ij¹¤³§»¯ÑéÊÒÓÃ15%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÏ´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄÇâÑõ»¯ÄÆÈÜÒº40¿Ë£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£®
£¨1£©ÈôÅäÖÆËùÓÃÇâÑõ»¯ÄÆÈÜÒº480¿Ë£¬ÔòÐèÈçͼ±êÇ©ËùʾµÄÇâÑõ»¯ÄÆÖÊÁ¿Îª______g£»
£¨2£©·¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ______£»
£¨3£©ÇóÕâÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖвÐÓàÁòËáÖÊÁ¿£¨X£©µÄ±ÈÀýʽΪ______£»
£¨4£©Èô¸ÄÓÃͬÑùÈÜÖÊÖÊÁ¿·ÖÊýµÄÇâÑõ»¯¼ØÈÜҺȥǡºÃÖк͸ÃÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬÐèÏûºÄÇâÑõ»¯¼ØÈÜÒºÖÊÁ¿Îª______g£»
£¨5£©ÖкÍͬÑùÖÊÁ¿µÄÁòËᣬÐèÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼ØµÄÖÊÁ¿±ÈΪ______£®

½â£º£¨1£©ËùÓÃ15%ÇâÑõ»¯ÄÆÈÜÒº480gÈÜÒºÐèÒªº¬ÇâÑõ»¯ÄÆ96%µÄÇâÑõ»¯ÄƵÄÖÊÁ¿=480g¡Á15%¡Â96%=75g£»
£¨2£©ÇâÑõ»¯ÄÆÓëÁòËá·´Ó¦Éú³ÉÁòËáÄƺÍË®£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ2NaOH+H2SO4=Na2SO4+2H2O£»
£¨3£©¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬Ò»¶¨Á¿Ê¯ÓͲúÆ·ÖвÐÓàÁòËáÖÊÁ¿£¨X£©ÓëËùÓÃÇâÑõ»¯ÄƵĹØϵΪ
H2SO4+2NaOH=Na2SO4+2H2O
98 80
x 40g¡Á15%

x=7.35g
£¨4£©ÉèÐèÏûºÄÇâÑõ»¯¼ØÈÜÒºÖÊÁ¿Îªy
H2SO4+2KOH=K2SO4+2H2O
98 112
7.35g y¡Á15%
=
y=56g
£¨5£©ÖкÍͬÑùÖÊÁ¿µÄÁòËᣬÐèÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼ØµÄÖÊÁ¿±È=£¨40g¡Á15%£©£º£¨56g¡Á15%£©=5£º7

¹Ê´ð°¸Îª£º
£¨1£©75£»
£¨2£©H2SO4+2NaOH=Na2SO4+2H2O£»
£¨3£©£»
£¨4£©56£»
£¨5£©5£º7£®
·ÖÎö£º£¨1£©ÀûÓÃÈÜÖÊÖÊÁ¿=ÈÜÒºÖÊÁ¿¡ÁÈÜÒºÖÐÈÜÖÊÖÊÁ¿·ÖÊý¼ÆËãÅäÖÆËùÓÃ15%ÇâÑõ»¯ÄÆÈÜÒº480¿ËÐèÒªÇâÑõ»¯ÄƵÄÖÊÁ¿£¬ÔÙÓɱêÇ©Öд¿¶È£¬¼ÆËãÐèÈçͼ±êÇ©ËùʾµÄÇâÑõ»¯ÄÆÖÊÁ¿£»
£¨2£©¸ù¾ÝÇâÑõ»¯ÄÆÓëÁòËáÄÜ·¢ÉúÖкͷ´Ó¦£¬Ð´³ö·´Ó¦µÄ»¯Ñ§·½³Ìʽ£»
£¨3£©¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉ·´Ó¦ÖÐÁòËáÓëÇâÑõ»¯ÄƵÄÖÊÁ¿¹Øϵ£¬Áгö¼ÆËãÕâÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖвÐÓàÁòËáÖÊÁ¿£¨X£©µÄ±ÈÀýʽ£»
£¨4£©¸ù¾ÝÇâÑõ»¯¼ØÓëÁòËá·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉÇ¡ºÃÖк͸ÃÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¼ÆËãÐèÏûºÄÇâÑõ»¯¼ØÈÜÒºÖÊÁ¿£»
£¨5£©¸ù¾ÝÒÔÉϼÆËãËùÐèÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼ØÖÊÁ¿£¬Çó³öÖкÍͬÑùÖÊÁ¿µÄÁòËᣬÐèÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼ØµÄÖÊÁ¿±È£®
µãÆÀ£ºËäÈ»ÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼Ø¶¼¿ÉÒÔÖкÍÁòËᣬµ«ÓÉÓÚÁ½ÎïÖÊÏà¶ÔÖÊÁ¿µÄ²îÒ죬ÔÚÖкÍͬÑùÖÊÁ¿µÄÁòËáʱ£¬ËùÏûºÄÇâÑõ»¯¼ØµÄÖÊÁ¿Òª´óÓÚÇâÑõ»¯ÄƵÄÖÊÁ¿ºÜ¶à£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøij¹¤³§»¯ÑéÊÒÓÃ15%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄÇâÑõ»¯ÄÆÈÜÒº40¿Ë£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£®
£¨1£©ÈôÅäÖÆËùÓÃÇâÑõ»¯ÄÆÈÜÒº480¿Ë£¬ÔòÐèÈçͼ±êÇ©ËùʾµÄÇâÑõ»¯ÄÆÖÊÁ¿Îª
 
