ÏÖÓÐÑõ»¯Í­ºÍÍ­µÄ»ìºÏÎ¶ÔÆä³É·Ö½øÐзÖÎö£®È¡10g´ËÑùÆ·£¬ÏòÆäÖзÖÎå´Î¼ÓÈëÏàͬÈÜÖÊÖÊÁ¿·ÖÊýµÄÏ¡ÁòËᣬʹ֮³ä·Ö·´Ó¦£®Ã¿´ÎËùÓÃÏ¡ÁòËáµÄÖÊÁ¿¼°Ê£Óà¹ÌÌåµÄÖÊÁ¿¼Ç¼ÓÚÏÂ±í£º
µÚÒ»´Î µÚ¶þ´Î µÚÈý´Î µÚËÄ´Î µÚÎå´Î
¼ÓÈëÏ¡ÁòËáµÄÖÊÁ¿/g 20 20 20 20 20
³ä·Ö·´Ó¦ºóÊ£Óà¹ÌÌåÖÊÁ¿/g 6 4 2 2 M
ÊԻشðÏÂÁÐÎÊÌ⣺
£¨1£©ÉÏÊö±í¸ñÖÐMµÄֵΪ
2
2
£¬10gÑùÆ·ÖÐCuOµÄÖÊÁ¿Îª
80%
80%
g£®
£¨2£©¼ÆËãËù¼ÓÈëÏ¡ÁòËáÖÐÈÜÖÊÖÊÁ¿·ÖÊý£®
·ÖÎö£º£¨1£©¸ù¾ÝÈ¡10g´ËÑùÆ·£¬ÏòÆäÖзÖÎå´Î¼ÓÈëÏàͬÈÜÖÊÖÊÁ¿·ÖÊýµÄÏ¡ÁòËᣬʹ֮³ä·Ö·´Ó¦±íÖÐÇ°ËÄ´ÎÊý¾Ý¿ÉÖªµÚÈý´Î¼ÓÈëÏ¡ÁòËáÑùÆ·ÖеÄÑõ»¯Í­È«²Î¼Ó·´Ó¦·ÖÎö£®
£¨2£©¸ù¾ÝÑõ»¯Í­ºÍÏ¡ÁòËá·´Ó¦Éú³ÉÁòËáÍ­ºÍË®µÄ»¯Ñ§·½³Ìʽ¼ÆË㣮
½â´ð£º½â£º£¨1£©È¡10g´ËÑùÆ·£¬ÏòÆäÖзÖÎå´Î¼ÓÈëÏàͬÈÜÖÊÖÊÁ¿·ÖÊýµÄÏ¡ÁòËᣬʹ֮³ä·Ö·´Ó¦±íÖÐÇ°ËÄ´ÎÊý¾Ý¿ÉÖªµÚÈý´Î¼ÓÈëÏ¡ÁòËáÑùÆ·ÖеÄÑõ»¯Í­È«²Î¼Ó·´Ó¦£¬¹ÊÑùÆ·ÖеÄÑõ»¯Í­µÄÖÊÁ¿Îª8g£¬ÔÓÖʵÄÖÊÁ¿Îª2g£¬¹Ê´ð°¸£º2£¬8£®
£¨2£©ÉèÏ¡ÁòËáÖÐÈÜÖʵÄÖÊÁ¿Îªx
CuO+H2SO4¨TCuSO4+H2O
80   98
8g    x
80
8g
=
98
x

