ÌâÄ¿ÄÚÈÝ
°Ñl4.8gÂÈËá¼ØºÍ¶þÑõ»¯ÃÌ×é³ÉµÄ¹ÌÌå»ìºÏÎï·Åµ½´óÊÔ¹ÜÖмÓÈÈ£¬·´Ó¦ÍêÈ«ºó£¬ÀäÈ´µ½·´Ó¦Ç°µÄζȣ¬³ÆµÃÊÔ¹ÜÖйÌÌåÎïÖʵÄÖÊÁ¿Îªl0.0g£®ÊÔÇó£º
£¨1£©Éú³ÉÑõÆøµÄÖÊÁ¿£®
£¨2£©Ô»ìºÏÎïÖÐÂÈËá¼ØµÄÖÊÁ¿£®
£¨3£©ÇëÄã·ÖÎöËæ×Å·´Ó¦µÄ½øÐУ¬´óÊÔ¹ÜÄÚ¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊý´óС±ä»¯Ç÷ÊƲ¢½âÊÍÔÒò
£¨1£©Éú³ÉÑõÆøµÄÖÊÁ¿£®
£¨2£©Ô»ìºÏÎïÖÐÂÈËá¼ØµÄÖÊÁ¿£®
£¨3£©ÇëÄã·ÖÎöËæ×Å·´Ó¦µÄ½øÐУ¬´óÊÔ¹ÜÄÚ¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊý´óС±ä»¯Ç÷ÊƲ¢½âÊÍÔÒò
Ëæ×Å·´Ó¦µÄ½øÐУ¬¶þÑõ»¯Ã̹ÌÌåµÄÖÊÁ¿²»±ä£¬¶øÂÈËá¼Ø·Ö½â²úÉúµÄÑõÆøÖ𽥷ųö£¬ÖÂʹ´óÊÔ¹ÜÄÚ¹ÌÌåÖÊÁ¿Öð½¥¼õС
Ëæ×Å·´Ó¦µÄ½øÐУ¬¶þÑõ»¯Ã̹ÌÌåµÄÖÊÁ¿²»±ä£¬¶øÂÈËá¼Ø·Ö½â²úÉúµÄÑõÆøÖ𽥷ųö£¬ÖÂʹ´óÊÔ¹ÜÄÚ¹ÌÌåÖÊÁ¿Öð½¥¼õС
£»·´Ó¦ÍêÈ«ºó£¬¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊýΪ25.5%
25.5%
£¨¾«È·µ½Ç§·Ö룩£®·ÖÎö£º£¨1£©ÔÚ±¾ÌâÖУ¬·´Ó¦Ç°ºó¹ÌÌå³öÏÖÁ˲îÖµ£¬¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ£¬¼õÉÙµÄÖÊÁ¿ÊÇÑõÆøµÄÖÊÁ¿£»
£¨2£©¸ù¾ÝÑõÆøµÄÖÊÁ¿ÇóÂÈËá¼ØµÄÖÊÁ¿£»
£¨3£©ÓÃ14.8g¼õÈ¥ÂÈËá¼ØµÄÖÊÁ¿¾ÍµÈÓÚ¶þÑõ»¯Ã̵ÄÖÊÁ¿£¬¸ù¾Ý´ß»¯¼ÁÔÚ·´Ó¦ÖеÄÌصã¿ÉÖª·´Ó¦ºó¶þÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊý£®
£¨2£©¸ù¾ÝÑõÆøµÄÖÊÁ¿ÇóÂÈËá¼ØµÄÖÊÁ¿£»
£¨3£©ÓÃ14.8g¼õÈ¥ÂÈËá¼ØµÄÖÊÁ¿¾ÍµÈÓÚ¶þÑõ»¯Ã̵ÄÖÊÁ¿£¬¸ù¾Ý´ß»¯¼ÁÔÚ·´Ó¦ÖеÄÌصã¿ÉÖª·´Ó¦ºó¶þÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊý£®
½â´ð£º½â£º£¨1£©¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ¿ÉÒÔÖªµÀ£¬Éú³ÉÑõÆøµÄÖÊÁ¿Îªl4.8g-10.0g=4.8g
£¨2£©ÉèÔ»ìºÏÎïÖÐÂÈËá¼ØµÄÖÊÁ¿Îªx