g£»
£¨2£©·¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ
 
£»
£¨3£©ÇóÕâÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖвÐÓàÁòËáÖÊÁ¿£¨X£©µÄ±ÈÀýʽΪ
 
£»
£¨4£©Èô¸ÄÓÃͬÑùÈÜÖÊÖÊÁ¿·ÖÊýµÄÇâÑõ»¯¼ØÈÜҺȥǡºÃÖк͸ÃÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬÐèÏûºÄÇâÑõ»¯¼ØÈÜÒºÖÊÁ¿Îª
 
g£»
£¨5£©ÖкÍͬÑùÖÊÁ¿µÄÁòËᣬÐèÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼ØµÄÖÊÁ¿±ÈΪ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÇâÑõ»¯ÄÆÊÇÒ»ÖÖÖØÒªµÄ»¯¹¤Ô­ÁÏ£¬¾ßÓй㷺µÄÓ¦Ó㬻شðÏÂÁÐÎÊÌ⣺
£¨1£©ÍùÇâÑõ»¯ÄÆÈÜÒºÖÐÖðµÎ¼ÓÏ¡ÑÎËáÖÁ¹ýÁ¿£¬´ËʱÈÜÒºÖеÄÈÜÖʳýÂÈ»¯ÄÆÍ⻹ÓÐ
ÂÈ»¯Çâ
ÂÈ»¯Çâ
£®
£¨2£©³¨¿Ú·ÅÖõÄÇâÑõ»¯ÄÆÈÜÒºÈÝÒ×±äÖÊ£¬Ö¤Ã÷Æä±äÖʵķ½·¨ÊÇ£ºÓøɾ»µÄÊÔ¹ÜÈ¡ÉÙÁ¿³¨¿Ú·ÅÖõÄÇâÑõ»¯ÄÆÈÜÒº£¬ÔÙ¼ÓÈëÊÊÁ¿µÄ
Ï¡ÑÎËá
Ï¡ÑÎËá
£¬Èô¹Û²ìµ½
ÓÐÆøÅݲúÉú
ÓÐÆøÅݲúÉú
£¬Ôò¸ÃÈÜÒºÒѾ­±äÖÊ£®
£¨3£©º½ÌìÔ±´©µÄ²ÕÍâ·þÄÚº¬ÓÐÓëÇâÑõ»¯ÄÆÐÔÖÊÏàËƵÄÇâÑõ»¯ï®£¨LiOH£©£¬Ëü¿ÉÄܾßÓеĻ¯Ñ§ÐÔÖÊÊÇ
ABD
ABD
£®
A£®Óë¶þÑõ»¯Ì¼·´Ó¦                     B£®ÓëÑÎËá·´Ó¦
C£®ÓëÑõ»¯Í­·´Ó¦                       D£®ÓëÂÈ»¯Í­ÈÜÒº·´Ó¦
£¨4£©Ä³¹¤³§»¯ÑéÊÒÓÃ15%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄ40gÇâÑõ»¯ÄÆÈÜÒº£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£¬ÕâÒ»¶¨Á¿Ê¯ÓͲúÆ·Öк¬ÁòËá
7.35
7.35
