ÌâÄ¿ÄÚÈÝ
5£®Êª·¨Ò±½ðÊÇÎÒ¹ú¹Å´úÀͶ¯ÈËÃñÖǻ۵Ľᾧ£®ÈôÏòagº¬ÔÓÖʵÄÌú·ÛÖУ¨¼ÙÉèÔÓÖʲ»ÈÜÓÚË®£¬Ò²²»ÓëÆäËûÎïÖÊ·´Ó¦£©¼ÓÈël60gÈÜÖÊÖÊÁ¿·ÖÊýΪl0%µÄÁòËáÍÈÜÒº£¬Ç¡ºÃÍêÈ«·´Ó¦ºó£¬¹ýÂ˵õ½6.8g¸ÉÔï¹ÌÌ壬ͬʱµÃµ½Ò»ÖÖ²»±¥ºÍÈÜÒº£¨ÂËÒºËðʧºöÂÔ²»¼Æ£©£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÉÏÊö·´Ó¦ºóµÄÂËÒºÖдæÔÚµÄÁ£×ÓÓÐFe2+¡¢SO42-¡¢H2O£¨Óû¯Ñ§·ûºÅ±íʾ£©£»
£¨2£©ÇóaµÄÊýÖµ£»
£¨3£©ÈôÏò·´Ó¦ºóµÄÂËÒºÖмÓÈë40.8gË®£¬¼ÆËãËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£»
£¨4£©¹¤ÒµÉÏÈôÒªµÃµ½180tÉÏÊöÌú·Û£¬¼ÆËãÐèÒªº¬ÔÓÖÊ£¨ÔÓÖʲ»º¬ÌúÔªËØ£©20%µÄ³àÌú¿óµÄÖÊÁ¿£®
·ÖÎö £¨1£©ÌúÓëÁòËáÍ·´Ó¦Éú³ÉͺÍÁòËáÑÇÌú£»
£¨2£©¸ù¾ÝaµÄÖµµÈÓÚÌúÓëÔÓÖʵÄÖÊÁ¿Ö®ºÍ£»
£¨3£©¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽÇó³öËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£»
£¨4£©¸ù¾ÝÒ»Ñõ»¯Ì¼ÓëÑõ»¯Ìú·´Ó¦Éú³ÉÌúºÍ¶þÑõ»¯Ì¼µÄ»¯Ñ§·½³Ìʽ£¬ÓÉ·´Ó¦ÖÐÌúÓëÑõ»¯ÌúµÄÖÊÁ¿¹ØÏµ¿ÉÒÔÇóµÃº¬Ñõ»¯Ìú20%µÄ³àÌú¿óµÄÖÊÁ¿£®
½â´ð ½â£º£¨1£©ÌúÓëÁòËáÍ·´Ó¦Éú³ÉͺÍÁòËáÑÇÌú£¬¹ÊÂËÒºÖдæÔÚµÄÁ£×ÓÓУºFe2+¡¢SO42-¡¢H2O£»
¹ÊÌFe2+¡¢SO42-¡¢H2O£»
ÁòËá͵ÄÖÊÁ¿Îª£ºl60g¡Ál0%=16g
ÉèÉú³ÉµÄ͵ÄÖÊÁ¿Îªy£¬ÁòËáÑÇÌúµÄÖÊÁ¿Îªz
Fe+CuS04=FeSO4+Cu£»
56 160 152 64
x l6g z y
$\frac{56}{x}=\frac{160}{16g}=\frac{152}{z}=\frac{64}{y}$
½âµÃ£ºx=5.6g£¬z=15.2g£¬y=6.4g
£¨2£©ÓÉÌâ¿ÉÖª£ºa=5.6g+£¨6.8g-6.4g£©=6g£»
´ð£ºaΪ6g£»
£¨3£©ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ£º$\frac{15.2g}{160g+5.6g+40.8g-6.4g}$¡Á100%=7.6%£»
´ð£ºËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ7.6%£»
£¨4£©ÌúµÄÖÊÁ¿Îª£º120t¡Á$\frac{5.6g}{6g}$=112t
ÉèÐèÒª³àÌú¿óʯµÄÖÊÁ¿Îªm£®
Fe2O3+3CO$\frac{\underline{\;¸ßÎÂ\;}}{\;}$2Fe+3CO2
160 112
m£¨1-20%£© 112t
$\frac{160}{112}=\frac{m£¨1-20%£©}{112t}$
½âµÃ£ºm=200t
´ð£ºÐèÒª³àÌú¿óʯµÄÖÊÁ¿Îª200t£®
