(12·Ö)
¢ñ£®¶ÌÖÜÆÚÔªËØ×é³ÉµÄµ¥ÖÊX2¡¢Y£¬±ê×¼×´¿öÏÂX2µÄÃܶÈΪ3.17g¡¤L£­1£»³£ÎÂÏ£¬YΪdz»ÆÉ«¹ÌÌå¡£ZÊÇÒ»ÖÖ»¯ºÏÎÑæÉ«·´Ó¦³Êdz×ÏÉ«(͸¹ýîܲ£Á§)£»0.1mol¡¤L£­1 ZµÄË®ÈÜÒºpH=13¡£X2¡¢Y ºÍZÖ®¼äÓÐÈçÏÂת»¯¹Øϵ(ÆäËûÎÞ¹ØÎïÖÊÒÑÂÔÈ¥)

£¨1£©Ð´³ö³£ÎÂϵ¥ÖÊX2ÓëZ·´Ó¦µÄÀë×Ó·½³Ìʽ                                   
£¨2£©ÒÑÖªCÄÜÓëÁòËá·´Ó¦Éú³ÉÄÜʹƷºìÈÜÒºÍÊÉ«µÄÆøÌå
¢ÙDµÄ»¯Ñ§Ê½ÊÇ         £»DµÄË®ÈÜÒºpH£¾7£¬Ô­ÒòÊÇ(ÓÃÀë×Ó·½³Ìʽ±íʾ)                  
¢Ú½«20mL 0.5mol¡¤L£­1 CÈÜÒºÖðµÎ¼ÓÈëµ½20 mL 0.2mol¡¤L£­1 KMnO4ÈÜÒº(ÁòËáËữ)ÖУ¬ÈÜҺǡºÃÍÊΪÎÞÉ«¡£Ð´³ö·´Ó¦µÄÀë×Ó·½³Ìʽ                                 
¢ò£®Ï±íÊÇÔªËØÖÜÆÚ±íµÄÒ»²¿·Ö£¬±íÖÐËùÁеÄ×Öĸ·Ö±ð´ú±íijһԪËØ£®

ijÖÖ½ðÊôÔªËصĵ¥ÖÊG£¬¿ÉÒÔ·¢ÉúÈçÏÂͼËùʾת»¯£º

ÆäÖл¯ºÏÎïMÊÇÒ»ÖÖ°×É«½º×´³Áµí£»KµÄÈÜÒºÓë¹ýÁ¿BµÄijÖÖÑõ»¯Îï·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ___________________________£»Ò»ÖÖÐÂÐÍÎÞ»ú·Ç½ðÊô²ÄÁÏÓÉGÔªËغÍCÔªËØ×é³É£¬Æ仯ѧʽΪ        ¡£

¢ñ£®£¨1£© Cl2 £« 2OH¨C = Cl¨C £« ClO¨C £« H2O
£¨2£© ¢Ù  K2S  S2¨C £« H2O  HS¨C £« OH¨C
¢Ú  5SO32¨C £« 2MnO4¨C £« 6H= 5SO42 ¨C £« 2Mn2+ £« 3H2O
¢ò£®NaAlO2 £« CO2 £« 2H2O = NaHCO3 £« Al(OH)3¡ý ¡¡AlN