x=9.8g
¸ù¾Ý±íÖÐÊý¾Ý¿ÉÖªÓë10gÑõ»¯Í­ÑùÆ·ÖеÄÑõ»¯Í­·´Ó¦ÏûºÄµÄÏ¡ÁòËáÈÜÒºµÄÖÊÁ¿Îª60g
Ï¡ÁòËáÖÐÈÜÖÊÖÊÁ¿·ÖÊýΪ
9.8g
60g
¡Á100%=16.3%
´ð£ºËù¼ÓÈëÏ¡ÁòËáÖÐÈÜÖÊÖÊÁ¿·ÖÊýΪ16.3%£®
µãÆÀ£º±¾Ì⿼²é·ÖÎöʵÑéÊý¾ÝÈ»ºó¸ù¾Ý»¯Ñ§·½³ÌʽµÄ¼ÆË㣬½âÌâµÄÍ»ÆÆ¿Ú¾ÍÔÚ·ÖÎöÇå³þ±íÖеÄÏà¹ØʵÑéÊý¾Ý£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÏÖÓÐÎåÖֱ仯£ºÆäÖÐÊôÓÚ»¯ºÏ·´Ó¦µÄÊÇ
£¨2£©£¨5£©
£¨2£©£¨5£©
£¬ÊôÓڷֽⷴӦµÄÊÇ
£¨4£©
£¨4£©
£®ÓÉ´ËÄãÈÏΪ»¯ºÏ·´Ó¦¡¢·Ö½â·´Ó¦¸÷ÓÐʲôÌص㣿
£¨1£©ÍÁÈÀºÍË®»ìºÏºóµÃµ½ÄàË®£»
£¨2£©ÇâÆø+ÑõÆø
µãȼ
Ë®£»
£¨3£©ÒÒȲ+ÑõÆø
µãȼ
Ë®+¶þÑõ»¯Ì¼£»   
£¨4£©¼îʽ̼ËáÍ­
¼ÓÈÈ
Ñõ»¯Í­+¶þÑõ»¯Ì¼+Ë®£»
£¨5£©ÑÎËá+°±Æø¡úÂÈ»¯ï§£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2005?À¥Ã÷£©ÊÔ¹ÜÊÇ»¯Ñ§ÊÔÑéÖÐ×î³£ÓõÄÒÇÆ÷£®
£¨1£©¸øÊÔ¹ÜÀïµÄÒºÌå¼ÓÈÈʱ£¬ÒºÌåÌå»ý²»Ò˳¬¹ýÊÔ¹ÜÈÝ»ýµÄ
Èý·ÖÖ®Ò»
Èý·ÖÖ®Ò»
£®
£¨2£©ÏÖÓÐÏÂÁÐÒÇÆ÷£®

¢ÙÈôÒª×é×°Ò»Ì×ʵÑéÊÒÖÆÈ¡ÇâÆøµÄ¼òÒ××°Ö㬲»ÐèÒªÓõ½µÄÒÇÆ÷ÓУ¨ÌîÐòºÅ£©
f
f
£¬ÔÚÊÕ¼¯ÇâÆøʱ£¬ÒÇÆ÷eµÄ¿ª¿ÚÓ¦¸ÃÏò
ÏÂ
ÏÂ
£®
¢ÚʵÑéÊÒÓøßÃÌËá¼ØÖÆÈ¡ÑõÆøµÄ»¯Ñ§·½³ÌʽΪ
2KMn04
  ¡÷  
.
 
K2MnO4+MnO2+O2¡ü
2KMn04
  ¡÷  
.
 
K2MnO4+MnO2+O2¡ü
£®ÊµÑéÊÒ×é×°Ò»Ì×ÓøßÃÌËá¼ØÖÆÑõÆøµÄ·¢Éú×°Ö㬳ýa¡¢bÁ½ÖÖÒÇÆ÷Í⣬»¹ÐèÒªµÄÒÇÆ÷ÓУ¨ÌîÐòºÅ£©
df
df
£¬×éװʱÊԹܿÚÓ¦
ÉÔ΢ÏòÏÂÇãб
ÉÔ΢ÏòÏÂÇãб
£®
£¨3£©Ä³Í¬Ñ§ÔÚ×öÍê¡°ÇâÆøµÄÖÆÈ¡ºÍ»¹Ô­Ñõ»¯Í­¡±µÄʵÑéºó£¬·ÏÒº¸×ÖÐÊ¢ÓÐZnSO4¡¢H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒº£®Îª·ÀÖ¹·ÏÒºÎÛȾ»·¾³£¬Í¬Ê±»ØÊÕÍ­£®ÏÖ¶Ô·ÏÒº½øÐÐÈçÏ´¦Àí£ºÏò·ÏÒºÖмÓÈë¹ýÁ¿Ìúм²¢¹ýÂË£¬µÃµ½¹ÌÌåAºÍÂËÒºB£¬È»ºó½«¹ÌÌåA¼ÓÈëµ½×ãÁ¿µÄÏ¡ÁòËáÖУ¬¹ýÂ˵õ½Í­£®¸ù¾ÝÒÔÉÏת»¯¹Øϵ£¬ÇëÓÃÎïÖÊÃû³Æ»Ø´ð£º¹ÌÌåAÖÐÒ»¶¨º¬ÓÐ
Í­¡¢Ìú
Í­¡¢Ìú
£»ÂËÒºBÖÐÒ»¶¨º¬ÓÐ
ÁòËáп¡¢ÁòËáÑÇÌú
ÁòËáп¡¢ÁòËáÑÇÌú
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£ºÑ§Á¦ÌáÉýÖ¸µ¼´ÔÊé¡¡2006Äê³õÖл¯Ñ§×ܸ´Ï°Ï²á ÌâÐÍ£º022