µãÆÀ ±¾ÌâµÄ×ÛºÏÐÔ½ÏÇ¿£¬±È½ÏÈ«ÃæµØ¿¼²éÁË»¯Ñ§·½³ÌʽµÄÊéд¡¢»¯Ñ§·½³ÌʽµÄ¼ÆËã¡¢ÈÜÒºÖÊÁ¿·ÖÊýµÄ¼ÆË㣬º¬ÔÓÖʵĻ¯Ñ§·½³ÌʽµÄ¼ÆËãµÈ£¬Ö»ÓÐÈ«ÃæµØÕÆÎÕÁËÓйصĻ¯Ñ§¼ÆËã²ÅÄܽϺõØÍê³É±¾Ì⣮
| A¡¢»¯Ñ§ÓëÉú»î | B¡¢»¯Ñ§Óë»·¾³ |
| ¢ÙÉú»îÖг£ÓüÓÈÈÖó·ÐµÄ·½·¨Èí»¯Ó²Ë® ¢ÚÓÃȼÉÕµÄÑÝÒï·¨Çø·ÖÑòëºÍµÓÂÚ ¢ÛÓøÖË¿ÇòÏ´Ë¢ÂÁÖÆ´¶¾ß | ¢Ù»ØÊÕ·Ï¾Éµç³Ø²»½ö¿ÉÒÔ¼õС¶ÔË®¡¢ÍÁÈÀµÄÑÏÖØÎÛȾ£¬»¹½ÚÔ¼Á˽ðÊô×ÊÔ´ ¢ÚPM2.5ÊÇÔì³ÉÎíö²ÌìÆøµÄÔªÐ×Ö®Ò» ¢Ûº¬Á×Ï´µÓ¼ÁµÄʹÓûᵼÖÂË®ÎÛȾ |
| C¡¢»¯Ñ§Ó밲ȫ | D¡¢»¯Ñ§Ó뽡¿µ |
| ¢Ù³´²ËÓ͹ø×Å»ð¿ÉÒÔÓùø¸Ç¸ÇÃð ¢Ú±»Î§À§ÔÚ»ðÔÖÇøÊ±£¬ÓÃʪë½íÎæ×¡¿Ú±ÇµÍÏÂÉí×ÓÌÓÉú ¢ÛÒ¹¼ä·¢ÏÖÒº»¯ÆøÐ¹Â©£¬¿ªµÆÑ°ÕÒй©Դ | ¢ÙÈËÌåȱÌú»áÒýÆðƶѪ ¢ÚʳÓüӵâÑοÉÔ¤·À´ó²±×Ó²¡£¬ËùÒÔ¾¡Á¿¶à³Ô ¢ÛʳÓÃÊ߲˺ÍË®¹ûÀ´²¹³äάÉúËØ |
| A£® | A | B£® | B | C£® | C | D£® | D |
| A£® | ·Ö×Ó | B£® | Ô×Ó | C£® | ÔªËØ | D£® | µ¥ÖÊ |
| Îï ÖÊ | ¼× | ÒÒ | ±û | ¶¡ |
| ·´Ó¦Ç°ÖÊÁ¿£¨g£© | 4 | 1 | 42 | 10 |
| ·´Ó¦ºóÖÊÁ¿£¨g£© | X | 20 | 6 | 10 |
| A£® | XµÄֵΪ0 | |
| B£® | ²Î¼Ó·´Ó¦µÄ¼×¡¢±ûµÄÖÊÁ¿±ÈΪ1£º9 | |
| C£® | ÒÒ¡¢¶¡µÄÏà¶Ô·Ö×ÓÖÊÁ¿±ÈÒ»¶¨Îª19£º21 | |
| D£® | ¸Ã·´Ó¦µÄ·´Ó¦ÀàÐÍÒ»¶¨²»ÊÇ»¯ºÏ·´Ó¦ |
| A£® | »¯Ñ§Ó밲ȫ£ºÖؽðÊôÖж¾--ºÈÏÊÅ£ÄÌ¡¢¶¹½¬µÈ½â¶¾£»ÃºÆøÐ¹Â©--¹Ø±ÕÆø·§£¬ÑϽûÑÌ»ð | |
| B£® | »¯Ñ§ÓëÉú»î£ºË®ÖÐÓÐÒìζ--ÓûîÐÔÌ¿Îü¸½£»¼ø±ð´¿ÃÞÖ¯ÎïºÍ´¿Ã«Ö¯Îï--ׯÉÕÎÅÆøÎ¶ | |
| C£® | ÎïÀíÐÔÖÊÓëÓÃ;£ºO2¿Éȼ--Æøº¸Çиî½ðÊô£»´¿¼îÄÜÓëÑÎËá·´Ó¦--ÖÎÁÆÎ¸Ëá¹ý¶à | |
| D£® | »¯Ñ§Óë²ÄÁÏ£ºËÜÁÏ¡¢Ïð½º--¶¼ÊôÓÚÓлú¸ß·Ö×Ó²ÄÁÏ£»ÉúÌú¡¢»ÆÍ--¶¼ÊôÓÚ½ðÊô²ÄÁÏ |
| A£® | MgºÍAl | B£® | NaOHºÍCa£¨OH£©2 | C£® | Na2CO3ºÍK2CO3 | D£® | MgOºÍAl2O3 |
| A£® | ½ð¸Õʯ¡¢Ê¯Ä«ºÍC60ÎïÀíÐÔÖʲîÒìºÜ´ó--ËüÃÇÓɲ»Í¬ÖÖÔ×Ó¹¹ | |
| B£® | 6000LÑõÆø¼ÓѹÏ¿É×°ÈëÈÝ»ýΪ40LµÄ¸ÖÆ¿ÖÐ--·Ö×ÓÖ®¼äÓмä¸ô | |
| C£® | Ï¡ÓÐÆøÌå¿É×÷±£»¤Æø--Ô×ÓºËÍâµç×Ó´ïµ½Ïà¶ÔÎȶ¨½á¹¹ | |
| D£® | NaOHºÍCa£¨OH£©2»¯Ñ§ÐÔÖÊÏàËÆ--µçÀëʱÉú³ÉµÄÒõÀë×Ó¶¼ÊÇOH- |