ÌâÄ¿ÄÚÈÝ
£¨12·Ö£©A£®B£®C£®D£®EÊÇÖÐѧ»¯Ñ§³£¼ûµ¥ÖÊ£¬¹¹³ÉËüÃǵÄÔªËØµÄÔ×ÓÐòÊý·Ö±ðΪ¦Á¡¢b£® c£®d£®§Ö£»ÇÒ3 £¨a+b£© = 2 £¨a+c£© = 3 £¨d-a£©£»X¡¢Y¡¢Z¡¢M¡¢N¡¢W¡¢H¡¢KÊdz£¼û»¯ºÏÎXÊÇBºÍCµÄ»¯ºÏ²úÎËüÃÇÖ®¼äÓÐÈçÏÂת»¯¹ØÏµ£¨Í¼Öз´Ó¦ÎïºÍ²úÎïÖеÄH2OÒÑÂÔÈ¥£©£º
![]()
£¨1£©YµÄµç×ÓʽΪ £¬¹¹³ÉDµ¥ÖʵÄÔªËØÔÚÖÜÆÚ±íÖÐλÓÚ ÖÜÆÚ ×å¡£
£¨2£©·´Ó¦¢ÛµÄÀë×Ó·½³ÌʽΪ EµÄÑõ»¯ÎïÓëDÔÚÒ»¶¨Ìõ¼þÏ·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º ¡£
£¨3£©¹ÌÌåN³£ÎÂϼ´»Ó·¢£¬183¡æÉý»ª£¬¼¸ºõÈÜÓÚËùÓеÄÓлúÈܼÁºÍH2OÖУ¬¾Ý´ËÅжÏ
NΪ Ð;§Ìå¡£
£¨4£©25¡æÊ±£¬PH£½5µÄWºÍNµÄË®ÈÜÒºÖÐÓÉH2OµçÀë³öÀ´µÄH£«Àë×ÓŨ¶ÈÖ®±ÈΪ ¡£
£¨1£©
£»Èý£»¢óA
£¨2£©Al3++3AlO2£+6H2O = 4Al£¨OH£©3
Fe2O3+2Al
2Fe + Al2O3 £¨Fe2O3Èôд³ÉFeO»òFe3O4²¢ÅäÆ½Ò²¿ÉÒÔ£©
£¨3£©·Ö×Ó
£¨4£©1¡Ã104
¡¾½âÎö¡¿
| A¡¢¼òµ¥Àë×ӵİ뾶£ºC£¾D£¾E£¾B | B¡¢¹¤ÒµÉϳ£Óõç½â·¨ÖƵÃCºÍDµÄµ¥ÖÊ | C¡¢Îȶ¨ÐÔ£ºA2B£¾A2E | D¡¢µ¥ÖÊD¿ÉÓÃÓÚÒ±Á¶Ä³Ð©ÄÑÈÛ½ðÊô |