g£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2010?ÌìºÓÇøÄ£Ä⣩½ñÄêÎÒУ¶ÁÊé½ÚµÄÖ÷ÌâÊÇ¡°³«µ¼µÍ̼Éú»î£¬¼ùÐнÚÄܼõÅÅ¡±£®ÇëÄã»Ø´ð£º
£¨1£©½üÄêÀ´´óÆøÖжþÑõ»¯Ì¼º¬Á¿²»¶ÏÉÏÉýµÄÔ­ÒòÊÇ
»¯Ê¯È¼ÁϵĴóÁ¿Ê¹ÓÃ
»¯Ê¯È¼ÁϵĴóÁ¿Ê¹ÓÃ
£¬×ÔÈ»½çÖÐÏûºÄ¶þÑõ»¯Ì¼µÄÖ÷Ҫ;¾¶ÊÇ
Ö²ÎïµÄ¹âºÏ×÷ÓÃ
Ö²ÎïµÄ¹âºÏ×÷ÓÃ
£®
£¨2£©¿Æѧ¼ÒÕýÔÚÑо¿½«¶þÑõ»¯Ì¼×ª»¯Îª¼×Íé¡¢¼×´¼£¨CH3OH£©¡¢¼×ËᣨHCOOH£©µÈ»¯¹¤Ô­ÁÏ£¬ÕâЩ»¯¹¤Ô­ÁÏÊôÓÚ
ÓлúÎï
ÓлúÎï
£¨Ìî¡°ÎÞ»úÎ»ò¡°ÓлúÎ£©£®
£¨3£©ÏÂÁÐ×ö·¨·ûºÏ¡°µÍ̼¾­¼Ã¡±ÀíÄîµÄÊÇ
ACD
ACD
£®
A£®¸ÄÔì»òÌÔÌ­¸ßºÄÄÜ¡¢¸ßÎÛȾ²úÒµ
B£®´óÁ¦·¢Õ¹»ðµç
C£®Ñо¿ºÍ·¢ÐÂÄÜÔ´Ìæ´ú´«Í³ÄÜÔ´
D£®ÓÅ»¯½¨ÖþÉè¼Æ£¬ÔöÇ¿ÊÒÄÚ×ÔÈ»²É¹â£¬¼õÉÙÕÕÃ÷Óõç
£¨4£©ÇëÄãÁí¾ÙÒ»ÀýÉú»îÖзûºÏ¡°¼õÉÙ̼ÅÅ·Å¡±µÄ×ö·¨
³öÞ¡Á¿×ø¹«½»³µ
³öÞ¡Á¿×ø¹«½»³µ
£®
£¨5£©Éú²úʯÓͲúÆ·¹ý³ÌÖУ¬Í¨³£»áÓÐÁòËá²ÐÓ࣬ij¹¤³§»¯ÑéÊÒÓÃ15%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÁòËᣬ¹²ÏûºÄÇâÑõ»¯ÄÆÈÜÒº40g£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£¬Çëд³ö¸Ã·´Ó¦µÄ»¯Ñ§·½Ê½
2NaOH+H2SO4=Na2SO4+2H2O
2NaOH+H2SO4=Na2SO4+2H2O
£®ÇâÑõ»¯ÄƵÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª
40
40
£¬ÇâÑõ»¯ÄÆÈÜÒºÖк¬ÓÐÖк¬ÄÆÔªËØ
3.45
3.45
g£®ÕâЩÇâÑõ»¯ÄÆ¿ÉÒÔÖкʹ¦Àí
73.5
73.5
¿ËÈÜÖÊÖÊÁ¿·ÖÊýΪ10%µÄÁòËáÎÛË®£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2010Äê¹ã¶«Ê¡¹ãÖÝÊлªÊ¦¸½ÖÐËÄУÁª¿¼»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

