ijÐËȤС×é¶ÔÉúÐâ·ÏÌú¹øÖÐÌúµÄº¬Á¿½øÐÐÁ˲ⶨ¡£ÉúÐâµÄÌú¹øÖгýFe¡¢Fe2O3Í⣬»¹º¬ÓÐ̼¡¢¹è¡¢Ã̵ÈÔªËØ£¨³ýFe¡¢Fe2O3ÒÔÍâµÄÎïÖʶ¼²»ÓëÏ¡ÁòËá·´Ó¦£©¡£ÐËȤС×éµÄͬѧ³ÆÈ¡33g·ÏÌú¹øƬ·ÅÈëÌØÖÆÈÝÆ÷ÖУ¬»ºÂý¼ÓÈë39.2%µÄÏ¡ÁòËᣬֱµ½·´Ó¦ÍêÈ«£¨¼ÙÉèÁòËáÏÈÓë±íÃæµÄÌúÐâ·¢Éú·´Ó¦£©£¬ÊµÑéÊý¾ÝÈçͼËùʾ¡£

£¨1£©´Ó»¯Ñ§ÔªËØÓëÈËÌ彡¿µµÄ½Ç¶È¿¼ÂÇ£¬ÎÒÃÇӦѡÓÃÌú¹ø»¹ÊÇÂÁ¹ø      £¬ÎªÊ²Ã´                           ¡£

£¨2£©·ÏÌú¹øƬÖÐÌúµ¥ÖʵÄÖÊÁ¿·ÖÊýΪ              ¡££¨½á¹û±£Áôµ½0.1%£©

£¨3£©ËùµÃÈÜÒºÖÐËùº¬ÈÜÖʵĻ¯Ñ§Ê½Îª                £¬¼ÆËãÈÜÒºÖÐÁòËáÌúµÄÖÊÁ¿¡£

£¨ÒªÇóд³ö¼ÆËã¹ý³Ì£©

¢Å Ìú¹ø£¨1·Ö£©  ÌúÊÇÈËÌå±ØÐèµÄ΢Á¿ÔªËØ£¬¶øÂÁÊDz»±ØÐèÔªËØ£¬¶øÇÒÂÁÔªËضÔÈËÌåÓк¦£¨1·Ö£©

¢Æ 84.8%£¨3·Ö£©

¢Ç Fe2(SO4)3¡¢FeSO4£¨2·Ö£©

½â£º  ÉèÉú³ÉFe2(SO4)3µÄÖÊÁ¿Îªx

          Fe2O3  +  3H2SO4   =  Fe2(SO4)+  3H2O¡­¡­¡­¡­¡­¡­£¨2·Ö£©

                    3¡Á98         400

                 18.75g¡Á39.2%     x

                

