2005Äê1ÔÂ1ÈÕÆ𣬸÷µØ»·±£²¿ÃŽ«¶ÔʵÑéÊÒÀàÎÛȾʵʩÑϸñµÄ»·¾³¼à¹Ü£®Ä³Ð£ÊµÑéÊÒÀïÓÐ50kgÇâÑõ»¯ÄÆ·ÏÒº£¬¸ÃУÓÃij»¯¹¤³§·ÏÆúµÄÏ¡ÁòËáÀ´ÖкͺóÅÅ·Å£®µ±²âµÃÈÜÒºpH=7ʱ£¬ÖкͺóÈÜÒºµÄ×ÜÖÊÁ¿Îª100kg£¬²âµÃ·´Ó¦ºóµÄÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ7.1%£¬Çó£º
£¨1£©·´Ó¦Éú³ÉµÄÁòËáÄƵÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©ËùÓõÄÏ¡ÁòËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ¶àÉÙ£¿
£¨3£©¸ÃУʵÑéÊÒµÄÇâÑõ»¯ÄÆ·ÏÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿
£¨1£©100kg¡Á7.1%=7.1kg£»
£¨2£©Éè²ÎÓë·´Ó¦µÄH2SO4µÄÖÊÁ¿Îªx£¬²ÎÓë·´Ó¦µÄNaOHµÄÖÊÁ¿Îªy£¬
2NaOH+H2SO4=Na2SO4+2H2O
80    98    142
y     x     7.1kg
¡à98£º142=x£º7.1kg£¬80£º142=y£º7.1kg£¬
½âÖ®µÃ£ºx=4.9kg£¬y=4kg£¬
4.9kg
100kg-50kg
¡Á100%
=9.8%£»
£¨3£©
4kg
50kg
¡Á 100%
=8%£®
´ð£º£¨1£©·´Ó¦Éú³ÉµÄÁòËáÄƵÄÖÊÁ¿ÊÇ7.1kg£»
£¨2£©ËùÓõÄÏ¡ÁòËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ9.8%£»
£¨3£©¸ÃУʵÑéÊÒµÄÇâÑõ»¯ÄÆ·ÏÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊÇ8%£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

2005Äê1ÔÂ1ÈÕÆ𣬸÷µØ»·±£²¿ÃÅ¿ªÊ¼¶ÔʵÑéÊÒÀàÎÛȾʵʩÑϸñµÄ»·¾³¼à¹Ü£®Ä³Ð£ÊµÑéÊÒÀïÓк¬ÇâÑõ»¯ÄƺÍ̼ËáÄƵĻìºÏ·ÏÒº10.22 kg£¬¸ÃУÓÃij»¯¹¤³§·ÏÆúµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ14.7%µÄÏ¡ÁòËáÀ´´¦Àí£¬²¢»ØÊÕ´¦ÀíºóµÄÈÜÒº£®µ±Ïò»ìºÏ·ÏÒºÖмÓÈë10 kgÏ¡ÁòËáʱ£¬²âµÃÈÜÒºµÄpH=7£¬´ËʱÈÜÒº×ÜÖÊÁ¿Îª20 kg£®
£¨1£©Ô­»ìºÏ·ÏÒºÖÐ̼ËáÄƵÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©´¦ÀíºóµÄÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýÊǶàÉÙ£¿
£¨3£©¸ø»ØÊÕµÄÈÜÒºÌù±êǩʱ£¬Ó¦ÈçºÎ±êÃ÷£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

