ó̪ÊÔÒº£¬±äºìÕßΪNaNO2£¬²»±äÕßΪNaCl£©£¨»òÆäËûºÏÀí´ð°¸£©
£¨Ö»ÌîдһÖÖ·½°¸²¢¼òµ¥ÐðÊö£©£®