3£®ÎïÖʵÄÁ¿Å¨¶ÈÏàͬµÄÏÂÁи÷×éÎïÖʵÄÈÜÒºÖУ¬¶ÔÖ¸¶¨Àë×ÓµÄŨ¶È×÷´óС±È½Ï£¬ÆäÖдíÎóµÄÊÇ£¨¡¡¡¡£©
A£®c£¨PO43-£©£ºNa3PO4£¾Na2HPO4£¾NaH2PO4£¾H3PO4
B£®c£¨CO32-£©£º£¨NH4£©2CO3£¾Na2CO3£¾NaHCO3£¾NH4HCO3
C£®c£¨NH4+£©£º£¨NH4£©2SO4£¾£¨NH4£©2CO3£¾NH4HSO4£¾NH4Cl
D£®c£¨S2-£©£ºNa2S£¾NaHS£¾H2S

·ÖÎö A£®µçÀëºóÈýÕßµçÀë³öµÄc£¨H+£©Öð½¥Ôö´ó£¬¶Ô²úÉúPO43-µÄµçÀëÓÐÒÖÖÆ×÷Óã»
B£®Ì¼ËáÑÎÖÐ̼Ëá¸ùÀë×ÓŨ¶È´óÓÚ̼ËáÇâ¸ùÀë×ÓŨ¶È£¬È»ºó¸ù¾ÝÑεÄË®½âÓ°ÏìÅжÏ̼Ëá¸ùÀë×ÓŨ¶È´óС£»
C£®ÒÀ¾ÝÁòËá狀Í̼Ëáï§ÖеÄ笠ùÀë×ÓŨ¶È´óÓÚËáʽÑÎÖÐ笠ùÀë×ÓŨ¶È£¬ÁòËáÇâï§ÖÐÇâÀë×ÓÒÖÖÆÁË笠ùÀë×ӵĵçÀ룻
D£®Áò»¯ÄÆÖÐÁòÀë×ÓŨ¶È×î´ó£¬Áò»¯ÇâÊǶþÔªÈõËᣬÁòÀë×ÓŨ¶È×îС£®

½â´ð ½â£ºA£®Na3PO4ÖÐÁ×Ëá¸ùÀë×ÓŨ¶È×î´ó£¬Na2HPO4¡¢NaH2PO4¡¢H3PO4µçÀë³öµÄc£¨H+£©Öð½¥Ôö´ó£¬ÇâÀë×Ó¶Ô²úÉúPO43-µÄµçÀëÓÐÒÖÖÆ×÷Óã¬ÈÜÒºÖÐÁ×Ëá¸ùÀë×ÓŨ¶È´óСΪ£ºNa3PO4£¾Na2HPO4£¾NaH2PO4£¾H3PO4£¬¹ÊAÕýÈ·£»
B£®Na2CO3×î´ó£¬Æä´ÎÊÇ£¨NH4£©2CO3£¬ÒòΪºóÕßÒª·¢ÉúË®½â£¬NaHCO3ºÍNH4HCO3ÖÐÓÉHCO3-µçÀë²úÉú£¬¶øNH4HCO3ÖÐHCO3-ºÍNH4+Ï໥´Ù½øË®½â£¬HCO3-Ũ¶È½ÏС£¬NaHCO3£¾NH4HCO3£¬¹ÊB´íÎó£»
C£®ËÄÖÖÑξùÍêÈ«µçÀ룬£¨NH4£©2SO4 ºÍ£¨NH4£©2CO3½Ï´ó£¬µ«ºóÕßµÄÒõÑôÀë×ӻᷢÉúÏ໥´Ù½øµÄË®½â£¬Ó¦Îª£¨NH4£©2SO4£¾£¨NH4£©2CO3£¬NH4HSO4ÓëNH4Cl£¬NH4HSO4 µçÀë²úÉúµÄH+¶ÔNH4+µÄË®½âÓÐÒÖÖÆ×÷Óã¬Ó¦ÎªNH4HSO4£¾NH4Cl£¬ÈÜÒºÖÐ笠ùÀë×ÓŨ¶È´óСΪ£º£¨NH4£©2SO4£¾£¨NH4£©2CO3£¾NH4HSO4£¾NH4Cl£¬¹ÊCÕýÈ·£»
D£®Na2S×î´ó£¬H2SºÍNaHSÏà±È£¬µ«Ç°ÕßÇâÀë×ÓÒÖÖÆÁËÁòÇâ¸ùÀë×ӵĵçÀ룬ÁòÀë×ÓŨ¶ÈӦΪNaHS£¾H2S£¬ÈÜÒºÖÐÁòÀë×ÓŨ¶È´óСΪ£ºNa2S£¾NaHS£¾H2S£¬¹ÊDÕýÈ·£»
¹ÊÑ¡B£®