22¡¢¾Ý±¨µÀ£¬´Ó2005Äê1ÔÂ1ÈÕÆ𣬹óÖÝÊ¡¸÷µØ»·±£²¿ÃŽ«¶ÔʵÑéÊÒÀàÎÛȾʵʩÑϸñµÄ»·¾³¼à¹Ü£®ÓÉÓÚѧУ»¯Ñ§ÊµÑéÊÒÒªÅŷųɷָ´ÔÓµÄÎÛȾÎËùÒÔÒ²±»ÁÐΪ»·¾³¼à¹Ü·¶Î§£®Ä³Ð£»¯Ñ§ÐËȤС×éµÄͬѧÔÚ¼×ʵÑéÊÒÖнøÐÐÁËÑõÆø·Ö±ðÓë̼¡¢Áò¡¢Ìú·´Ó¦µÄʵÑéºó£¬ÎªÁ˽â¸ÃʵÑé²úÉúµÄÆøÌå¶Ô¿ÕÆø³É·ÖÔì³ÉµÄÓ°Ï죬½Ó×ÅÉè¼ÆÁËÈçÏÂʵÑé×°ÖýøÐÐʵÑ飨ͼÖжà¿×ÇòÅݵÄ×÷ÓÃÊÇ£ºÔö´óÆøÌåÓëÈÜÒºµÄ½Ó´¥Ãæ»ý£¬Ê¹·´Ó¦³ä·Ö½øÐУ©£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÊµÑéÔÚûÓÐÊÜÎÛȾµÄÒÒʵÑéÊÒÖнøÐУ¬È¡³öÊÊÁ¿¼×ʵÑéÊÒÖпÕÆøÑùÆ·µÄ·½·¨ÊÇ
ÓÃ×¢ÉäÆ÷³éÈ¡
£®
£¨2£©½«È¡µÃµÄ¿ÕÆøÑùÆ·°´ÉÏͼËùʾµÄ×°ÖýøÐÐʵÑé²â¶¨£º×°ÖÃAµÄ×÷ÓÃÊÇ
ÎüÊÕÆøÌåÑùÆ·ÖеĶþÑõ»¯Ì¼ºÍ¶þÑõ»¯Áò
£¬ÆäÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
2NaOH+CO2=Na2CO3+H2O£»2NaOH+SO2=Na2SO3+H2O
×°ÖÃBÖеÄÏÖÏóÊÇ
Ë®ÑØ×ŵ¼¹Ü½øÈËCÖÐ
£»×°ÖÃCµÄ×÷ÓÃÊÇ
²âÁ¿¶þÑõ»¯Ì¼ºÍ¶þÑõ»¯Áò±»ÎüÊÕºóÊ£ÓàÆøÌåµÄ´ÖÂÔÌå»ý
£®
£¨3£©ÈôͨÈë¿ÕÆøÑùÆ·100mL£¬ÊµÑé½áÊøºó£¬Á¿Í²ÖÐÒºÌåµÄÌå»ýΪ99mL£¨µ¼¹ÜÄÚÒºÌåºöÂÔ²»¼Æ£©£¬ËµÃ÷×°ÖÃ
A
ÖÐÎüÊÕÁË1mLÆøÌ壮ÈôÕâЩÆøÌå´óÁ¿Åŷŵ½¿ÕÆøÖУ¬Òò²úÉú
ËáÓêºÍÎÂÊÒЧӦ
£¬»á¶Ô»·¾³Ôì³É²»ÀûÓ°Ï죮
£¨4£©Çëд³öÄãÔÚ×ö»¯Ñ§ÊµÑéʱ£¬¼õÉÙʵÑé¶Ô»·¾³ÎÛȾµÄÒ»ÖÖ×ö·¨£º
¿ØÖÆʵÑéÒ©Æ·ÓÃÁ¿
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

2005Äê1ÔÂ1ÈÕÆ𣬸÷µØ»·±£²¿ÃŽ«¶ÔʵÑéÊÒÀàÎÛȾʵʩÑϸñµÄ»·¾³¼à¹Ü£®Ä³Ð£ÊµÑéÊÒÀïÓÐ50kgÇâÑõ»¯ÄÆ·ÏÒº£¬¸ÃУÓÃij»¯¹¤³§·ÏÆúµÄÏ¡ÁòËáÀ´ÖкͺóÅÅ·Å£®µ±²âµÃÈÜÒºpH=7ʱ£¬ÖкͺóÈÜÒºµÄ×ÜÖÊÁ¿Îª100kg£¬²âµÃ·´Ó¦ºóµÄÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ7.1%£¬Çó£º
£¨1£©·´Ó¦Éú³ÉµÄÁòËáÄƵÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©ËùÓõÄÏ¡ÁòËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ¶àÉÙ£¿
£¨3£©¸ÃУʵÑéÊÒµÄÇâÑõ»¯ÄÆ·ÏÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2006?ÆÜϼÇø¶þÄ££©¶þÑõ»¯ÁòÊÇ´óÆøÎÛȾÎïÖ®Ò»£¬±íһΪÎÒ¹ú»·¾³¿ÕÆøÖÊÁ¿±ê×¼ÖжÔÿ´Î¿ÕÆøÖÊÁ¿²â¶¨ÖеÄS02×î¸ßŨ¶ÈÏÞÖµ£®