                      x= 10g¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­£¨2·Ö£©

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2012?¶«Óª£©Ä³ÐËȤС×é¶ÔÉúÐâ·ÏÌú¹øÖÐÌúµÄº¬Á¿½øÐÐÁ˲ⶨ£®ÉúÐâµÄÌú¹øÖгýFe¡¢Fe2O3Í⣬»¹º¬ÓÐ̼¡¢¹è¡¢Ã̵ÈÔªËØ£¨³ýFe¡¢Fe2O3ÒÔÍâµÄÎïÖʶ¼²»ÓëÏ¡ÁòËá·´Ó¦£©£®ÐËȤС×éµÄͬѧ³ÆÈ¡33g·ÏÌú¹øƬ·ÅÈëÌØÖÆÈÝÆ÷ÖУ¬»ºÂý¼ÓÈë39.2%µÄÏ¡ÁòËᣬֱµ½·´Ó¦ÍêÈ«£¨¼ÙÉèÁòËáÏÈÓë±íÃæµÄÌúÐâ·¢Éú·´Ó¦£©£¬ÊµÑéÊý¾ÝÈçͼËùʾ£®
£¨1£©´Ó»¯Ñ§ÔªËØÓëÈËÌ彡¿µµÄ½Ç¶È¿¼ÂÇ£¬ÎÒÃÇӦѡÓÃÌú¹ø»¹ÊÇÂÁ¹ø
Ìú¹ø
Ìú¹ø
£¬ÒòΪ
ÌúÊÇÈËÌå±ØÐèµÄ΢Á¿ÔªËØ£¬¶øÂÁÊDz»±ØÐèÔªËØ£¬¶øÇÒÂÁÔªËضÔÈËÌåÓк¦
ÌúÊÇÈËÌå±ØÐèµÄ΢Á¿ÔªËØ£¬¶øÂÁÊDz»±ØÐèÔªËØ£¬¶øÇÒÂÁÔªËضÔÈËÌåÓк¦
£®
£¨2£©·ÏÌú¹øƬÖÐÌúµ¥ÖʵÄÖÊÁ¿·ÖÊýΪ
84.8%
84.8%
£®£¨½á¹û±£Áôµ½0.1%£©
£¨3£©ËùµÃÈÜÒºÖÐËùº¬ÈÜÖʵĻ¯Ñ§Ê½Îª
Fe2£¨SO4£©3¡¢FeSO4
Fe2£¨SO4£©3¡¢FeSO4
£¬¼ÆËãÈÜÒºÖÐÁòËáÌúµÄÖÊÁ¿£®£¨ÒªÇóд³ö¼ÆËã¹ý³Ì£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ijÐËȤС×é¶ÔÉúÐâ·ÏÌú¹øÖÐÌúµÄº¬Á¿½øÐÐÁ˲ⶨ£®ÉúÐâµÄÌú¹øÖгýFe¡¢Fe2O3Í⣬»¹º¬ÓÐ̼¡¢¹è¡¢Ã̵ÈÔªËØ£¨³ýFe¡¢Fe2O3ÒÔÍâµÄÎïÖʶ¼²»ÓëÏ¡ÁòËá·´Ó¦£©£®ÐËȤС×éµÄͬѧ³ÆÈ¡33g·ÏÌú¹øƬ·ÅÈëÌØÖÆÈÝÆ÷ÖУ¬»ºÂý¼ÓÈë39.2%µÄÏ¡ÁòËᣬֱµ½·´Ó¦ÍêÈ«£¨¼ÙÉèÁòËáÏÈÓë±íÃæµÄÌúÐâ·¢Éú·´Ó¦£©£¬ÊµÑéÊý¾ÝÈçͼËùʾ£®
£¨1£©´Ó»¯Ñ§ÔªËØÓëÈËÌ彡¿µµÄ½Ç¶È¿¼ÂÇ£¬ÎÒÃÇӦѡÓÃÌú¹ø»¹ÊÇÂÁ¹ø
Ìú¹ø
Ìú¹ø
£®
£¨2£©·ÏÌú¹øƬÖÐÌúµ¥ÖʵÄÖÊÁ¿·ÖÊýΪ
84.8%
84.8%
£®£¨½á¹û±£Áôµ½0.1%£©
£¨3£©ËùµÃÈÜÒºÖÐËùº¬ÈÜÖʵĻ¯Ñ§Ê½Îª
Fe2£¨SO4£©3¡¢FeSO4
Fe2£¨SO4£©3¡¢FeSO4
£¬¼ÆËãÈÜÒºÖÐÁòËáÌúµÄÖÊÁ¿£®£¨ÒªÇóд³ö¼ÆËã¹ý³Ì£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ijÐËȤС×é¶ÔÉúÐâ·ÏÌú¹øÖÐÌúµÄº¬Á¿½øÐÐÁ˲ⶨ¡£ÉúÐâµÄÌú¹øÖгýFe¡¢Fe2O3Í⣬»¹º¬ÓÐ̼¡¢¹è¡¢Ã̵ÈÔªËØ£¨³ýFe¡¢Fe2O3ÒÔÍâµÄÎïÖʶ¼²»ÓëÏ¡ÁòËá·´Ó¦£©¡£ÐËȤС×éµÄͬѧ³ÆÈ¡40 g·ÏÌú¹øƬ·ÅÈëÌØÖÆÈÝÆ÷ÖУ¬»ºÂý¼ÓÈë39.2%µÄÏ¡ÁòËᣬֱµ½Ç¡ºÃ·´Ó¦ÍêÈ«Í£Ö¹¼ÓÈëÏ¡ÁòËᣨ¼ÙÉèÁòËáÏÈÓë±íÃæµÄÌúÐâ·¢Éú·´Ó¦£©£¬ÊµÑéÊý¾ÝÈçÓÒͼËùʾ¡£

