ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿2017Äê5ÔÂ14ÈÕ£¬Ò»´øһ·¸ß·åÂÛ̳ÔÚ±±¾©¾ÙÐС£¡°Ë¿³ñ֮·¡±£¬¼ÈÊÇ˿·£¬Ò²ÊDzè·¡£ÑØ×ÅÕâÌõ·£¬ÖйúµÄ²èÒ¶±»´«²¥µ½ÊÀ½ç¸÷µØ£¬Í¬ÑùÒòΪ²èÒ¶£¬Ò²¸Ä±äÁË¡°Ò»´øһ·¡±ÑØÏß¹ú¼ÒµÄÉú»îÏ°¹ß¡£ËûÃǽÓÊÜÁËÖйúµÄ²èÎÄ»¯£¬ÓÖ×¢ÈëÁ˲èÎÄ»¯ÐµÄÄÚÈÝ¡£ÉõÖÁ³ÉÁËËûÃÇÉú»îµÄÖØÒª×é³É²¿·Ö¡£Â̲èÒ¶ÖеIJè¶à·ÓµÈ»îÐÔÎïÖʾßÓнⶾºÍ¿¹·øÉä×÷Óá£ÈçͼËùʾÊDzè¶à·ÓÖк¬Á¿×î¸ßµÄÒ»ÖÖ¶ù²èËØAµÄ½á¹¹¼òʽ£¬ÓÉ´Ë¿ÉÖª»¯Ñ§Ê½ÎªC15H14O7£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺
(1)¶ù²èËØAµÄ»¯Ñ§Ê½Á¿(¼´Ïà¶Ô·Ö×ÓÖÊÁ¿)ÊÇ_____¡£
(2)¶ù²èËØAÖÐÇâ¡¢ÑõÔªËصÄÖÊÁ¿±ÈΪ_____¡£
(3)15.2g¶ù²èËØAÖÐ̼ԪËصÄÖÊÁ¿Îª_____g¡£
¡¾´ð°¸¡¿306 1£º8 8.9
¡¾½âÎö¡¿
(1)¶ù²èËØAµÄ»¯Ñ§Ê½Á¿(¼´Ïà¶Ô·Ö×ÓÖÊÁ¿)ÊÇ£º12¡Á15+1¡Á14+16¡Á7£½306£®¹ÊÌ306
(2)¶ù²èËØAÖÐÇâ¡¢ÑõÔªËصÄÖÊÁ¿±ÈΪ(1¡Á14)£º(16¡Á7)£½1£º8£®¹ÊÌ1£º8
(3)15.2g¶ù²èËØAÖÐ̼ԪËصÄÖÊÁ¿Îª15.2g¡Á¡Á100%¡Ö8.9g¡£¹ÊÌ8.9
¡¾ÌâÄ¿¡¿½«Ò»¶¨Á¿µÄÒÒ´¼£¨C2H6O£©ºÍÑõÆøÖÃÓÚÒ»¸ö·â±ÕµÄÈÝÆ÷ÖÐÒýȼ£¬²âµÃ·´Ó¦Ç°ºó¸÷ÎïÖʵÄÖÊÁ¿ÈçÏÂ±í£º
ÎïÖÊ | ÒÒ´¼ | ÑõÆø | Ë® | ¶þÑõ»¯Ì¼ | X |
·´Ó¦Ç°ÖÊÁ¿/g | 4.6 | 8.0 | 0 | 0 | 0 |
·´Ó¦ºóÖÊÁ¿/g | 0 | 0 | 5.4 | 4.4 | a |
ÏÂÁÐÅжÏÕýÈ·µÄÊÇ£¨ £©
A. ±íÖÐaµÄֵΪ2.6
B. XÒ»¶¨ÊǸ÷´Ó¦µÄ´ß»¯¼Á
C. X¿ÉÄܺ¬ÓÐÇâÔªËØ
D. ÈôÆðʼʱÑõÆøµÄÖÊÁ¿ÊÇ9.6g£¬ÔòÎÞXÉú³É
¡¾ÌâÄ¿¡¿Îª±È½Ï4ÖÖ½ðÊôX¡¢Y¡¢Z¡¢WµÄ»î¶¯ÐÔ£¬Ð¡¸Õ½øÐÐÁËһϵÁÐʵÑ飬½á¹ûÈç±íËùʾÆäÖÐÄÜ·´Ó¦µÄ¼ÇΪ¡°¡±£¬²»ÄÜ·´Ó¦µÄ¼ÇΪ¡°¡±£¬ÎÞ±ê¼ÇµÄ±íʾδ×ö¸ÃʵÑ飮ÔòËüÃǵĽðÊô»î¶¯ÐÔ˳ÐòΪ
²Î¼Ó·´Ó¦µÄÎïÖÊ | X | Y | Z | W |
ÈÜÒº | ||||
ÈÜÒº | ||||
Ï¡ÑÎËá |
A. B.
C. D.