ÊÔ¹ÜÊÇ»¯Ñ§ÊÔÑéÖÐ×î³£ÓõÄÒÇÆ÷£®

(1)

¸øÊÔ¹ÜÀïµÄÒºÌå¼ÓÈÈʱ£¬ÒºÌåÌå»ý²»Ò˳¬¹ýÊÔ¹ÜÈÝ»ýµÄ________£®

(2)

ÏÖÓÐÏÂÁÐÒÇÆ÷£º

¢ÙÈôÒª×é×°Ò»Ì×ʵÑéÊÒÖÆÈ¡ÇâÆøµÄ¼òµ¥×°Ö㬲»ÐèÒªÓõ½µÄÒÇÆ÷ÓÐ(ÌîÐòºÅ)________£¬ÔÚÊÕ¼¯ÇâÆøʱ£¬ÒÇÆ÷eµÄ¿ª¿ÚÓ¦¸ÃÏò________£®

¢ÚʵÑéÊÒÓøßÃÌËá¼ØÖÆÈ¡ÑõÆøµÄ»¯Ñ§·½³ÌʽΪ________£®ÊµÑéÊÒ×é×°Ò»Ì×ÓøßÃÌËá¼ØÖÆÑõÆøµÄ·¢Éú×°Ö㬳ýa¡¢bÁ½ÖÖÒÇÆ÷Í⣬»¹ÐèÒªµÄÒÇÆ÷ÓÐ(ÌîÐòºÅ)________£¬×éװʱÊԹܿÚÓ¦________£®

(3)

ijͬѧÔÚ×öÍê¡°ÑõÆøµÄÖÆÈ¡ºÍ»¹Ô­Ñõ»¯Í­¡±µÄʵÑéºó£¬·ÏÒº¸×ÖÐÊ¢ÓÐZnSO4¡¢H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒº£®Îª·ÀÖ¹·ÏÒºÎÛȾ»·¾³£¬Í¬Ê±»ØÊÕÍ­£¬ÏÖ¶Ô·ÏÒº½øÐÐÈçÏ´¦Àí£ºÏò·ÏÒºÖмÓÈë¹ýÁ¿Ìúм²¢¹ýÂË£¬µÃµ½¹ÌÌåAºÍÂËÒºB£¬È»ºó½«¹ÌÌåA¼ÓÈëµ½×ãÁ¿µÄÏ¡ÁòËáÖУ¬¹ýÂ˵õ½Í­£®¸ù¾ÝÒÔÉÏת»¯¹Øϵ£¬ÇëÓÃÎïÖÊÃû³Æ»Ø´ð£º¹ÌÌåAÖÐÒ»¶¨º¬ÓÐ________£»ÂËÒºBÖÐÒ»¶¨º¬ÓÐ________£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÊÔ¹ÜÊÇ»¯Ñ§ÊÔÑéÖÐ×î³£ÓõÄÒÇÆ÷£®
£¨1£©¸øÊÔ¹ÜÀïµÄÒºÌå¼ÓÈÈʱ£¬ÒºÌåÌå»ý²»Ò˳¬¹ýÊÔ¹ÜÈÝ»ýµÄ________£®
£¨2£©ÏÖÓÐÏÂÁÐÒÇÆ÷£®