µãÆÀ ±¾Ì⿼²éÁËÀë×ÓŨ¶È´óС±È½Ï£¬ÌâÄ¿ÄѶÈÖеȣ¬Ã÷È·ÑεÄË®½âÔ­Àí¼°ÆäÓ°ÏìΪ½â´ð¹Ø¼ü£¬×¢ÒâÕÆÎÕÈõµç½âÖʵĵçÀëƽºâ¼°ÆäÓ°Ï죬ÊÔÌâÅàÑøÁËѧÉúµÄ·ÖÎöÄÜÁ¦¼°Áé»îÓ¦ÓÃÄÜÁ¦£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

13£®ÏÂÁйØÓÚNA˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®³£Î³£Ñ¹Ï£¬11.2 L¼×ÍéÖк¬ÓеÄÇâÔ­×ÓÊýΪ2NA
B£®±ê×¼×´¿öÏ£¬0.3 mol¶þÑõ»¯Ì¼Öк¬ÓÐÑõÔ­×ÓÊýΪ0.3 NA
C£®³£ÎÂÏ£¬2.7 gÂÁÓë×ãÁ¿µÄÑÎËá·´Ó¦£¬Ê§È¥µÄµç×ÓÊý0.3 NA
D£®³£ÎÂÏ£¬0.1 mol/L MgCl2ÈÜÒºÖк¬Cl-ÊýΪ0.2 NA

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

14£®¶ÔÏÂÁÐÊÂʵµÄ½âÊÍ£¬´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®³£ÎÂÏ£¬Å¨H2SO4¿ÉÒÔÓÃÂÁ£¨»òÌú£©ÈÝÆ÷Öü´æ£¬ËµÃ÷ŨH2SO4ÓëAl£¨»òFe£©³£ÎÂϲ»·´Ó¦
B£®ÔÚÕáÌÇÖмÓÈëŨH2SO4ºó³öÏÖ·¢ºÚÏÖÏó£¬ËµÃ÷ŨH2SO4¾ßÓÐÍÑË®ÐÔ
C£®Å¨H2SO4ÄÜʹµ¨·¯ÓÉÀ¶±ä°×£¬ËµÃ÷ŨH2SO4¾ßÓÐÎüË®ÐÔ
D£®Ï¡H2SO4ÄÜÓëFe·´Ó¦²úÉúH2£¬ËµÃ÷Ï¡H2SO4Ò²ÓÐÑõ»¯ÐÔ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

11£®ÂÁ»ÒµÄ»ØÊÕÀûÓ÷½·¨ºÜ¶à£¬ÏÖÓú¬ÓÐA12O3¡¢SiO2ºÍÉÙÁ¿FeO•xFe2O3µÄÂÁ»ÒÖƱ¸A12£¨SO4£©3•18H2O£¬¹¤ÒÕÁ÷³ÌÈçͼ£º

