Ϊ²â¶¨H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒºÖÐÈÜÖʵĺ¬Á¿£¬Ð¡Ç¿ºÍС¹úÉè¼Æ²¢½øÐÐÁËÒÔÏÂʵÑ飮
¡¾²éÔÄ×ÊÁÏ¡¿¢ÙCu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£»¢ÚBaSO4¹ÌÌåÊÜÈÈÄѷֽ⣮
¡¾ÊµÑéÒ»¡¿Ä¿µÄ£º²â¶¨100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿

£¨1£©Ð¡Ç¿ÈÏΪm1ÊÇCuOµÄÖÊÁ¿£¬Ð¡¹úÌá³öÖÊÒÉ£¬ÈÏΪm1ÊÇ________µÄÖÊÁ¿£®
£¨2£©ÎªµÃµ½CuOµÄÖÊÁ¿£¬Ð¡¹ú¾ö¶¨½«Ba£¨OH£©2ÈÜÒº»»³ÉÁíÒ»ÖÖÈÜÒº£¬¸ÃÈÜÒº¿ÉÒÔÊÇ________£¨Ìî×Öĸ£©£®
A£®NaOHÈÜÒº¡¢B£®KOHÈÜÒº¡¢C£®BaCl2ÈÜÒº
£¨3£©¸Ä½øʵÑéºóС¹úµÃµ½8.0g CuO£¬ÊÔÇó100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿£®
½â£º
¡¾ÊµÑé¶þ¡¿Ä¿µÄ£º²â¶¨100.0 g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊý
Ö÷ҪʵÑé²½ÖèÈçÏ£º
a£®°´Í¼×é×°ÒÇÆ÷£¬¼ì²éÆøÃÜÐÔ£¬×°ºÃÒ©Æ·£¬ÆäÖÐFe2O3µÄÖÊÁ¿Îªm2g£»
b£®´ò¿ª»îÈûA£¬Í¨ÈëN2Ò»¶Îʱ¼ä£¬¹Ø±Õ»îÈûA£»
c£®µãȼ¾Æ¾«µÆ£¬ÖðµÎ¼ÓÈë100.0g»ìºÏÈÜÒº£»
d£®²â¶¨·´Ó¦¹ý³ÌÖÐÓ²Öʲ£Á§¹ÜÄÚÎïÖʵÄÖÊÁ¿£¨¼û±í¸ñËùʾ£©£»
e£®´ý·´Ó¦½áÊøºó£¬Ï¨Ãð¾Æ¾«µÆ£¬´ò¿ª»îÈûA£¬»º»ºÍ¨Ò»»á¶ùN2£®
¼Ç¼Êý¾Ý
ʱ¼ä/mint0t1t2t3t4t5
ÖÊÁ¿/gm2m2-1.6m2-3.0m2-4.0m2-4.8m2-4.8
¹ýÂË¡¢Ï´µÓ¸ÉÔï¡¢³ÆÁ¿
£¨4£©Çë½áºÏÒÔÉÏʵÑéÊý¾Ý£¨¼ÙÉèÓëFe2O3·´Ó¦µÄÆøÌåµÄËðºÄºöÂÔ£©£¬¼ÆËã100.0g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊýΪ________£®£¨¿ÉÄÜÓõ½µÄÏà¶Ô·Ö×ÓÖÊÁ¿£ºFe2O3-160£¬H2SO4-98£©

½â£»£¨1£©ÒòΪÇâÑõ»¯±µÈÜÒºÓëH2SO4ºÍCuSO4·´Ó¦ºóÉú³ÉCu£¨OH£©2ºÍBaSO4£¬ÓÉÒÑÖªÌõ¼þ¿ÉÖª£¬Cu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£¬BaSO4¹ÌÌåÊÜÈÈÄѷֽ⣬¹Ê¿ÉÅжÏm1ΪCuOºÍBaSO4µÄÖÊÁ¿£®
¹ÊÑ¡CuOºÍBaSO4£®
£¨2£©ÒòΪAºÍBÈÜÒºÖж¼ÓÐOHÀë×Ó£¬¶¼¿ÉÓëÁòËáÍ­·´Ó¦Éú³ÉÇâÑõ»¯Í­£¬Cu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£¬¿ÉÒԵõ½CuOµÄÖÊÁ¿£®
¹ÊÑ¡AB£®
£¨3£©½â£º¢ÙÉè·´Ó¦¹ý³ÌÖÐÉú³ÉCu£¨OH£©2³ÁµíÖÊÁ¿Îªx£¬ÒÀÌâÒâµÃ£º
Cu£¨OH£©2CuO+H2O£¬
98 80
x 8.0g
£¬
½âÖ®µÃ£ºx=9.8g£¬
¢ÚÉè100.0g»ìºÏÈÜÒºÖк¬CuSO4ÖÊÁ¿Îªy£®
CuSO4+2NaOH=Cu£¨OH£©2¡ý+Na2SO4
160 98
y 9.8g
¡à£¬
½âÖ®µÃ£ºy=16.0g£®
´ð£º100.0g»ìºÏÈÜÒºÖк¬CuSO4ÖÊÁ¿Îª16.0g£®
£¨4£©ÓëÑõ»¯Ìú·´Ó¦µÄÇâÆøµÄÖÊÁ¿Îªx£¬
Fe2O3+3H22Fe+3H2O¡÷m
6 160-112=48
x 4.8g
¡à=