2KClO3
2KCl+3O2¡ü
245 96
x 4.8g
=
½âµÃ£ºx=12.25g
£¨3£©ÒòΪ»¯Ñ§·´Ó¦Ç°ºó´ß»¯¼Á£¨¶þÑõ»¯ÃÌ£©µÄÖÊÁ¿±£³Ö²»±ä£®¶øËæ×Å·´Ó¦µÄ½øÐйÌÌåµÄÖÊÁ¿»á²»¶Ï¼õÉÙ£¬ËùÒÔ´óÊÔ¹ÜÄÚ¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊýÖð½¥±ä´ó£»
¹Ê¶þÑõ»¯Ã̵ÄÖÊÁ¿=14.8g-12.25g=2.55g£®ËùÒÔ´óÊÔ¹ÜÄÚ¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊýΪ£º
¡Á100%=25.5%
¹Ê´ð°¸Îª£º£¨1£©Éú³ÉÑõÆøµÄÖÊÁ¿Îª4.8g£»
£¨2£©ÉèÔ»ìºÏÎïÖÐÂÈËá¼ØµÄÖÊÁ¿Îª12.25g£»
£¨3£©Ëæ×Å·´Ó¦µÄ½øÐУ¬¶þÑõ»¯Ã̹ÌÌåµÄÖÊÁ¿²»±ä£¬¶øÂÈËá¼Ø·Ö½â²úÉúµÄÑõÆøÖ𽥷ųö£¬ÖÂʹ´óÊÔ¹ÜÄÚ¹ÌÌåÖÊÁ¿Öð½¥¼õС£»25.5%£®
£¨2£©ÉèÔ»ìºÏÎïÖÐÂÈËá¼ØµÄÖÊÁ¿Îªx
2KClO3
| ||
¡÷ |
245 96
x 4.8g
245 |
x |
96 |
4.8g |
½âµÃ£ºx=12.25g
£¨3£©ÒòΪ»¯Ñ§·´Ó¦Ç°ºó´ß»¯¼Á£¨¶þÑõ»¯ÃÌ£©µÄÖÊÁ¿±£³Ö²»±ä£®¶øËæ×Å·´Ó¦µÄ½øÐйÌÌåµÄÖÊÁ¿»á²»¶Ï¼õÉÙ£¬ËùÒÔ´óÊÔ¹ÜÄÚ¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊýÖð½¥±ä´ó£»
¹Ê¶þÑõ»¯Ã̵ÄÖÊÁ¿=14.8g-12.25g=2.55g£®ËùÒÔ´óÊÔ¹ÜÄÚ¹ÌÌå»ìºÏÎïÖжþÑõ»¯Ã̵ÄÖÊÁ¿·ÖÊýΪ£º
2.55g |
10g |
¹Ê´ð°¸Îª£º£¨1£©Éú³ÉÑõÆøµÄÖÊÁ¿Îª4.8g£»
£¨2£©ÉèÔ»ìºÏÎïÖÐÂÈËá¼ØµÄÖÊÁ¿Îª12.25g£»
£¨3£©Ëæ×Å·´Ó¦µÄ½øÐУ¬¶þÑõ»¯Ã̹ÌÌåµÄÖÊÁ¿²»±ä£¬¶øÂÈËá¼Ø·Ö½â²úÉúµÄÑõÆøÖ𽥷ųö£¬ÖÂʹ´óÊÔ¹ÜÄÚ¹ÌÌåÖÊÁ¿Öð½¥¼õС£»25.5%£®
µãÆÀ£º¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ£¬ÓÉ·´Ó¦Ç°ºó¹ÌÌåÎïÖÊÖÊÁ¿²î¼´·´Ó¦Ëù²úÉúÑõÆøµÄÖÊÁ¿£»ÀûÓöþÑõ»¯ÃÌΪ·´Ó¦µÄ´ß»¯¼Á£¬·´Ó¦Ç°ºóÖÊÁ¿²»±ä£¬ÓÉ»ìºÏÎïÖÊÁ¿Óë²Î¼Ó·´Ó¦µÄÂÈËá¼ØÖÊÁ¿²î¿ÉÇóµÃ¶þÑõ»¯Ã̵ÄÖÊÁ¿£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