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼ÓÈë¹ýÁ¿Ï¡H2SO4ÈܽâA12O3µÄÀë×Ó·½³ÌʽÊÇ6H++Al2O3=2Al3++3H2O£®
£¨2£©Á÷³ÌÖмÓÈëµÄKMnO4Ò²¿ÉÓÃH2O2´úÌ棬ÈôÓÃH2O2·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪH2O2+2FeSO4+H2SO4=Fe2£¨SO4£©3+2H2O£®
£¨3£©ÒÑÖª£ºÅ¨¶È¾ùΪ0.1mol/LµÄ½ðÊôÑôÀë×Ó£¬Éú³ÉÇâÑõ»¯Îï³ÁµíµÄpHÈç±í£º
Al£¨OH£©3Fe£¨OH£©2Fe£¨OH£©3
¿ªÊ¼³Áµíʱ3.46.31.5
ÍêÈ«³Áµíʱ4.78.32.8
²½Öè¢ÛµÄÄ¿µÄÊÇÑÇÌúÀë×ÓÑõ»¯ÎªÌúÀë×Ó£¬²¢½«ÌúÀë×Óת»¯ÎªÇâÑõ»¯Ìú³Áµí³ýÈ¥£»ÈôÔÚ¸ÃŨ¶ÈϳýÈ¥ÌúµÄ»¯ºÏÎµ÷½ÚpHµÄ×î´ó·¶Î§ÊÇ2.8¡ÜPH£¼3.4£®
£¨4£©ÒÑÖªKsp[Fe£¨OH£©3]=c£¨Fe3+£©•c3£¨OH-£©=4.0¡Á10-38£¬³£ÎÂÏ£¬µ±pH=2ʱ£¬Fe3+¿ªÊ¼³ÁµíµÄŨ¶ÈΪ4.0¡Á10-2mol/L£®
£¨5£©²Ù×÷¢Ü·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ2MnO4-+3Mn2++2H2O=5MnO2+4H+£»ÎªÁËÑéÖ¤¸Ã²Ù×÷ËùµÃ¹ÌÌåÖÐȷʵº¬ÓÐMnO2£¬¿ÉÑ¡ÓõÄÊÔ¼ÁÊÇŨÑÎËá»òË«ÑõË®£®
£¨6£©²Ù×÷¢Ý¡°Ò»ÏµÁвÙ×÷¡±£¬ÏÂÁÐÒÇÆ÷ÖÐÓò»µ½µÄÊÇB £¨ÌîÐòºÅ£©£®
A£®Õô·¢Ãó     B£®ÛáÛö      C£®²£Á§°ô     D£®¾Æ¾«µÆ   E£®Â©¶·£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

18£®ÎïÖʽṹ¾ö¶¨ÎïÖÊÐÔÖÊ£®»Ø´ðÏÂÁÐÎÊÌ⣺
A¡¢B¡¢C¡¢DΪԭ×ÓÐòÊýÒÀ´ÎÔö´óµÄËÄÖÖÔªËØ£¬A2-ºÍB+¾ßÓÐÏàͬµÄµç×Ó¹¹ÐÍ£»C¡¢DΪͬÖÜÆÚÔªËØ£¬CºËÍâµç×Ó×ÜÊýÊÇ×îÍâ²ãµç×ÓÊýµÄ3±¶£»DÔªËØ×îÍâ²ãÓÐÒ»¸öδ³É¶Ôµç×Ó£®»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ËÄÖÖÔªËØÖе縺ÐÔ×î´óµÄÊÇO£¨ÌîÔªËØ·ûºÅ£©£¬ÆäÖÐCÔ­×ӵĺËÍâµç×ÓÅŲ¼Ê½Îª1s22s22p63s23p3£®
£¨2£©µ¥ÖÊAÓÐÁ½ÖÖͬËØÒìÐÎÌ壬ÆäÖзеã¸ßµÄÊÇO3£¨Ìî·Ö×Óʽ£©£»BµÄÇ⻯ÎïËùÊôµÄ¾§ÌåÀàÐÍΪÀë×Ó¾§Ì壮
£¨3£©»¯ºÏÎïD2AµÄÁ¢Ìå¹¹ÐÍΪVÐΣ®ÖÐÐÄÔ­×ÓµÄÔÓ»¯¹ìµÀÀàÐÍΪsp3£®
£¨4£©AºÍBÄܹ»Ðγɻ¯ºÏÎïF£¬Æ侧°û½á¹¹ÈçͼËùʾ£¨´óºÚÉ«ÇòΪA£¬Ð¡ºÚÉ«ÇòΪB£©£¬¾§°û²ÎÊýa=0.566nm£¬FµÄ»¯Ñ§Ê½ÎªNa2O£ºÁÐʽ¼ÆË㾧ÌåFµÄÃܶȣ¨g£®cm-3£©2.27g•cm-3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

8£®Ö»¸ø³öÏÂÁм×ÖкÍÒÒÖжÔÓ¦µÄÁ¿£¬²»ÄÜ×é³ÉÒ»¸öÇóÎïÖʵÄÁ¿µÄ¹«Ê½µÄÊÇ£¨¡¡¡¡£©
¼×ÒÒ
¢ÙÎïÖÊ΢Á£Êý°¢·ü¼ÓµÂÂÞ³£Êý
¢Ú±ê¿öÏÂÆøÌåĦ¶ûÌå»ý±ê¿öÏÂÆøÌåÌå»ý
¢ÛÈܼÁµÄÌå»ýÈÜÖʵÄÎïÖʵÄÁ¿Å¨¶È
¢ÜÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÈÜÒºµÄÖÊÁ¿
¢Ý·Ç±ê¿öÏÂÎïÖʵÄÖÊÁ¿ÎïÖʵÄĦ¶ûÖÊÁ¿
A£®¢ÛB£®¢Û¢ÜC£®¢Ú¢Û¢ÜD£®¢Û¢Ü¢Ý