£¨1£©·ÏÌú¹øƬÖÐÌúµ¥ÖʵÄÖÊÁ¿·ÖÊýΪ                     ¡£

£¨2£©ËùµÃÈÜÒºÖÐËùº¬ÈÜÖʵĻ¯Ñ§Ê½Îª                                  £¬Çë¼ÆËãÈÜ

ÒºÖÐÁòËáÌúµÄÖÊÁ¿Îª                     g£¨Çëд³ö¼ÆËã¹ý³Ì£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2013Äê¹ã¶«Ê¡±ÏÒµÉúѧҵ¿¼ÊÔµÚÒ»´ÎÔ¤²â»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º¼ÆËãÌâ

ijÐËȤС×é¶ÔÉúÐâ·ÏÌú¹øÖÐÌúµÄº¬Á¿½øÐÐÁ˲ⶨ¡£ÉúÐâµÄÌú¹øÖгýFe¡¢Fe2O3Í⣬»¹º¬ÓÐ̼¡¢¹è¡¢Ã̵ÈÔªËØ£¨³ýFe¡¢Fe2O3ÒÔÍâµÄÎïÖʶ¼²»ÓëÏ¡ÁòËá·´Ó¦£©¡£ÐËȤС×éµÄͬѧ³ÆÈ¡33 g·ÏÌú¹øƬ·ÅÈëÌØÖÆÈÝÆ÷ÖУ¬»ºÂý¼ÓÈë39.2%µÄÏ¡ÁòËᣬֱµ½·´Ó¦ÍêÈ«£¨¼ÙÉèÁòËáÏÈÓë±íÃæµÄÌúÐâ·¢Éú·´Ó¦£©£¬ÊµÑéÊý¾ÝÈçͼËùʾ¡£

£¨1£©´Ó»¯Ñ§ÔªËØÓëÈËÌ彡¿µµÄ½Ç¶È¿¼ÂÇ£¬ÎÒÃÇÓ¦¸ÃÑ¡Óà        

£¨Ñ¡Ìî¡°Ìú¹ø¡±»ò¡°ÂÁ¹ø¡±£©£¬ÒòΪ                                     ¡£

£¨2£©·ÏÌú¹øƬÖÐÌúµ¥ÖʵÄÖÊÁ¿·ÖÊýΪ              ¡££¨½á¹û¾«È·µ½0.1%£©

£¨3£©ËùµÃÈÜÒºÖÐËùº¬ÈÜÖʵĻ¯Ñ§Ê½Îª                £¬¼ÆËãÈÜÒºÖÐÁòËáÌúµÄÖÊÁ¿¡£

£¨ÒªÇóд³ö¼ÆËã¹ý³Ì£©

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£ºÉ½¶«Ê¡Öп¼ÕæÌâ ÌâÐÍ£º¼ÆËãÌâ

ijÐËȤС×é¶ÔÉúÐâ·ÏÌú¹øÖÐÌúµÄº¬Á¿½øÐÐÁ˲ⶨ¡£ÉúÐâµÄÌú¹øÖгýFe¡¢Fe2O3Í⣬»¹º¬ÓÐ̼¡¢¹è¡¢Ã̵ÈÔªËØ£¨³ýFe¡¢Fe2O3ÒÔÍâµÄÎïÖʶ¼²»ÓëÏ¡ÁòËá·´Ó¦£©¡£ÐËȤС×éµÄͬѧ³ÆÈ¡33g·ÏÌú¹øƬ·ÅÈëÌØÖÆÈÝÆ÷ÖУ¬»ºÂý¼ÓÈë39.2%µÄÏ¡ÁòËᣬֱµ½·´Ó¦ÍêÈ«£¨¼ÙÉèÁòËáÏÈÓë±íÃæµÄÌúÐâ·¢Éú·´Ó¦£©£¬ÊµÑéÊý¾ÝÈçͼËùʾ¡£
£¨1£©´Ó»¯Ñ§ÔªËØÓëÈËÌ彡¿µµÄ½Ç¶È¿¼ÂÇ£¬ÎÒÃÇӦѡÓÃÌú¹ø»¹ÊÇÂÁ¹ø_______£¬ÎªÊ²Ã´________¡£
£¨2£©·ÏÌú¹øƬÖÐÌúµ¥ÖʵÄÖÊÁ¿·ÖÊýΪ__________¡££¨½á¹û±£Áôµ½0.1%£©
£¨3£©ËùµÃÈÜÒºÖÐËùº¬ÈÜÖʵĻ¯Ñ§Ê½Îª___________£¬¼ÆËãÈÜÒºÖÐÁòËáÌúµÄÖÊÁ¿¡££¨ÒªÇóд³ö¼ÆËã¹ý³Ì£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