½âÖ®µÃ£ºx=0.6g£¬
ÔòÉú³É0.6gÇâÆøÐèÒªµÄÁòËáµÄÖÊÁ¿Îª0.6g¡Â£¨¡Á100%£©=29.4g
ÔòÁòËáÈÜÒºµÄÖÊÁ¿·ÖÊýΪ¡Á100%=29.4%
¹Ê´ð°¸Îª£º29.4%£®
·ÖÎö£º£¨1£©ÒòΪÇâÑõ»¯±µÈÜÒºÓëH2SO4ºÍCuSO4·´Ó¦ºóÉú³ÉCu£¨OH£©2ºÍBaSO4£¬Cu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£¬BaSO4¹ÌÌåÊÜÈÈÄѷֽ⣮¾Ý´Ë´ðÌ⣻
£¨2£©¸ù¾ÝÌâÒâ¿ÉÖª£¬Cu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£¬Òò´ËËù¸øÈÜÒººÍ»ìºÏÈÜÒº·´Ó¦ºóÄÜÉú³ÉÇâÑõ»¯Í­¼´¿É£»
£¨3£©¢Ù¸ù¾Ý¼ÓÈÈÇâÑõ»¯Í­µÄ»¯Ñ§·½³ÌʽºÍÑõ»¯Í­µÄÖÊÁ¿£¬Áгö±ÈÀýʽ£¬¼´¿É¼ÆËã³ö·´Ó¦¹ý³ÌÖÐÉú³ÉCu£¨OH£©2³ÁµíÖÊÁ¿£»
¢Ú¸ù¾ÝÁòËáÍ­ºÍÇâÑõ»¯ÄÆ·´Ó¦µÄ»¯Ñ§·½³ÌʽÒÔ¼°¢ÙÖмÆËã³öµÄ·´Ó¦¹ý³ÌÖÐÉú³ÉCu£¨OH£©2³ÁµíÖÊÁ¿£¬¼´¿É¼ÆËã³ö100.0g»ìºÏÈÜÒºÖк¬CuSO4ÖÊÁ¿£»
£¨4£©ÓÉͼ±í¿ÉÖª£¬ÍêÈ«·´Ó¦Ê±£¬ÊÔ¹ÜÄÚÖÊÁ¿±ä»¯Îª4.8g£¬Æäʵ¾ÍÊÇʧȥµÄÑõÔªËصÄÖÊÁ¿£¬Ò²¾ÍÊǹÌÌåÖÊÁ¿±ä»¯Á¿£®È»ºó¸ù¾ÝFe2O3ÓëH2·´Ó¦µÄ»¯Ñ§·½³Ìʽ¼´¿É¼ÆËã³ö H2 µÄÖÊÁ¿£¬½ø¶øÇóËã³öÁòËáÈÜÖʵÄÖÊÁ¿£¬È»ºó¸ù¾ÝÖÊÁ¿·ÖÊý¹«Ê½¼ÆËã¼´¿É£®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éѧÉúÔËÓû¯Ñ§·½³ÌʽºÍÖÊÁ¿·ÖÊý¹«Ê½½øÐмÆËãµÄÄÜÁ¦£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

Ϊ²â¶¨H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒºÖÐÈÜÖʵĺ¬Á¿£¬Ð¡Ç¿ºÍС¹úÉè¼Æ²¢½øÐÐÁËÒÔÏÂʵÑ飮
¡¾²éÔÄ×ÊÁÏ¡¿¢ÙCu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£»¢ÚBaSO4¹ÌÌåÊÜÈÈÄѷֽ⣮
¡¾ÊµÑéÒ»¡¿Ä¿µÄ£º²â¶¨100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿
¾«Ó¢¼Ò½ÌÍø
£¨1£©Ð¡Ç¿ÈÏΪm1ÊÇCuOµÄÖÊÁ¿£¬Ð¡¹úÌá³öÖÊÒÉ£¬ÈÏΪm1ÊÇ
 
