ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿¢ñ.¸ßÌúËá¼Ø(K2FeO4)¾ßÓм«Ç¿µÄÑõ»¯ÐÔ£¬ÊÇÒ»ÖÖÓÅÁ¼µÄË®´¦Àí¼Á¡£

£¨1£©ÇëÍê³ÉFeO42-ÓëË®·´Ó¦µÄÀë×Ó·½³Ìʽ£º4FeO42-£«10H2O 4Fe(OH)3£«8OH£­£«__¡£K2FeO4ÔÚ´¦ÀíË®µÄ¹ý³ÌÖÐËùÆðµÄ×÷ÓÃÊÇ___ºÍ____¡£

£¨2£©½«ÊÊÁ¿K2FeO4ÅäÖƳÉc(FeO42-)£½1.0mmol¡¤L£­1µÄÊÔÑù£¬½«ÊÔÑù·Ö±ðÖÃÓÚ20¡æ¡¢30¡æ¡¢40¡æºÍ60¡æµÄºãÎÂˮԡÖУ¬²â¶¨c(FeO42-)µÄ±ä»¯£¬½á¹û¼ûͼ¢ñ¡£µÚ£¨1£©ÌâÖеķ´Ó¦ÎªFeO42-±ä»¯µÄÖ÷·´Ó¦£¬ÔòζȶԸ÷´Ó¦µÄ·´Ó¦ËÙÂʺÍƽºâÒƶ¯µÄÓ°ÏìÊÇ___£¬·¢Éú·´Ó¦µÄ¦¤H___0¡£

¢ò.ϱíÊǼ¸ÖÖÈõµç½âÖʵĵçÀëƽºâ³£Êý¡¢ÄÑÈܵç½âÖʵÄÈܶȻýKsp(25¡æ)¡£

µç½âÖÊ

ƽºâ·½³Ìʽ

ƽºâ³£ÊýK

Ksp

CH3COOH

CH3COOHCH3COO£­£«H£«

1.76¡Á10£­5

H2CO3

H2CO3H£«£«HCO3-

HCO3-H£«£«CO32-

K1=4.31¡Á10£­4

K2=5.61¡Á10£­11

C6H5OH

C6H5OHC6H5O£­£«H£«

1.1¡Á10£­10

H3PO4

H3PO4H£«£«H2PO4-

H2PO4-H£«£«HPO42-HPO42-H£«£«PO43-

K1=7.52¡Á10£­3

K2=6.23¡Á10£­8

K3=2.20¡Á10£­13

NH3¡¤H2O

NH3¡¤H2ONH4+£«OH£­

1.76¡Á10£­5

BaSO4

BaSO4Ba2£«£«SO42-

1.07¡Á10£­10

BaCO3

BaCO3Ba2£«£«CO32-

2.58¡Á10£­9

»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÉÉϱí·ÖÎö£¬Èô¢ÙCH3COOH£¬¢ÚHCO3-£¬¢ÛC6H5OH£¬¢ÜH2PO4-¾ù¿É¿´×öËᣬÔòËüÃÇËáÐÔÓÉÇ¿µ½ÈõµÄ˳ÐòΪ___(Ìî±àºÅ)¡£

£¨2£©Ð´³öC6H5OHÓëNa3PO4·´Ó¦µÄÀë×Ó·½³Ìʽ___¡£

£¨3£©25¡æʱ£¬½«µÈÌå»ýµÈŨ¶ÈµÄ´×ËáºÍ°±Ë®»ìºÏ£¬»ìºÏÒºÖУºc(CH3COO£­)__c(NH4+)(Ìî¡°>¡±¡¢¡°£½¡±»ò¡°<¡±)¡£

£¨4£©25¡æʱ£¬Ïò10mL0.01mol¡¤L£­1±½·ÓÈÜÒºÖеμÓVmL0.01mol¡¤L£­1°±Ë®£¬»ìºÏÒºÖÐÁ£×ÓŨ¶È¹ØϵÕýÈ·µÄÊÇ__¡£