½âÎöÊÔÌâ·ÖÎö£º¢ñ£®M(X2) = 3.17g¡¤L£­1¡Á22.4L¡¤mol¨C1 =" 71" g¡¤mol¨C1£¬ËùÒÔXΪÂÈÔªËØ£¬³£ÎÂÏ£¬¶ÌÖÜÆÚÔªËØYµÄµ¥ÖÊΪµ­»ÆÉ«¹ÌÌ壬ÔòYΪÁòÔªËØ£¬ZµÄÑæÉ«·´Ó¦³Êdz×ÏÉ«£¬ËµÃ÷ZÖк¬ÓмØÔªËØ£¬0.1mol¡¤L£­1 ZµÄË®ÈÜÒºpH=13˵Ã÷ZΪǿ¼î£¬¼´ZΪKOH¡£ÓÉX2¡¢Y ºÍZÖ®¼äµÄת»¯¹Øϵͼ¿ÉÖªX2ÓëZµÄ·´Ó¦Îª£ºCl2 + 2KOH =" KCl" + KClO + H2O£¬Y ºÍZÔÚ¼ÓÈÈÌõ¼þϵķ´Ó¦Îª£º3S + 6KOH = K2S + 2K2SO3 + 3H2O¡£×ÛÉÏËùÊö¿ÉµÃ£º£¨1£© д³ö³£ÎÂϵ¥ÖÊX2ÓëZ·´Ó¦µÄÀë×Ó·½³Ìʽ£ºCl2 £« 2OH¨C = Cl¨C £« ClO¨C £« H2O £¨2£©CΪK2SO3£¬ÓëÁòËá·´Ó¦Éú³ÉSO2ʹƷºìÈÜÒºÍÊÉ«£¬ÔòDΪK2S¡£¢ÙDµÄ»¯Ñ§Ê½ÎªK2S£»ÆäË®ÈÜÒºpH£¾7£¬ÊÇÒòΪS2¨CË®½â³Ê¼îÐÔ£¬Ë®½âµÄÀë×Ó·½³ÌʽΪ£ºS2¨C £« H2O  HS¨C £« OH¨C£»¢Ún(K2SO3)= 0.02L¡Á0.5mol¡¤L¨C1 = 0.01mol£¬n(KMnO4) = 0.02L¡Á0.2mol¡¤L£­1 = 0.004mol£¬n(K2SO3):n(KMnO4) =5:2£¬ËáÐÔKMnO4¾ßÓÐÇ¿Ñõ»¯ÐÔ£¬ÄÜ°ÑÑõ»¯ÎªSO42¨C£¬±¾Éí±»»¹Ô­ÎªMnO4¨C£¬ÔòÅäƽºóµÄÀë×Ó·½³ÌʽΪ£º5SO32¨C £« 2MnO4¨C £« 6H= 5SO42 ¨C £« 2Mn2+ £« 3H2O¡£
¢ò£®½ðÊôµ¥ÖÊGÄÜÓëNaOHÈÜÒº·´Ó¦£¬ÔòGΪÂÁÔªËØ£¬´ÓÔªËØÖÜÆÚ±íÖÐËùÁÐÔªËصÄλÖÿÉÖª£¬BΪ̼ԪËØ£¬CΪµªÔªËØ£¬FΪÂÈÔªËØ£¬ÓÖ´ÓÓйØÎïÖʵÄת»¯¹Øϵͼ¿ÉÖª£¬KΪƫÂÁËáÄÆ£¬LΪÂÈ»¯ÂÁ£¬KΪÇâÑõ»¯ÂÁ¡£¹ÊNaAlO2ÓëCO2·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£ºNaAlO2 £« CO2 £« 2H2O = NaHCO3 £« Al(OH)3¡ý£»ÂÁÓ뵪ԪËØÐγɻ¯ºÏÎïʱ£¬ÂÁÏÔ+3¼Û£¬µªÎª¨C3¼Û£¬Æ仯ѧʽΪAlN¡£
¿¼µã£º±¾ÌâÖ÷Òª¿¼²éÎÞ»úÎïÍƶϣ¬µ«Í¬Ê±Éæ¼°µÄ֪ʶµã½Ï¶à£¬ÓÐÑεÄË®½â¡¢Àë×Ó·½³ÌʽµÄÊéд¡¢Ñõ»¯»¹Ô­·´Ó¦¼°ÆäÅäƽ¡¢ÎÞ»ú·Ç½ðÊô²ÄÁϵÈÄÚÈÝ£¬Ö÷Òª¿¼²éѧÉú¶Ô֪ʶµÄÀí½âÓëÔËÓÃÄÜÁ¦¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

