ÌâÄ¿ÄÚÈÝ
ϱíÁгöÁËÁ½ÖÖ¹ÌÌåÎïÖʵÄÈܽâ¶È£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©10¡æʱ£¬È¡A¡¢BÁ½ÖÖ¹ÌÌå¸÷3.5g£¬·Ö±ð·ÅÈë10gË®Öгä·ÖÈܽ⣬ÓÐÈçͼ1ËùʾµÄʵÑéÏÖÏó£¬
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241038496054057.png)
ÊԹܢÙÖÐÈܽâµÄÎïÖÊÊÇ £¨Ìî¡°A¡±»ò¡°B¡±£©£¬ÆäÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ £¨¾«È·µ½0.1%£©¡£½«Á½Ö»ÊÔ¹Üͬʱ·ÅÈëÊ¢ÓÐË®µÄÉÕ±ÖУ¨Èçͼ2£©£¬
ÏòÉÕ±ÖмÓÈë×ãÁ¿NaOH¹ÌÌå²¢ÇáÇá½Á°è£¬¹Û²ìµ½Á½¸öÊÔ¹ÜÖеÄÏÖÏó·Ö±ðÊÇ£º
ÊԹܢ٠£»
ÊÔ¹Ü¢Ú ¡£
£¨2£©ÈôÏòÉÕ±ÖмÓÈëÊÊÁ¿ÏÂÁÐÎïÖÊ£¬Á½ÊÔ¹ÜÖеÄÏÖÏóÓë¼ÓNaOH¹ÌÌåÏàͬÊÇ ¡£
A£®±ù B£®ÂÈ»¯ÄÆ C£®Éúʯ»Ò D£®ÏõËáï§
![]() | 0oC | 10 oC | 20 oC | 30 oC | 40 oC |
A | 37.4g | 36.0g | 34.7 g | 33.8 g | 33.2 g |
B | 13.3 g | 20.9 g | 31.6 g | 45.8 g | 63.9 g |
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241038496054057.png)
ÊԹܢÙÖÐÈܽâµÄÎïÖÊÊÇ £¨Ìî¡°A¡±»ò¡°B¡±£©£¬ÆäÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ £¨¾«È·µ½0.1%£©¡£½«Á½Ö»ÊÔ¹Üͬʱ·ÅÈëÊ¢ÓÐË®µÄÉÕ±ÖУ¨Èçͼ2£©£¬
ÏòÉÕ±ÖмÓÈë×ãÁ¿NaOH¹ÌÌå²¢ÇáÇá½Á°è£¬¹Û²ìµ½Á½¸öÊÔ¹ÜÖеÄÏÖÏó·Ö±ðÊÇ£º
ÊԹܢ٠£»
ÊÔ¹Ü¢Ú ¡£
£¨2£©ÈôÏòÉÕ±ÖмÓÈëÊÊÁ¿ÏÂÁÐÎïÖÊ£¬Á½ÊÔ¹ÜÖеÄÏÖÏóÓë¼ÓNaOH¹ÌÌåÏàͬÊÇ ¡£
A£®±ù B£®ÂÈ»¯ÄÆ C£®Éúʯ»Ò D£®ÏõËáï§
£¨1£©B£»17.3%£»¢Ù¹ÜÖйÌÌåÖð½¥¼õÉÙÒÔÖÁÏûʧ£»¢ÚÊÔ¹ÜÖÐÓйÌÌåÎö³ö£®
£¨2£©C£®
£¨2£©C£®
£¨2£©10¡æʱ£¬AµÄÈܽâ¶È´óÓÚBµÄÈܽâ¶È£¬È¡A¡¢BÁ½ÖÖ¹ÌÌå¸÷3.5g£¬·Ö±ð·ÅÈë10gË®Öгä·ÖÈܽ⣬¢ÙÖÐÓÐÊ£Óà¹ÌÌå¢ÚÖÐûÓУ¬ËµÃ÷¢ÙÖмÓÈëµÄÊÇB£¬¢ÚÖмÓÈëµÄÊÇA£»¢ÙÖеÄÈÜÒº±¥ºÍ£¬Óù«Ê½
¡Á100%À´¼ÆËãÈÜÖÊÖÊÁ¿·ÖÊý£¬½á¹ûΪ17.3%£»ÏòÉÕ±ÖмÓÈë×ãÁ¿NaOH¹ÌÌåºó£¬ÇâÑõ»¯ÄÆÈܽâÓÚË®·Å³ö´óÁ¿µÄÈÈ£¬Ê¹ÈÜҺζÈÉý¸ß£¬AÈܽâ¶ÈËæζÈÉý¸ß¶ø¼õС£¬BµÄÈܽâ¶ÈËæζÈÉý¸ß¶øÔö´ó£¬ËùÒÔ¢ÙÖйÌÌåÖð½¥¼õÉÙÒÔÖÁÏûʧ£»¢ÚÊÔ¹ÜÖпÉÄÜÓйÌÌåÎö³ö£®
£¨3£©A¼Ó±ùºóʹÈÜÒº½µÎ£¬ËùÒÔ´íÎó£»B¼ÓÈëÂÈ»¯ÄÆ£¬ÈÜÒºµÄζÈÎÞÃ÷ÏԱ仯£¬ËùÒÔ´íÎó£»C¼ÓÈëÉúʯ»Ò£¬ËüºÍË®·´Ó¦Éú³ÉÊìʯ»Ò£¬·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬ËùÒÔÕýÈ·£»D¼ÓÈëÏõËá泥¬ËüÈܽâÓÚË®ÎüÈÈ£¬Ê¹ÈÜҺζȽµµÍ£¬ËùÒÔ´íÎó£®
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824103849621683.png)
£¨3£©A¼Ó±ùºóʹÈÜÒº½µÎ£¬ËùÒÔ´íÎó£»B¼ÓÈëÂÈ»¯ÄÆ£¬ÈÜÒºµÄζÈÎÞÃ÷ÏԱ仯£¬ËùÒÔ´íÎó£»C¼ÓÈëÉúʯ»Ò£¬ËüºÍË®·´Ó¦Éú³ÉÊìʯ»Ò£¬·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬ËùÒÔÕýÈ·£»D¼ÓÈëÏõËá泥¬ËüÈܽâÓÚË®ÎüÈÈ£¬Ê¹ÈÜҺζȽµµÍ£¬ËùÒÔ´íÎó£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