µÄÖÊÁ¿£®
£¨2£©ÎªµÃµ½CuOµÄÖÊÁ¿£¬Ð¡¹ú¾ö¶¨½«Ba£¨OH£©2ÈÜÒº»»³ÉÁíÒ»ÖÖÈÜÒº£¬¸ÃÈÜÒº¿ÉÒÔÊÇ
 
£¨Ìî×Öĸ£©£®
A£®NaOHÈÜÒº¡¢B£®KOHÈÜÒº¡¢C£®BaCl2ÈÜÒº
£¨3£©¸Ä½øʵÑéºóС¹úµÃµ½8.0g CuO£¬ÊÔÇó100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿£®
½â£º
¡¾ÊµÑé¶þ¡¿Ä¿µÄ£º²â¶¨100.0 g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊý
Ö÷ҪʵÑé²½ÖèÈçÏ£º¾«Ó¢¼Ò½ÌÍø
a£®°´Í¼×é×°ÒÇÆ÷£¬¼ì²éÆøÃÜÐÔ£¬×°ºÃÒ©Æ·£¬ÆäÖÐFe2O3µÄÖÊÁ¿Îªm2g£»
b£®´ò¿ª»îÈûA£¬Í¨ÈëN2Ò»¶Îʱ¼ä£¬¹Ø±Õ»îÈûA£»
c£®µãȼ¾Æ¾«µÆ£¬ÖðµÎ¼ÓÈë100.0g»ìºÏÈÜÒº£»
d£®²â¶¨·´Ó¦¹ý³ÌÖÐÓ²Öʲ£Á§¹ÜÄÚÎïÖʵÄÖÊÁ¿£¨¼û±í¸ñËùʾ£©£»
e£®´ý·´Ó¦½áÊøºó£¬Ï¨Ãð¾Æ¾«µÆ£¬´ò¿ª»îÈûA£¬»º»ºÍ¨Ò»»á¶ùN2£®
¼Ç¼Êý¾Ý
ʱ¼ä/min t0 t1 t2 t3 t4 t5
ÖÊÁ¿/g m2 m2-1.6 m2-3.0 m2-4.0 m2-4.8 m2-4.8
¹ýÂË¡¢Ï´µÓ¸ÉÔï¡¢³ÆÁ¿
£¨4£©Çë½áºÏÒÔÉÏʵÑéÊý¾Ý£¨¼ÙÉèÓëFe2O3·´Ó¦µÄÆøÌåµÄËðºÄºöÂÔ£©£¬¼ÆËã100.0g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊýΪ
 
£®£¨¿ÉÄÜÓõ½µÄÏà¶Ô·Ö×ÓÖÊÁ¿£ºFe2O3-160£¬H2SO4-98£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2008Äê¹ã¶«Ê¡·ðɽÊÐÖп¼»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

£¨2008?·ðɽ£©Îª²â¶¨H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒºÖÐÈÜÖʵĺ¬Á¿£¬Ð¡Ç¿ºÍС¹úÉè¼Æ²¢½øÐÐÁËÒÔÏÂʵÑ飮
¡¾²éÔÄ×ÊÁÏ¡¿¢ÙCu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£»¢ÚBaSO4¹ÌÌåÊÜÈÈÄѷֽ⣮
¡¾ÊµÑéÒ»¡¿Ä¿µÄ£º²â¶¨100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿

