ÉúÌúÊÇÌúºÍ̼µÄºÏ½ð¡£Îª²â¶¨Ä³Á¶Ìú³§Éú²úµÄÉúÌúÑùÆ·ÖÐÌúµÄÖÊÁ¿·ÖÊý£¬»¯Ñ§ÐËȤС×éµÄͬѧ³ÆµÃ¸ÃÉúÌúÑùÆ·6.0g£¬·ÅÈëÉÕ±ÖУ¬ÏòÆäÖмÓÈë65.0gÏ¡ÁòËᣬǡºÃÍêÈ«·´Ó¦£¨¼ÙÉèÔÓÖʲ»²ÎÓë·´Ó¦£©¡£²âµÃµÄʵÑéÊý¾ÝÈçÏ£º
| ·´Ó¦Ç° | ·´Ó¦ºó | |
| ÉÕ±¼°ÆäÖÐÎïÖʵÄÖÊÁ¿ | 97.0g | 96.8g |
ÇëÄãÍê³ÉÓйؼÆË㣨½á¹û±£ÁôһλСÊý£©£º
£¨1£©·´Ó¦·Å³öµÄÇâÆøÊǶàÉÙ£¿
£¨2£©ÉúÌúÑùÆ·µÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿
£¨3£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿
½â£º£¨1£©·´Ó¦Éú³ÉµÄÇâÆøÖÊÁ¿=97g¡ª96.8g=0.2g£¨2·Ö£©
£¨2£©ÉèÉúÌúÖÐÌúµÄÖÊÁ¿Îªx£¬Éú³ÉÁòËáÑÇÌúÖÊÁ¿Îªy£¬Ôò
Fe + H2SO4 = FeSO4 + H2¡ü
56 152 2
x y 0.2g
x=0.2g¡Á56/2=5.6g £¨1·Ö£©
y=0.2g¡Á152/2=15.2g £¨1·Ö£©
Fe%=5.6/6¡Á100%=93.3% £¨1·Ö£©
£¨3£©²»ÈÜÐÔÔÓÖʵÄÖÊÁ¿=6g-5.6g=0.4g £¨1·Ö£©
FeSO4%=15.2/£¨50+7-0.4-0.2£©¡Á100%=21.6% £¨2·Ö£©
´ð£º£¨1£©Éú³ÉÇâÆø0.2g£¬£¨2£©ÉúÌúÖÐÌúµÄÖÊÁ¿·ÖÊýΪ93.3%£¬£¨3£©·´Ó¦ËùµÃÈÜÒºÖÐFeSO4µÄÖÊÁ¿·ÖÊýԼΪ21.6%¡£
£¨×¢£ºÆäËûºÏÀí½â´ð£¬Ö»ÒªË¼Â·ÇåÎú£¬´ð°¸ÕýÈ·¾ùÓ¦¸ø·Ö£©
| Äê¼¶ | ¸ßÖÐ¿Î³Ì | Äê¼¶ | ³õÖÐ¿Î³Ì |
| ¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
| ·´Ó¦Ç° | ·´Ó¦ºó | |
| ÉÕ±¼°ÆäÖÐÎïÖʵÄÖÊÁ¿ | 97.0g | 96.8g |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
| ·´Ó¦Ç° | ·´Ó¦ºó | |
| ÉÕ±¼°ÆäÖÐÎïÖʵÄÖÊÁ¿ | 97.0g | 96.8g |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
| ÉÕ±¡¢·´Ó¦Ç°Ëù¼ÓÑùÆ·¼°Ï¡ÁòËáÖÊÁ¿Ö®ºÍ | ·´Ó¦ºóÉÕ±¼°ÆäÖÐÎïÖÊÖÊÁ¿Ö®ºÍ | |
| ÖÊÁ¿ | 172.6g | 172.4g |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
| ·´Ó¦Ç° | ·´Ó¦ºó | |
| ÉÕ±¼°ÆäÖÐÎïÖʵÄÖÊÁ¿ | 97.0g | 96.8g |
²é¿´´ð°¸ºÍ½âÎö>>
¹ú¼ÊѧУÓÅÑ¡ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com