S02×î¸ßŨ¶ÈÏÞÖµ£¨µ¥Î»mg?m-3£©
Ò»¼¶±ê×¼ ¶þ¼¶±ê×¼ Èý¼¶±ê×¼
0.15 0.50 0.70
¹ú¼Ò»·±£×ֹܾ涨´Ó2005Äê1ÔÂ1ÈÕÆ𽫸÷ÀàʵÑéÊÒÄÉÈë»·±£¼à¹Ü·¶Î§£®Îª´ÖÂԵزⶨÖÜΧ»·¾³ÖеÄSO2º¬Á¿£¬Ä³¿ÎÍâ»î¶¯Ð¡×éÉè¼ÆÁËÈçÏÂͼµÄʵÑé×°Öã®
£¨1£©¼ì²é×°ÖõÄÆøÃÜÐÔʱ£¬ÏÈÔÚÊÔ¹ÜÖÐ×°ÈëÊÊÁ¿µÄË®£¨±£Ö¤²£Á§µ¼¹ÜµÄ϶˽þûÔÚË®ÖУ©£¬È»ºóÏòÍâÇáÇáÀ­¶¯×¢ÉäÆ÷µÄ»îÈûʱ£¬½«»á¿´µ½
½þûÔÚË®ÖеIJ£Á§µ¼¹Ü¿ÚÓÐÆøÅÝð³ö
½þûÔÚË®ÖеIJ£Á§µ¼¹Ü¿ÚÓÐÆøÅÝð³ö
 £¨ÌîдʵÑéÏÖÏ󣩣¬ÔòÖ¤Ã÷¸Ã×°ÖõÄÆøÃÜÐÔÁ¼ºÃ£®
£¨2£©ÒÑÖª¶þÑõ»¯ÁòÓëµâË®µÄ·´Ó¦Îª£ºSO2+I2+2H2O¨TH2SO4+2HI£®ÏòÊÔ¹ÜÖмÓÈë1.0mLÈÜÖÊÖÊÁ¿·ÖÊýΪ1.27¡Á10-4µÄµâË®£¨ ´ËʱÈÜÒºµÄÃܶÈÓëË®µÄÃܶȽüËÆ £©£¬ÓÃÊÊÁ¿µÄÕôÁóˮϡÊͺóÔÙ¼ÓÈë2¡«3µÎÎÞÉ«µí·ÛÈÜÒº£¨Óöµ½µâµ¥ÖʱäÀ¶É«£©£¬ÅäÖƳÉÈÜÒºA£®²â¶¨Ö¸¶¨µØµãµÄ¿ÕÆøÖÐSO2µÄº¬Á¿Ê±£¬ÍÆÀ­×¢ÉäÆ÷µÄ»îÈû·´¸´³éÆø£¬AÈÜÒºÓÉ
˦
˦
É«±äΪ
ÎÞ
ÎÞ
ɫʱ·´Ó¦Ç¡ºÃÍêÈ«½øÐУ®
£¨3£©¿ÎÍâ»î¶¯Ð¡×é·Ö³ÉµÚһС×éºÍµÚ¶þС×飬ʹÓÃÏàͬµÄʵÑé×°ÖúÍÈÜÒºA£¬·Ö±ð²âÁ¿»¯Ñ§ÊµÑéÊҺͽÌÊҵĿÕÆøÖеÄS02º¬Á¿£®µ±·´Ó¦Ç¡ºÃÍêÈ«½øÐУ¬¼Ç¼³éÆø´ÎÊýÈçÏ£¨¼ÙÉèÿ´Î³éÆø500mL£©£®Ç뽫±í¶þÌîдÍêÕû£¨¼ÆËãʱ±£Áô¶þλÓÐЧÊý×Ö£©£®£¨I-127  S-32  O-16£©
±í¶þ  ²»Í¬×é±ðµÄ²âÁ¿Öµ
 ×é  ±ð µÚһС×飨ʵÑéÊÒ£© µÚ¶þС×飨½ÌÊÒ£©
³éÆø´ÎÊý 110 150
¿ÕÆøÖÐS02µÄº¬Á¿£¨µ¥Î»£ºmg?m-3£©
£¨4£©Í¨¹ý²â¶¨²¢¼ÆË㣬ÄãÅжϳöËù²â»¯Ñ§ÊµÑéÊҵĿÕÆøÖÐS02µÄº¬Á¿ÊôÓÚ
Èý¼¶
Èý¼¶
±ê×¼£¨Ìî±íÒ»ÖÐËùÁоٵĵȼ¶£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

¾«Ó¢¼Ò½ÌÍøA£®Ä³ÕòÓÐ×ùÁòË᳧£¬É豸¼òª£¬¼¼Êõ³Â¾É£¬¸Ã³§Ã¿ÌìÅÅ·Å´óÁ¿º¬SO2µÄ·ÏÆøºÍº¬H2SO4µÄËáÐÔ·ÏË®£®µ±µØµÄÆäËû¹¤³§ºÍ¾ÓÃñ¾ùÓÃú̿×÷ȼÁÏ£®Ö»ÒªÏÂÓê¾ÍÏÂËáÓ꣬¶Ô¸ÃÕò»·¾³Ôì³É¼«´óÆÆ»µ£®
£¨1£©·ÖÎö¸ÃÕòÏÂËáÓêµÄÔ­Òò£º
 
£»
£¨2£©¾ÙÒ»Àý˵Ã÷ËáÓê¶Ô»·¾³Ôì³ÉµÄΣº¦£º
 
£»
£¨3£©¶þÑõ»¯ÁòÊÇ´óÆøÎÛȾÎÈÜÓÚË®ËùµÃÈÜÒºµÄpH
 
7£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©£»¶þÑõ»¯ÁòÆøÌå¿ÉÓÃÇâÑõ»¯ÄÆÈÜÒºÀ´ÎüÊÕ£¬Çëд³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º
 