A£®Èô»ìºÏÒºpH>7£¬ÔòV¡Ý10

B£®Èô»ìºÏÒºpH<7£¬Ôòc(NH4+)>c(C6H5O£­)>c(H£«)>c(OH£­)

C£®V£½10ʱ£¬»ìºÏÒºÖÐË®µÄµçÀë³Ì¶ÈСÓÚ10mL0.01mol¡¤L£­1±½·ÓÈÜÒºÖÐË®µÄµçÀë³Ì¶È

D£®V£½5ʱ£¬2c(NH3¡¤H2O)£«2c(NH4+)£½c(C6H5O£­)£«c(C6H5OH)

£¨5£©Ë®½â·´Ó¦ÊǵäÐ͵ĿÉÄæ·´Ó¦£¬Ë®½â·´Ó¦µÄ»¯Ñ§Æ½ºâ³£Êý³ÆΪˮ½â³£Êý(ÓÃKb±íʾ)£¬Àà±È»¯Ñ§Æ½ºâ³£ÊýµÄ¶¨Ò壬Çëд³öNa2CO3µÚÒ»²½Ë®½â·´Ó¦µÄË®½â³£ÊýµÄ±í´ïʽ£º___¡£

¡¾´ð°¸¡¿3O2 ɱ¾úÏû¶¾ Îü¸½(¾»Ë®) ζÈÉý¸ß£¬·´Ó¦ËÙÂʼӿ죬ƽºâÏòÕý·´Ó¦·½ÏòÒƶ¯ > ¢Ù¢Ü¢Û¢Ú C6H5OH£«PO43-=C6H5O£­£«HPO42- = D Kb=

¡¾½âÎö¡¿

¢ñ.£¨1£©FeO42-ÓëË®·´Ó¦µÄÀë×Ó·½³Ìʽ£º4FeO42-£«10H2O 4Fe(OH)3£«8OH£­£«__£¬·´Ó¦ÖУ¬FeÓÉ+6¼Û½µµÍΪ+3¼Û£¬Ôò¼Û̬Éý¸ßµÄÔªËØÖ»ÄÜΪH2OÖеÄO£¬´Ó¶øµÃ³öÑõ»¯²úÎïΪO2£»K2FeO4ÔÚ´¦ÀíË®µÄ¹ý³ÌÖУ¬Fe¼Û̬½µµÍ£¬×÷Ñõ»¯¼Á£¬Éú³ÉFe(OH)3½ºÌ壬×÷¾»Ë®¼Á¡£

£¨2£©´ÓͼÖпÉÒÔ¿´³ö£¬Éý¸ßζȣ¬c(FeO42-)¼õС£¬ÔòƽºâÕýÏòÒƶ¯¡£

¢ò. £¨1£©ÓÉÉϱí·ÖÎö£¬Èô¢ÙCH3COOH£¬¢ÚHCO3-£¬¢ÛC6H5OH£¬¢ÜH2PO4-¾ù¿É¿´×öËᣬ±íÖеĵçÀë³£Êý·Ö±ðΪ£º1.76¡Á10£­5¡¢5.61¡Á10£­11¡¢1.1¡Á10£­10¡¢6.23¡Á10£­8£¬¿ÉÈ·¶¨ËüÃÇËáÐÔÓÉÇ¿µ½ÈõµÄ˳Ðò¡£

£¨2£©C6H5OHÓëNa3PO4·´Ó¦£¬Éú³ÉC6H5O-ÓëHPO42-¡£

£¨3£©25¡æʱ£¬½«µÈÌå»ýµÈŨ¶ÈµÄ´×ËáºÍ°±Ë®»ìºÏ£¬ÓÉÓÚ¶þÕߵĵçÀë³£ÊýÏàͬ£¬ËùÒÔ»ìºÏÒºÖУ¬CH3COO£­ÓëNH4+µÄË®½â³Ì¶ÈÒ²Ïàͬ£¬Óɴ˿ɵóöc(CH3COO£­)Óëc(NH4+)µÄ´óС¹Øϵ¡£