½ñÄêÎÒУ¶ÁÊé½ÚµÄÖ÷ÌâÊÇ¡°³«µ¼µÍ̼Éú»î£¬¼ùÐнÚÄܼõÅÅ¡±£®ÇëÄã»Ø´ð£º
£¨1£©½üÄêÀ´´óÆøÖжþÑõ»¯Ì¼º¬Á¿²»¶ÏÉÏÉýµÄÔ­ÒòÊÇ    £¬×ÔÈ»½çÖÐÏûºÄ¶þÑõ»¯Ì¼µÄÖ÷Ҫ;¾¶ÊÇ    £®
£¨2£©¿Æѧ¼ÒÕýÔÚÑо¿½«¶þÑõ»¯Ì¼×ª»¯Îª¼×Íé¡¢¼×´¼£¨CH3OH£©¡¢¼×ËᣨHCOOH£©µÈ»¯¹¤Ô­ÁÏ£¬ÕâЩ»¯¹¤Ô­ÁÏÊôÓÚ    £¨Ìî¡°ÎÞ»úÎ»ò¡°ÓлúÎ£©£®
£¨3£©ÏÂÁÐ×ö·¨·ûºÏ¡°µÍ̼¾­¼Ã¡±ÀíÄîµÄÊÇ    £®
A£®¸ÄÔì»òÌÔÌ­¸ßºÄÄÜ¡¢¸ßÎÛȾ²úÒµ
B£®´óÁ¦·¢Õ¹»ðµç
C£®Ñо¿ºÍ·¢ÐÂÄÜÔ´Ìæ´ú´«Í³ÄÜÔ´
D£®ÓÅ»¯½¨ÖþÉè¼Æ£¬ÔöÇ¿ÊÒÄÚ×ÔÈ»²É¹â£¬¼õÉÙÕÕÃ÷Óõç
£¨4£©ÇëÄãÁí¾ÙÒ»ÀýÉú»îÖзûºÏ¡°¼õÉÙ̼ÅÅ·Å¡±µÄ×ö·¨    £®
£¨5£©Éú²úʯÓͲúÆ·¹ý³ÌÖУ¬Í¨³£»áÓÐÁòËá²ÐÓ࣬ij¹¤³§»¯ÑéÊÒÓÃ15%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÁòËᣬ¹²ÏûºÄÇâÑõ»¯ÄÆÈÜÒº40g£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£¬Çëд³ö¸Ã·´Ó¦µÄ»¯Ñ§·½Ê½    £®ÇâÑõ»¯ÄƵÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª    £¬ÇâÑõ»¯ÄÆÈÜÒºÖк¬ÓÐÖк¬ÄÆÔªËØ    g£®ÕâЩÇâÑõ»¯ÄÆ¿ÉÒÔÖкʹ¦Àí    ¿ËÈÜÖÊÖÊÁ¿·ÖÊýΪ10%µÄÁòËáÎÛË®£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2011ÄêºÚÁú½­Ê¡¹þ¶û±õÊÐÖп¼»¯Ñ§Ä£ÄâÊÔ¾í£¨Ò»£©£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ij¹¤³§»¯ÑéÊÒÓÃ15%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÏ´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄÇâÑõ»¯ÄÆÈÜÒº40¿Ë£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£®
£¨1£©ÈôÅäÖÆËùÓÃÇâÑõ»¯ÄÆÈÜÒº480¿Ë£¬ÔòÐèÈçͼ±êÇ©ËùʾµÄÇâÑõ»¯ÄÆÖÊÁ¿Îªg£»
£¨2£©·¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ£»
£¨3£©ÇóÕâÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖвÐÓàÁòËáÖÊÁ¿£¨X£©µÄ±ÈÀýʽΪ£»
£¨4£©Èô¸ÄÓÃͬÑùÈÜÖÊÖÊÁ¿·ÖÊýµÄÇâÑõ»¯¼ØÈÜҺȥǡºÃÖк͸ÃÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬÐèÏûºÄÇâÑõ»¯¼ØÈÜÒºÖÊÁ¿Îªg£»
£¨5£©ÖкÍͬÑùÖÊÁ¿µÄÁòËᣬÐèÇâÑõ»¯ÄÆ¡¢ÇâÑõ»¯¼ØµÄÖÊÁ¿±ÈΪ£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