£¨1£©Ð¡Ç¿ÈÏΪm1ÊÇCuOµÄÖÊÁ¿£¬Ð¡¹úÌá³öÖÊÒÉ£¬ÈÏΪm1ÊÇ______µÄÖÊÁ¿£®
£¨2£©ÎªµÃµ½CuOµÄÖÊÁ¿£¬Ð¡¹ú¾ö¶¨½«Ba£¨OH£©2ÈÜÒº»»³ÉÁíÒ»ÖÖÈÜÒº£¬¸ÃÈÜÒº¿ÉÒÔÊÇ______£¨Ìî×Öĸ£©£®
A£®NaOHÈÜÒº¡¢B£®KOHÈÜÒº¡¢C£®BaCl2ÈÜÒº
£¨3£©¸Ä½øʵÑéºóС¹úµÃµ½8.0g CuO£¬ÊÔÇó100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿£®
½â£º
¡¾ÊµÑé¶þ¡¿Ä¿µÄ£º²â¶¨100.0 g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊý
Ö÷ҪʵÑé²½ÖèÈçÏ£º
a£®°´Í¼×é×°ÒÇÆ÷£¬¼ì²éÆøÃÜÐÔ£¬×°ºÃÒ©Æ·£¬ÆäÖÐFe2O3µÄÖÊÁ¿Îªm2g£»
b£®´ò¿ª»îÈûA£¬Í¨ÈëN2Ò»¶Îʱ¼ä£¬¹Ø±Õ»îÈûA£»
c£®µãȼ¾Æ¾«µÆ£¬ÖðµÎ¼ÓÈë100.0g»ìºÏÈÜÒº£»
d£®²â¶¨·´Ó¦¹ý³ÌÖÐÓ²Öʲ£Á§¹ÜÄÚÎïÖʵÄÖÊÁ¿£¨¼û±í¸ñËùʾ£©£»
e£®´ý·´Ó¦½áÊøºó£¬Ï¨Ãð¾Æ¾«µÆ£¬´ò¿ª»îÈûA£¬»º»ºÍ¨Ò»»á¶ùN2£®
¼Ç¼Êý¾Ý
ʱ¼ä/mintt1t2t3t4t5
ÖÊÁ¿/gm2m2-1.6m2-3.0m2-4.0m2-4.8m2-4.8
¹ýÂË¡¢Ï´µÓ¸ÉÔï¡¢³ÆÁ¿
£¨4£©Çë½áºÏÒÔÉÏʵÑéÊý¾Ý£¨¼ÙÉèÓëFe2O3·´Ó¦µÄÆøÌåµÄËðºÄºöÂÔ£©£¬¼ÆËã100.0g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊýΪ______£®£¨¿ÉÄÜÓõ½µÄÏà¶Ô·Ö×ÓÖÊÁ¿£ºFe2O3-160£¬H2SO4-98£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2008Äê¹ã¶«Ê¡·ðɽÊÐÖп¼»¯Ñ§Ä£ÄâÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

28£®£¨2008?·ðɽ£©Îª²â¶¨H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒºÖÐÈÜÖʵĺ¬Á¿£¬Ð¡Ç¿ºÍС¹úÉè¼Æ²¢½øÐÐÁËÒÔÏÂʵÑ飮
¡¾²éÔÄ×ÊÁÏ¡¿¢ÙCu£¨OH£©2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£»¢ÚBaSO4¹ÌÌåÊÜÈÈÄѷֽ⣮
¡¾ÊµÑéÒ»¡¿Ä¿µÄ£º²â¶¨100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿

£¨1£©Ð¡Ç¿ÈÏΪm1ÊÇCuOµÄÖÊÁ¿£¬Ð¡¹úÌá³öÖÊÒÉ£¬ÈÏΪm1ÊÇ______µÄÖÊÁ¿£®
£¨2£©ÎªµÃµ½CuOµÄÖÊÁ¿£¬Ð¡¹ú¾ö¶¨½«Ba£¨OH£©2ÈÜÒº»»³ÉÁíÒ»ÖÖÈÜÒº£¬¸ÃÈÜÒº¿ÉÒÔÊÇ______£¨Ìî×Öĸ£©£®
A£®NaOHÈÜÒº¡¢B£®KOHÈÜÒº¡¢C£®BaCl2ÈÜÒº
£¨3£©¸Ä½øʵÑéºóС¹úµÃµ½8.0g CuO£¬ÊÔÇó100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿£®
½â£º
¡¾ÊµÑé¶þ¡¿Ä¿µÄ£º²â¶¨100.0 g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊý
Ö÷ҪʵÑé²½ÖèÈçÏ£º
a£®°´Í¼×é×°ÒÇÆ÷£¬¼ì²éÆøÃÜÐÔ£¬×°ºÃÒ©Æ·£¬ÆäÖÐFe2O3µÄÖÊÁ¿Îªm2g£»
b£®´ò¿ª»îÈûA£¬Í¨ÈëN2Ò»¶Îʱ¼ä£¬¹Ø±Õ»îÈûA£»
c£®µãȼ¾Æ¾«µÆ£¬ÖðµÎ¼ÓÈë100.0g»ìºÏÈÜÒº£»
d£®²â¶¨·´Ó¦¹ý³ÌÖÐÓ²Öʲ£Á§¹ÜÄÚÎïÖʵÄÖÊÁ¿£¨¼û±í¸ñËùʾ£©£»
e£®´ý·´Ó¦½áÊøºó£¬Ï¨Ãð¾Æ¾«µÆ£¬´ò¿ª»îÈûA£¬»º»ºÍ¨Ò»»á¶ùN2£®
¼Ç¼Êý¾Ý
ʱ¼ä/mintt1t2t3t4t5
ÖÊÁ¿/gm2m2-1.6m2-3.0m2-4.0m2-4.8m2-4.8
¹ýÂË¡¢Ï´µÓ¸ÉÔï¡¢³ÆÁ¿
£¨4£©Çë½áºÏÒÔÉÏʵÑéÊý¾Ý£¨¼ÙÉèÓëFe2O3·´Ó¦µÄÆøÌåµÄËðºÄºöÂÔ£©£¬¼ÆËã100.0g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊýΪ______£®£¨¿ÉÄÜÓõ½µÄÏà¶Ô·Ö×ÓÖÊÁ¿£ºFe2O3-160£¬H2SO4-98£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º¹ã¶«Ê¡Öп¼ÕæÌâ ÌâÐÍ£ºÊµÑéÌâ