(12·Ö)ÒÑÖª½ðÊôµ¥ÖÊAÊÇÉú²úÉú»îÖÐÓÃÁ¿×î´óµÄ½ðÊô¡£ DÊÇÄÑÈÜÓÚË®µÄ°×É«¹ÌÌå¡£ FΪºìºÖÉ«¹ÌÌå¡£ÎÞÉ«ÆøÌå¼×ÓöÆøÌå±ûÁ¢¼´Éú³Éºì×ØÉ«µÄÆøÌåÒÒ¡££¨Í¼Öв¿·Ö²úÎïºÍ·´Ó¦µÄÌõ¼þÂÔ£©¡£

Çë¸ù¾ÝÒÔÉÏÐÅÏ¢»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ð´³öÏÂÁÐÎïÖʵĻ¯Ñ§Ê½C__________G__________¡£
д³ö·´Ó¦¢ÙµÄ»¯Ñ§·½³Ìʽ________________________________ ¡£
·´Ó¦¢ÚµÄÀë×Ó·½³Ìʽ_____________________________¡£
£¨3£©·´Ó¦¢ÜÕû¸ö¹ý³Ì¹Û²ìµ½µÄÏÖÏóΪ_____________________________¡£
£¨4£©·´Ó¦¢ÝÖУ¬Èô½«³äÂúÆøÌåÒÒµÄÊԹܵ¹¿ÛÔÚË®²ÛÖУ¬³ä·Ö·´Ó¦ºó£¬ÊÔ¹ÜÄÚÒºÌåÕ¼ÊÔ¹Ü×ÜÌå»ý_______________¡£
£¨5£©Ä³ÖÖƶѪ֢»¼ÕßÓ¦²¹³äCÎïÖʵÄÑôÀë×Ó¡£º¬¸ÃÀë×ÓµÄҩƬÍâ±í°üÓÐÒ»²ãÌØÊâµÄÌÇÒ£¬Õâ²ãÌÇÒµÄ×÷ÓþÍÊDZ£»¤¸ÃÀë×Ó²»±»¿ÕÆøÖеÄÑõÆøÑõ»¯¡£Îª¼ìÑ鳤ÆÚ·ÅÖõÄҩƬÒѾ­Ê§Ð§£¬½«Ò©Æ¬È¥³ýÌÇÒºóÑÐË飬ȡÉÙÁ¿ÑÐËéµÄҩƬ·ÅÈëÉÕ±­ÖУ¬¼ÓÊÊÁ¿µÄÕôÁóË®£¬È»ºóµÎ¼ÓÊýµÎ__________ÈÜÒº£¬ÈÜÒºÏÔ__________É«£¬±íÃ÷¸ÃҩƬÒÑʧЧ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