£»
£¨4£©¸ÃÕòijÖÐѧ»·±£Ð¡×éÌá³öÁËÖÎÀíËáÓêµÄÏÂÁдëÊ©£¬ÄãÈÏΪÆäÖв»Í×µÄÊÇ
 

A£®½«ÁòË᳧°áÀë¸ÃÕò
B£®½¨Òé»·±£²¿ÃÅÏÂÁîÕû¸Ä
C£®½«ÁòË᳧ÅųöµÄ·ÏÆøÖеÄSO2´¦ÀíºóÅÅ·Å
D£®¹¤³§ºÍ¾ÓÃñ¸ÄÓýÏÇå½àµÄȼÁÏ
£¨5£©¿ÉÓÃÊìʯ»ÒÀ´´¦ÀíÁòË᳧ÅųöµÄËáÐÔ·ÏË®£¬´¦ÀíÔ­ÀíµÄ»¯Ñ§·½³ÌʽÊÇ
 
£»
£¨6£©Å¨ÁòËáŪµ½ÊÖÉϺóÓ¦Á¢¼´ÓÃË®³åÏ´£¬È»ºóÍ¿ÉÏ̼ËáÇâÄÆ£®ÈôÊÇÏ¡ÁòËáŪµ½ÊÖÉÏ£¬
 
£¨Ìî¡°ÐèÒª¡±»ò¡°²»ÐèÒª¡±£©ÕâÑù×ö£¬ÀíÓÉÊÇ
 
£®
B£®¾Ý±¨µÀ£¬´Ó2005Äê1ÔÂ1ÈÕÆ𣬹óÖÝÊ¡¸÷µØ»·±£²¿ÃŽ«¶ÔʵÑéÊÒÀàÎÛȾʵʩÑϸñµÄ»·¾³¼à¹Ü£®ÓÉÓÚѧУ»¯Ñ§ÊµÑéÊÒÒªÅŷųɷָ´ÔÓµÄÎÛȾÎËùÒÔÒ²±»ÁÐΪ»·¾³¼à¹Ü·¶Î§£®Ä³Ð£»¯Ñ§ÐËȤС×éµÄͬѧÔÚ¼×ʵÑéÊÒÖнøÐÐÁËÑõÆø·Ö±ðÓë̼¡¢Áò¡¢Ìú·´Ó¦µÄʵÑéºó£¬ÎªÁ˽â¸ÃʵÑé²úÉúµÄÆøÌå¶Ô¿ÕÆø³É·ÖÔì³ÉµÄÓ°Ï죬½Ó×ÅÉè¼ÆÁËÈçÏÂʵÑé×°ÖýøÐÐʵÑ飨ͼÖжà¿×ÇòÅݵÄ×÷ÓÃÊÇ£ºÔö´óÆøÌåÓëÈÜÒºµÄ½Ó´¥Ãæ»ý£¬Ê¹·´Ó¦³ä·Ö½øÐУ©£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÊµÑéÔÚûÓÐÊÜÎÛȾµÄÒÒʵÑéÊÒÖнøÐУ¬È¡³öÊÊÁ¿¼×ʵÑéÊÒÖпÕÆøÑùÆ·µÄ·½·¨ÊÇ
 
£»
£¨2£©½«È¡µÃµÄ¿ÕÆøÑùÆ·°´ÈçͼËùʾµÄ×°ÖýøÐÐʵÑé²â¶¨£º×°ÖÃAµÄ×÷ÓÃÊÇ
 
£¬ÆäÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
£»×°ÖÃBÖеÄÏÖÏóÊÇ
 
£»×°ÖÃCµÄ×÷ÓÃÊÇ
 
£»
£¨3£©ÈôͨÈë¿ÕÆøÑùÆ·100mL£¬ÊµÑé½áÊøºó£¬Á¿Í²ÖÐÒºÌåµÄÌå»ýΪ99mL£¨µ¼¹ÜÄÚÒºÌåºöÂÔ²»¼Æ£©£¬ËµÃ÷×°ÖÃ
 
ÖÐÎüÊÕÁË1mLÆøÌ壮ÈôÕâЩÆøÌå´óÁ¿Åŷŵ½¿ÕÆøÖУ¬Òò²úÉú
 
£¬»á¶Ô»·¾³Ôì³É²»ÀûÓ°Ï죻
£¨4£©Çëд³öÄãÔÚ×ö»¯Ñ§ÊµÑéʱ£¬¼õÉÙʵÑé¶Ô»·¾³ÎÛȾµÄÒ»ÖÖ×ö·¨£º
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