ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§°Ñ¸ÉÔï¡¢´¿¾»µÄÂÈËá¼ØºÍ¶þÑõ»¯Ã̵ĻìºÏÎï31.5g×°Èë´óÊÔ¹ÜÖУ¬¼ÓÈÈÖÆÈ¡ÑõÆø£¬²¢ÔÚ²»Í¬Ê±¿Ì²â¶¨ÊÔ¹ÜÄÚÊ£Óà¹ÌÌåÎïÖʵÄÖÊÁ¿(Èçϱí)£º
·´Ó¦Ê±¼ä£¯min | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 |
Ê£Óà¹ÌÌåÖÊÁ¿/g | 28.9 | 26.3 | 23.7 | 21.9 | 21.9 |
·ÖÎö±íÖÐÊý¾Ý£¬Íê³ÉÏÂÁÐÎÊÌ⣺
(1)ÍêÈ«·´Ó¦ºó£¬Éú³ÉÑõÆøµÄÖÊÁ¿Îª___________g£»
(2)°ÑÊ£Óà¹ÌÌå¼ÓÈë×ãÁ¿µÄË®Èܽâ¹ýÂ˵õ½ÂËÒº55g(¶þÑõ»¯ÃÌÄÑÈÜÓÚË®)£¬¼ÆËãÂËÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ?(¾«È·µ½0.1£¥) ___________
¡¾´ð°¸¡¿ 9.6 27.1%
¡¾½âÎö¡¿(1)¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉÖª£¬ÍêÈ«·´Ó¦ºó£¬Éú³ÉÑõÆøµÄÖÊÁ¿Îª31.5g£21.9g£½9.6g¡£ (2)½â¡ÃÉèÍêÈ«·´Ó¦ºóÉú³ÉµÄÂÈ»¯¼ØÖÊÁ¿Îªx
2KClO32KCl+3O2¡ü
149 96
X 9.6g
£½ £¬x£½14.9g¡£
ÂËÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊÇ ¡Á100£¥£½27.1%¡£
´ð¡Ã(1)ÍêÈ«·´Ó¦ºó£¬Éú³ÉÑõÆøµÄÖÊÁ¿Îª14.9g£»(2) ÂËÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊÇ27.1%¡£
µã¾¦¡ÃÁé»îÓ¦ÓÃÖÊÁ¿Êغ㶨ÂÉ£¬ÕýÈ·Êéд»¯Ñ§·½³ÌʽÊÇ˳ÀûÍê³É±¾ÌâµÄÖØÒª±£Ö¤¡£