A¡¢B¡¢C¡¢D¡¢E¡¢FÁùÖÖÎïÖʵÄÏ໥ת»¯¹ØϵÈçÓÒͼËùʾ£¨·´Ó¦Ìõ¼þ¼°²¿·Ö²úÎïδÁгö£©¡£

£¨1£©ÈôAÊdz£¼û½ðÊôµ¥ÖÊ£¬ÓëBµÄË®ÈÜÒº·´Ó¦Éú³ÉCºÍD¡£D¡¢FÊÇÆøÌåµ¥ÖÊ£¬DÔÚFÖÐȼÉÕʱ·¢³ö²Ô°×É«»ðÑæ¡£ÔòFËù¶ÔÓ¦µÄÔªËØÔÚÖÜÆÚ±íλÖÃÊÇ             £»·´Ó¦¢Ú£¨ÔÚË®ÈÜÒºÖнøÐУ©µÄÀë×Ó·½³ÌʽΪ       ¡£
£¨2£©ÈôA¡¢DΪ¶ÌÖÜÆÚÔªËØ×é³ÉµÄ¹ÌÌåµ¥ÖÊ£¬AΪ½ðÊô£¬DΪ·Ç½ðÊô¡£ÇÒ¢Û¢ÜÁ½¸ö·´Ó¦¶¼Óкì×ØÉ«ÆøÌåÉú³É£¬Ôò·´Ó¦¢Ù¡¢¢ÜµÄ»¯Ñ§·½³Ìʽ·Ö±ðΪ
¢Ù            £»¢Ü              ¡£
£¨3£©ÈôA¡¢D¡¢F¶¼ÊǶÌÖÜÆڷǽðÊôµ¥ÖÊ£¬ÇÒA¡¢DËùº¬ÔªËØͬÖ÷×壬A¡¢FËùº¬ÔªËØͬÖÜÆÚ£¬CÊÇÒ»ÖÖÄÜÓëѪºìµ°°×½áºÏµÄÓж¾ÆøÌ壻ÔòÎïÖÊBµÄ¾§ÌåÀàÐÍÊÇ             £¬·Ö×ÓEµÄ½á¹¹Ê½ÊÇ          ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

A¡¢B¡¢CΪ3ÖÖµ¥ÖÊ£¨ÆäÖÐAΪ¹ÌÌ壬B¡¢CΪÆøÌ壩£¬½«DµÄ±¥ºÍÈÜÒºµÎÈë·ÐË®ÖмÌÐøÖó·Ð£¬ÈÜÒº³ÊºìºÖÉ«£¬B¡¢C·´Ó¦µÄ²úÎïÒ×ÈÜÓÚË®µÃµ½ÎÞÉ«ÈÜÒºE¡£ËüÃÇÖ®¼äµÄת»¯¹ØϵÈçÏÂͼ£º

ÌîдÏÂÁпհףº
£¨1£©ÎïÖÊAÊÇ____________£¬ÎïÖÊBÊÇ___________£¬BÔªËصÄÀë×ӽṹʾÒâͼΪ___________¡£
£¨2£©Ð´³ö»¯ºÏÎïEµÄµç×Óʽ£º____________£¬DµÄ±¥ºÍÈÜÒºµÎÈë·ÐË®ÖÐÈÜÒº³ÊºìºÖÉ«µÄÔ­ÒòÊÇ£¨ÓÃÀë×Ó·½³Ìʽ±íʾ£©£º_______________________________£¬DÈÜÒº¿ÉÒÔÓÃÀ´Ö¹Ñª¡£
£¨3£©¹¤ÒµÉÏ°ÑBµ¥ÖÊÓëʯ»ÒÈé·´Ó¦¿ÉÖƵÃƯ°×·Û£¬Æ¯°×·ÛµÄÓÐЧ³É·ÝÊÇ_______£¬Æ¯°×·Û³£ÓÃÓÚ×ÔÀ´Ë®µÄɱ¾úÏû¶¾£¬Ô­ÒòÊÇ£º£¨Óû¯Ñ§·½³ÌʽºÍÊʵ±µÄÎÄ×Ö˵Ã÷£©______________________¡£
£¨4£©FÖмÓÈëNaOHÈÜÒº£¬²¢ÔÚ¿ÕÆøÖзÅÖ㬳ÁµíÓÉ°×É«±äΪ»ÒÂÌÉ«×îºó±ä³ÉºìºÖÉ«µÄ»¯Ñ§·½³ÌʽÊÇ_____________________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