¢ÙÈôÒª×é×°Ò»Ì×ʵÑéÊÒÖÆÈ¡ÇâÆøµÄ¼òÒ××°Ö㬲»ÐèÒªÓõ½µÄÒÇÆ÷ÓУ¨ÌîÐòºÅ£©________£¬ÔÚÊÕ¼¯ÇâÆøʱ£¬ÒÇÆ÷eµÄ¿ª¿ÚÓ¦¸ÃÏò________£®
¢ÚʵÑéÊÒÓøßÃÌËá¼ØÖÆÈ¡ÑõÆøµÄ»¯Ñ§·½³ÌʽΪ________£®ÊµÑéÊÒ×é×°Ò»Ì×ÓøßÃÌËá¼ØÖÆÑõÆøµÄ·¢Éú×°Ö㬳ýa¡¢bÁ½ÖÖÒÇÆ÷Í⣬»¹ÐèÒªµÄÒÇÆ÷ÓУ¨ÌîÐòºÅ£©________£¬×éװʱÊԹܿÚÓ¦________£®
£¨3£©Ä³Í¬Ñ§ÔÚ×öÍê¡°ÇâÆøµÄÖÆÈ¡ºÍ»¹Ô­Ñõ»¯Í­¡±µÄʵÑéºó£¬·ÏÒº¸×ÖÐÊ¢ÓÐZnSO4¡¢H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒº£®Îª·ÀÖ¹·ÏÒºÎÛȾ»·¾³£¬Í¬Ê±»ØÊÕÍ­£®ÏÖ¶Ô·ÏÒº½øÐÐÈçÏ´¦Àí£ºÏò·ÏÒºÖмÓÈë¹ýÁ¿Ìúм²¢¹ýÂË£¬µÃµ½¹ÌÌåAºÍÂËÒºB£¬È»ºó½«¹ÌÌåA¼ÓÈëµ½×ãÁ¿µÄÏ¡ÁòËáÖУ¬¹ýÂ˵õ½Í­£®¸ù¾ÝÒÔÉÏת»¯¹Øϵ£¬ÇëÓÃÎïÖÊÃû³Æ»Ø´ð£º¹ÌÌåAÖÐÒ»¶¨º¬ÓÐ________£»ÂËÒºBÖÐÒ»¶¨º¬ÓÐ________£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£ºÀ¥Ã÷ ÌâÐÍ£ºÎÊ´ðÌâ

ÊÔ¹ÜÊÇ»¯Ñ§ÊÔÑéÖÐ×î³£ÓõÄÒÇÆ÷£®
£¨1£©¸øÊÔ¹ÜÀïµÄÒºÌå¼ÓÈÈʱ£¬ÒºÌåÌå»ý²»Ò˳¬¹ýÊÔ¹ÜÈÝ»ýµÄ______£®
£¨2£©ÏÖÓÐÏÂÁÐÒÇÆ÷£®

¾«Ó¢¼Ò½ÌÍø

¢ÙÈôÒª×é×°Ò»Ì×ʵÑéÊÒÖÆÈ¡ÇâÆøµÄ¼òÒ××°Ö㬲»ÐèÒªÓõ½µÄÒÇÆ÷ÓУ¨ÌîÐòºÅ£©______£¬ÔÚÊÕ¼¯ÇâÆøʱ£¬ÒÇÆ÷eµÄ¿ª¿ÚÓ¦¸ÃÏò______£®
¢ÚʵÑéÊÒÓøßÃÌËá¼ØÖÆÈ¡ÑõÆøµÄ»¯Ñ§·½³ÌʽΪ______£®ÊµÑéÊÒ×é×°Ò»Ì×ÓøßÃÌËá¼ØÖÆÑõÆøµÄ·¢Éú×°Ö㬳ýa¡¢bÁ½ÖÖÒÇÆ÷Í⣬»¹ÐèÒªµÄÒÇÆ÷ÓУ¨ÌîÐòºÅ£©______£¬×éװʱÊԹܿÚÓ¦______£®
£¨3£©Ä³Í¬Ñ§ÔÚ×öÍê¡°ÇâÆøµÄÖÆÈ¡ºÍ»¹Ô­Ñõ»¯Í­¡±µÄʵÑéºó£¬·ÏÒº¸×ÖÐÊ¢ÓÐZnSO4¡¢H2SO4ºÍCuSO4µÄ»ìºÏÈÜÒº£®Îª·ÀÖ¹·ÏÒºÎÛȾ»·¾³£¬Í¬Ê±»ØÊÕÍ­£®ÏÖ¶Ô·ÏÒº½øÐÐÈçÏ´¦Àí£ºÏò·ÏÒºÖмÓÈë¹ýÁ¿Ìúм²¢¹ýÂË£¬µÃµ½¹ÌÌåAºÍÂËÒºB£¬È»ºó½«¹ÌÌåA¼ÓÈëµ½×ãÁ¿µÄÏ¡ÁòËáÖУ¬¹ýÂ˵õ½Í­£®¸ù¾ÝÒÔÉÏת»¯¹Øϵ£¬ÇëÓÃÎïÖÊÃû³Æ»Ø´ð£º¹ÌÌåAÖÐÒ»¶¨º¬ÓÐ______£»ÂËÒºBÖÐÒ»¶¨º¬ÓÐ______£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