Ϊ²â¶¨H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒºÖÐÈÜÖʵĺ¬Á¿£¬Ð¡Ç¿ºÍС¹úÉè¼Æ²¢½øÐÐÁËÒÔÏÂʵÑé¡£
¡¾²éÔÄ×ÊÁÏ¡¿¢ÙCu(OH)2¹ÌÌåÊÜÈÈÒ×·Ö½â²úÉúCuOºÍH2O£»¢ÚBaSO4¹ÌÌåÊÜÈÈÄѷֽ⡣
¡¾ÊµÑéÒ»¡¿Ä¿µÄ£º²â¶¨100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿
£¨1£©Ð¡Ç¿ÈÏΪm1ÊÇCuOµÄÖÊÁ¿£¬Ð¡¹úÌá³öÖÊÒÉ£¬ÈÏΪm1ÊÇ__________µÄÖÊÁ¿¡£
£¨2£©ÎªµÃµ½CuOµÄÖÊÁ¿£¬Ð¡¹ú¾ö¶¨½«Ba(OH)2ÈÜÒº»»³ÉÁíÒ»ÖÖÈÜÒº£¬¸ÃÈÜÒº¿ÉÒÔÊÇ_____£¨Ìî×Öĸ£©¡£
A£®NaOHÈÜÒº B£®KOHÈÜÒº C£®BaCl2ÈÜÒº
£¨3£©¸Ä½øʵÑéºóС¹úµÃµ½8.0gCuO£¬ÊÔÇó100.0g»ìºÏÈÜÒºÖÐCuSO4µÄÖÊÁ¿__________¡£
¡¾ÊµÑé¶þ¡¿Ä¿µÄ£º²â¶¨100.0g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊý
Ö÷ҪʵÑé²½ÖèÈçÏ£º
a£®°´Í¼×é×°ÒÇÆ÷£¬¼ì²éÆøÃÜÐÔ£¬×°ºÃÒ©Æ·£¬ÆäÖÐFe2O3µÄÖÊÁ¿Îªm2g£»
b£®´ò¿ª»îÈûA£¬Í¨ÈëN2Ò»¶Îʱ¼ä£¬¹Ø±Õ»îÈûA£»
c£®µãȼ¾Æ¾«µÆ£¬ÖðµÎ¼ÓÈë100.0g»ìºÏÈÜÒº£»
d£®²â¶¨·´Ó¦¹ý³ÌÖÐÓ²Öʲ£Á§¹ÜÄÚÎïÖʵÄÖÊÁ¿£¨¼û±í¸ñËùʾ£©£»
e£®´ý·´Ó¦½áÊøºó£¬Ï¨Ãð¾Æ¾«µÆ£¬´ò¿ª»îÈûA£¬»º»ºÍ¨Ò»»á¶ùN2¡£
£¨4£©Çë½áºÏÒÔÉÏʵÑéÊý¾Ý£¨¼ÙÉèÓëFe2O3·´Ó¦µÄÆøÌåµÄËðºÄºöÂÔ£©£¬¼ÆËã100.0g»ìºÏÈÜÒºÖÐH2SO4µÄÖÊÁ¿·ÖÊýΪ__________¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