A¡«G¸÷ÎïÖʼäµÄ¹ØϵÈçÏÂͼ£¬ÆäÖÐB¡¢DΪÆø̬µ¥ÖÊ¡£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺(¢ÙÖÐMnO2×÷´ß»¯¼Á£¬¢ÚÖÐMnO2×÷Ñõ»¯¼Á)
£¨1£©ÎïÖÊCºÍEµÄÃû³Æ·Ö±ðΪ________________¡¢__________________£»
£¨2£©¿ÉÑ¡Óò»Í¬µÄA½øÐз´Ó¦¢Ù£¬ÈôÄÜÔÚ³£ÎÂϽøÐУ¬Æ仯ѧ·½³ÌʽΪ_____________£»ÈôÖ»ÄÜÔÚ¼ÓÈÈÇé¿öϽøÐУ¬Ôò·´Ó¦ÎïAӦΪ_____________£»
£¨3£©·´Ó¦¢ÚµÄ»¯Ñ§·½³Ìʽ:_______________________________________£»
£¨4£©ÐÂÅäÖƵÄFÈÜÒºÓ¦¼ÓÈë_____________ÒÔ·ÀÖ¹Æäת»¯ÎªG¡£¼ìÑéGÈÜÒºÖÐÑôÀë×ӵij£ÓÃÊÔ¼ÁÊÇ_____________£¬ÊµÑéÏÖÏóΪ____________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ϱíÊÇÔªËØÖÜÆÚ±íµÄÒ»²¿·Ö£¬A¡¢B¡¢C¡¢D¡¢E¡¢XÊÇϱíÖиø³öÔªËØ×é³ÉµÄ³£¼ûµ¥ÖÊ»ò»¯ºÏÎï¡£

ÒÑÖªA¡¢B¡¢C¡¢D¡¢E¡¢X´æÔÚÈçͼËùʾת»¯¹Øϵ£¨²¿·ÖÉú³ÉÎïºÍ·´Ó¦Ìõ¼þÂÔÈ¥£©

£¨1£©ÈôEΪµ¥ÖÊÆøÌ壬DΪ°×É«³Áµí£¬AµÄ»¯Ñ§Ê½¿ÉÄÜÊÇ                 £¬ CÓëX·´Ó¦µÄÀë×Ó·½³ÌʽΪ                                                       ¡£
£¨2£©ÈôEΪÑõ»¯ÎÔòAÓëË®·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ                              ¡£
¢Ùµ±XÊǼîÐÔÑÎÈÜÒº£¬C·Ö×ÓÖÐÓÐ22¸öµç×Óʱ£¬ÔòCµÄ½á¹¹Ê½Îª           £¬±íʾX³Ê¼îÐÔµÄÀë×Ó·½³ÌʽΪ                                                     ¡£
¢Úµ±XΪ½ðÊôµ¥ÖÊʱ£¬XÓëBµÄÏ¡ÈÜÒº·´Ó¦Éú³ÉCµÄÀë×Ó·½³ÌʽΪ                                                                         ¡£
£¨3£©ÈôBΪµ¥ÖÊÆøÌ壬D¿ÉÓëË®ÕôÆøÔÚÒ»¶¨Ìõ¼þÏ·¢Éú¿ÉÄæ·´Ó¦£¬Éú³ÉCºÍÒ»ÖÖ¿ÉȼÐÔÆøÌåµ¥ÖÊ£¬Ð´³ö¸Ã¿ÉÄæ·´Ó¦µÄ»¯Ñ§·½³Ìʽ                               ¡£t¡æʱ£¬ÔÚÃܱպãÈݵÄijÈÝÆ÷ÖÐͶÈëµÈÎïÖʵÄÁ¿µÄDºÍË®ÕôÆø£¬Ò»¶Îʱ¼äºó´ïµ½Æ½ºâ£¬¸ÃζÈÏ·´Ó¦µÄƽºâ³£ÊýK=1£¬DµÄת»¯ÂÊΪ         ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÈçÏÂͼÊÇÖÐѧ»¯Ñ§Öг£¼ûÎïÖÊÖ®¼äµÄһЩ·´Ó¦¹Øϵ£¬ÆäÖв¿·Ö²úÎïδд³ö¡£³£ÎÂÏÂXºÍHÊǹÌÌ壬BºÍGÊÇÒºÌ壬ÆäÓà¾ùΪÆøÌ壬 1 mol X·Ö½âµÃµ½A¡¢B¡¢C¸÷1 mol¡£

