ÌâÄ¿ÄÚÈÝ

СÁÁͬѧ¶ÔÔÚ¿ÕÆøÖзÅÖÃÒ»¶Îʱ¼äµÄ¡°Í­Ê÷¡±£¨ÂÁË¿½þÅÝÔÚÁòËáÍ­ÈÜÒºÖƳÉÈçÓÒͼ£©µÄµÄ³É·ÖʱÐзÖÎö£¬È¡³ö64.1¿Ë¹ÌÌåÑùÆ·£¬ÓÃ10%µÄÑÎËá³ä·ÖÈܽ⣬ÈÜÒº³ÊÎÞÉ«£¬²úÉúµÄÆøÌåºÍÊ£Óà¹ÌÌåËæÏûºÄ10%µÄÑÎËáÖÊÁ¿±ä»¯¹ØϵÇúÏßÈçÏÂͼ£º

½áºÏͼÖÐÊý¾Ý·ÖÎö£º
£¨1£©¶Áͼ¿ÉÖª£¬CuÔªËصÄÖÊÁ¿_____g£¬64.1g¡°Í­Ê÷¡±ÓÐCu¡¢Al¡¢_____£¨Ìѧʽ£©
£¨2£©Çë½áºÏ»¯Ñ§·½³Ìʽ¼ÆËã¸Ã¡°Í­Ê÷¡±ÖÐAlÔªËصÄÖÊÁ¿·ÖÊý£¿
£¨3£©Ö»ÖªµÀ¡°Í­Ê÷¡±ÖÊÁ¿m1ºÍÏûºÄ10%µÄÑÎËá×ÜÖÊÁ¿£¨m2£©,Ò²ÄÜÇó³ö¡°Í­Ê÷¡±ÖÐÂÁÔªËØÖÊÁ¿·ÖÊý£¬Æä±í´ïʽΪ_______________(ÓÃm1ºÍm2±íʾ£¬¿É²»»¯¼ò)
£¨1£©32.0 Al2O3 (2)64.3% £¨3£©¡Á100%
(1)Í­²»ÓëÑÎËá·´Ó¦£¬AlÄÜÓëÑÎËá·´Ó¦£¬ÁòËáÂÁÈÜÓÚË®£¬¹ÊÊ£Óà¹ÌÌåµÄÖÊÁ¿ÎªÍ­µÄÖÊÁ¿£»AlÓëCuSO4ÈÜÒº·´Ó¦£¬Éú³ÉCuºÍAl2(SO4)3£»
£¨2£©Éè¹ÌÌåÑùÆ·ÖÐAlµÄÖÊÁ¿Îªx¡£
2Al + 6HCl  = 2AlCl3 + 3H2¡ü
54                      6
x                       3g

x=27g
Al2O3ÓëÏ¡ÑÎËᷴӦʱ£¬ÏûºÄÑÎËáµÄÖÊÁ¿Îª109.5g¡Á10%=10.95g
ÉèAl2O3µÄÖÊÁ¿Îªy£¬
Al2O3 + 6HCl  = 2AlCl3 + 3H2O¡ü
219
y      10.95

y=5.1g
Al2O3ÖÐAlµÄÖÊÁ¿Îª5.1g¡Á¡Á100%=2.7g
ÑùÆ·ÖÐAlµÄÖÊÁ¿Îª¡Á100%=46.3%
´ð£º¸Ã¡°Í­Ê÷¡±ÖÐAlÔªËصÄÖÊÁ¿·ÖÊýΪ46.3%¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø