ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿¸ÆÔªËØÊÇÈËÌå±ØÐèµÄÔªËØ£¬ËüÊǹ¹³É¹Ç¸ì¡¢ÑÀ³ÝµÄÖØÒª³É·Ö£¬ÈËÃÇ¿ÉÒÔ´ÓÅ£ÄÌ¡¢Ê߲˵ÈʳÎïÖеõ½ËùÐèµÄ¸ÆÔªËØ£¬Èç¹û¸ÆÔªËز»×㣬»¹¿ÉÒÔÓÃÆÏÌÑÌÇËá¸Æ¡¢Ì¼Ëá¸ÆµÈº¬¸ÆµÄÒ©ÎïÀ´²¹³ä£¬Ë׳ơ°²¹¸Æ¡±£®
£¨1£©ÆÏÌÑÌÇËá¸Æ[»¯Ñ§Ê½ÊÇCa£¨C6H11O7£©2]µÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª£»ÆäÖиơ¢Ì¼¡¢Çâ¡¢ÑõËÄÖÖÔªËصÄÖÊÁ¿±ÈÊÇ £®
£¨2£©Ä³ÈËÿÌìÐèÓú¬1g̼Ëá¸ÆµÄÒ©Îï¡°²¹¸Æ¡±£¬ÔòËûÿÌì²¹³äµÄ¸ÆÔªËصÄÖÊÁ¿ÊÇ
¡¾´ð°¸¡¿
£¨1£©430£»20£º72£º11£º112
£¨2£©0.4g
¡¾½âÎö¡¿½â£º£¨1£©Ïà¶Ô·Ö×ÓÖÊÁ¿µÈÓÚ¸÷ÔªËØÔ×ÓÁ¿Ö®ºÍ£¬ÔòÆÏÌÑÌÇËá¸Æ[Ca£¨C6H11O7£©2]µÄÏà¶Ô·Ö×ÓÖÊÁ¿=40+£¨12¡Á6+11+16¡Á7£©¡Á2=430£»ÔªËصÄÖÊÁ¿±È=Ïà¶ÔÔ×ÓÖÊÁ¿¡ÁÓÒϽǽÇÂëÖ®±È£¬ÔòÆÏÌÑÌÇËá¸ÆÖиơ¢Ì¼¡¢Çâ¡¢ÑõËÄÖÐÖÖÔªËصÄÖÊÁ¿±È=40£º£¨12¡Á12£©£º22£º£¨16¡Á14£©=20£º72£º11£º112£»£¨2£©ÔªËصÄÖÊÁ¿=ÎïÖʵÄÖÊÁ¿¡Á¸ÃÔªËØÖÊÁ¿·ÖÊý£¬ÔòijÈËÿÌìÐèÓú¬1gµÄ̼Ëá¸Æ£¨CaCO3£©µÄÒ©Îï¡°²¹¸Æ¡±£®ÔòÿÌìËû²¹³äµÄ¸ÆÔªËØ=1g¡Á =0.4gËùÒÔ´ð°¸ÊÇ£º£¨1£©430£»20£º72£º11£º112£»£¨2£©0.4g
¡¾ÌâÄ¿¡¿ÔÚÒ»¶¨Ìõ¼þÏ£¬MºÍÑõÆø³ä·Ö·´Ó¦Éú³ÉË®ºÍ¶þÑõ»¯Ì¼Ò»¸öÃܱÕÈÝÆ÷ÄÚÓÐÑõÆø¡¢Ë®¡¢¶þÑõ»¯Ì¼¡¢ºÍÒ»ÖÖ¿ÉȼÎïM£¬²âµÃ·´Ó¦Ç°ºó¸÷ÎïÖʵÄÖÊÁ¿Èç±íËùʾ£¬ÔòÏÂÁÐ˵·¨´íÎóµÄÊÇ£¨ £©
Îï ÖÊ | ÑõÆø | ¶þÑõ»¯Ì¼ | Ë®ÕôÆø | M |
·´Ó¦Ç°µÄÖÊÁ¿/g | 55 | 1 | 3 | 23 |
·´Ó¦ºóµÄÖÊÁ¿/g | 7 | y | 30 | x |
A.ÎïÖÊMÖÐÒ»¶¨º¬ÓÐC H OÔªËØ
B.¸Ã·´Ó¦ÑõÔªËصĻ¯ºÏ¼Û½µµÍÁË
C.ÎïÖÊMÖÐÒ»¶¨º¬ÓÐC H ¿ÉÄܺ¬ÓÐ OÔªËØ
D.YµÄÖµÊÇ45
¡¾ÌâÄ¿¡¿³ýÈ¥ÏÂÁÐÎïÖÊÖеÄÉÙÁ¿ÔÓÖÊ¡£ËùÑ¡ÓõÄÊÔ¼Á¼°²Ù×÷·½·¨¾ù²»ÕýÈ·µÄÊÇ
Ñ¡Ïî | ÎïÖÊ£¨À¨ºÅÄÚΪÔÓÖÊ£© | ÊÔ¼Á | ²Ù×÷·½·¨ |
A | CaO £¨CaCO3£© | ¡ª¡ª | ¸ßε½ÖÊÁ¿²»ÔÙ¼õÉÙ |
B | CO2ÆøÌ壨HCl£© | ÇâÑõ»¯ÄÆÈÜÒº¡¢Å¨ÁòËá | Ï´Æø¡¢¸ÉÔï |
C | NaOH¹ÌÌ壨BaSO4£© | ×ãÁ¿µÄË® | Èܽ⡢¹ýÂË¡¢Õô·¢ |
D | NaClÈÜÒº£¨MgCl2£© | ÊÊÁ¿KOHÈÜÒº | ¹ýÂË |