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

15£®ÒÑÖªFe£¨OH£©3½ºÁ£´øÕýµçºÉ£®Al£¨OH£©3½ºÁ£Ò²´øÕýµçºÉ£¬¶øH2SiO3½ºÁ£´ø¸ºµçºÉ£¬ÔòÏÂÁÐʵÑéµÄÏÖÏó·Ö±ðÊÇ£º
¢ÙFe£¨OH£©3½ºÁ£ºÍAl£¨OH£©3½ºÁ£»ìºÏ£ºÎÞÃ÷ÏÔÏÖÏó£»
¢ÚFe£¨OH£©3½ºÁ£ºÍH2SiO3½ºÁ£»ìºÏ£ºÒºÌå±ä³ÎÇ壬²¢Éú³ÉÁ˺ìºÖÉ«³Áµí£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ

12£®µÈÖÊÁ¿µÄSO2ºÍSO3 ÖУ¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®Ëùº¬ÑõÔ­×ӵĸöÊý±ÈΪ2£º3B£®Ëùº¬ÁòÔ­×ӵĸöÊý±ÈΪ1£º1
C£®Ëùº¬ÑõÔªËصÄÖÊÁ¿±ÈΪ5£º6D£®Ëùº¬ÁòÔªËصÄÖÊÁ¿±ÈΪ5£º4

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

13£®ÔöËܼÁ£¬ÓÖ³ÆËÜ»¯¼Á£¬2011ÄêÆð£¬Ì¨Íå±»¼ì²â³öº¬ËÜ»¯¼ÁʳƷÒÑ´ï961Ï6ÔÂ1ÈÕÎÀÉú²¿½ô¼±·¢²¼¹«¸æ£¬½«ÁÚ±½¶þ¼×Ëáõ¥£¨Ò²½Ð̪Ëáõ¥£©ÀàÎïÖÊ£¬ÁÐÈëʳƷÖпÉÄÜÎ¥·¨Ìí¼ÓµÄ·ÇʳÓÃÎïÖʺÍÒ×ÀÄÓõÄʳƷÌí¼Ó¼ÁÃûµ¥£®ÏÂÁйý³Ì¾ÍÊÇÓлúºÏ³ÉijÔöËܼÁµÄ·Ïߣº
ÒÑÖª£ºÍé»ù±½ÔÚ¸ßÃÌËá¼ØµÄ×÷ÓÃÏ£¬²àÁ´¿É±»Ñõ»¯³ÉôÈ»ù£¬ÀýÈ磺£¨Í¼1£©

»¯ºÏÎïA¡«EµÄת»¯¹ØϵÈçͼ2Ëùʾ£¬ÒÑÖª£ºAÊÇ·¼Ï㻯ºÏÎֻÄÜÉú³É3ÖÖÒ»ä廯ºÏÎBÓÐËáÐÔ£¬CÊdz£ÓÃÔöËܼÁ£¬DÊÇÓлúºÏ³ÉµÄÖØÒªÖмäÌåºÍ³£Óû¯Ñ§ÊÔ¼Á£¨DÒ²¿ÉÓÉÆäËûÔ­ÁÏ´ß»¯Ñõ»¯µÃµ½£©£¬EÊÇÒ»ÖÖ³£ÓõÄָʾ¼Á·Ó̪£®
£¨1£©AµÄ»¯Ñ§Ãû³ÆΪÁÚ¶þ¼×±½£®
£¨2£©BµÄ½á¹¹¼òʽΪ£®
£¨3£©ÓÉBÉú³ÉCµÄ»¯Ñ§·½³ÌʽΪ£¬¸Ã·´Ó¦µÄÀàÐÍΪȡ´ú·´Ó¦£®
£¨4£©DµÄ½á¹¹¼òʽΪ£¬ÔÚDÎïÖʵĺ˴Ź²ÕñÇâÆ×ͼÖУ¬»á³öÏÖ2×é·å£¬·åÃæ»ýÖ®±ÈΪ1£º1£®
£¨5£©AµÄͬ·ÖÒì¹¹ÌåÖÐÊôÓÚ·¼Ïã×廯ºÏÎïµÄÓÐ3ÖÖ£¬ÆäÖÐÒ»ÂÈ´ú²úÎïÖÖÀà×î¶àµÄÊÇ£¨Ð´½á¹¹¼òʽ£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