ÊԻشðÏÂÁи÷Ì⣺
£¨1£©Ð´³öÏÂÁÐÎïÖʵĻ¯Ñ§Ê½£ºX________£¬B________¡£
£¨2£©Ð´³öÏÂÁз´Ó¦µÄ»¯Ñ§·½³Ìʽ£º
¢ÙH£«G¨D¡úA£«F£º__________________________________________________________¡£
¢ÚC£«D¨D¡úE£º__________________________________________________________¡£
£¨3£©Ð´³öÏÂÁз´Ó¦µÄÀë×Ó·½³Ìʽ£º
G£«Cu¨D¡úE£º___________________________________________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÔÚÏÂÁи÷±ä»¯ÖУ¬EΪÎÞÉ«ÎÞζµÄÒºÌ壨³£ÎÂÏ£©£¬FΪµ­»ÆÉ«·ÛÄ©£¬GΪ³£¼ûµÄÎÞÉ«ÆøÌ壨·´Ó¦Ìõ¼þ¾ùÒÑÊ¡ÂÔ£©¡£

»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÔÚ·´Ó¦¢ÚÖУ¬Ã¿Éú³É2.24LÆøÌåG£¨±ê×¼×´¿ö£©Ê±£¬¸Ã·´Ó¦×ªÒƵç×ÓµÄÎïÖʵÄÁ¿ÊÇ___________mol¡£
£¨2£©Èô·´Ó¦¢ÙÔÚ¼ÓÈÈÌõ¼þϽøÐУ¬µ¥ÖÊAºÍ»¯ºÏÎïB°´ÎïÖʵÄÁ¿Ö®±ÈΪ1£º2·¢Éú·´Ó¦£¬ÇÒC¡¢DÊÇÁ½ÖÖ¾ùÄÜʹ³ÎÇåµÄʯ»ÒË®±ä»ë×ǵÄÎÞÉ«ÆøÌ壬Ôò·´Ó¦¢ÙµÄ»¯Ñ§·½³ÌʽÊÇ___________________________________________¡£
£¨3£©Èô·´Ó¦¢ÙÔÚÈÜÒºÖнøÐУ¬AÊÇһԪǿ¼î£¬BÊÇÒ»ÖÖËáʽÑΣ¬DÊÇÒ»ÖÖʹʪÈóºìɫʯÈïÊÔÖ½±äÀ¶µÄÆøÌ壬ÇÒBÓöÑÎËáÄÜÉú³ÉʹƷºìÈÜÒºÍÊÉ«µÄÆøÌå¡£ÔÚ¼ÓÈÈÌõ¼þÏ£¬µ±A¹ýÁ¿Ê±£¬·´Ó¦¢ÙµÄÀë×Ó·½³ÌʽÊÇ_________________________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÏÖÓг£¼û½ðÊôµ¥ÖÊA¡¢B¡¢CºÍ³£¼ûÆøÌå¼×¡¢ÒÒ¡¢±û¼°ÎïÖÊD¡¢E¡¢F¡¢G¡¢H£¬ËüÃÇÖ®¼äÄÜ·¢ÉúÈçÏ·´Ó¦£¨Í¼ÖÐÓÐЩ·´Ó¦µÄ²úÎïºÍ·´Ó¦µÄÌõ¼þûÓÐÈ«²¿±ê³ö£©¡£
  
Çë¸ù¾ÝÒÔÉÏÐÅÏ¢»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ð´³öÏÂÁÐÎïÖʵĻ¯Ñ§Ê½£º A         £¬±û          
£¨2£©Ð´³ö·´Ó¦¢ÚµÄ»¯Ñ§·½³Ìʽ                                          
£¨3£©Ð´³öÏÂÁз´Ó¦Àë×Ó·½³Ìʽ£º
·´Ó¦¢Û                                                
·´Ó¦¢Ý                                                
·´Ó¦¢Þ                                                

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