£¨4£©A£®ÓɶþÕߵĵçÀë³£Êý·ÖÎö£¬¼´±ã»ìºÏÒºpH>7£¬Ò²ÓпÉÄܳöÏÖV<10£»

B£®Èô»ìºÏÒºpH<7£¬Ôò·´Ó¦Éú³ÉC6H5ONH4ºó£¬Ê£ÓàµÄC6H5OHÓÖ·¢ÉúµçÀ룬´Ó¶øʹÈÜÒºÏÔËáÐÔ£»

C£®V£½10ʱ£¬¶þÕ߸պÃÍêÈ«·´Ó¦£¬»ìºÏÒºÖз¢ÉúC6H5O£­¡¢NH4+µÄË®½â·´Ó¦£¬Ë®µÄµçÀë³Ì¶È´óÓÚ±½·ÓÈÜÒºÖÐË®µÄµçÀë³Ì¶È£»

D£®V£½5ʱ£¬n(C6H5OH)=2n(NH3¡¤H2O)£¬ÒÀ¾ÝÊغãÔ­Ôò¿ÉÖª£¬2c(NH3¡¤H2O)£«2c(NH4+)£½c(C6H5O£­)£«c(C6H5OH)£»

£¨5£©Na2CO3µÚÒ»²½Ë®½â·´Ó¦ÎªCO32-£«H2OHCO3-£«OH-£¬¾Ý´Ëд³öË®½â³£ÊýµÄ±í´ïʽ¡£

¢ñ.£¨1£©FeO42-ÓëË®·´Ó¦µÄÀë×Ó·½³Ìʽ£º4FeO42-£«10H2O 4Fe(OH)3£«8OH£­£«3O2£¬·´Ó¦ÖУ¬FeÓÉ+6¼Û½µµÍΪ+3¼Û£¬Ôò¼Û̬Éý¸ßµÄÔªËØÖ»ÄÜΪH2OÖеÄO£¬´Ó¶øµÃ³öÑõ»¯²úÎïΪO2£»K2FeO4ÔÚ´¦ÀíË®µÄ¹ý³ÌÖУ¬Fe¼Û̬½µµÍ£¬×÷Ñõ»¯¼Á£¬Æðɱ¾úÏû¶¾×÷Óã¬Éú³ÉFe(OH)3½ºÌ壬×÷¾»Ë®¼Á¡£´ð°¸Îª£º3O2£»É±¾úÏû¶¾£»Îü¸½(¾»Ë®)£»

£¨2£©´ÓͼÖпÉÒÔ¿´³ö£¬Éý¸ßζȣ¬c(FeO42-)¼õС£¬ÔòƽºâÕýÏòÒƶ¯£¬´Ó¶øµÃ³öζȶԸ÷´Ó¦µÄ·´Ó¦ËÙÂʺÍƽºâÒƶ¯µÄÓ°ÏìÊÇζÈÉý¸ß£¬·´Ó¦ËÙÂʼӿ죬ƽºâÏòÕý·´Ó¦·½ÏòÒƶ¯£¬·¢Éú·´Ó¦µÄ¦¤H>0¡£´ð°¸Îª£ºÎ¶ÈÉý¸ß£¬·´Ó¦ËÙÂʼӿ죬ƽºâÏòÕý·´Ó¦·½ÏòÒƶ¯£»>£»

¢ò. £¨1£©ÓÉÉϱí·ÖÎö£¬Èô¢ÙCH3COOH£¬¢ÚHCO3-£¬¢ÛC6H5OH£¬¢ÜH2PO4-¾ù¿É¿´×öËᣬ±íÖеĵçÀë³£Êý·Ö±ðΪ£º1.76¡Á10£­5¡¢5.61¡Á10£­11¡¢1.1¡Á10£­10¡¢6.23¡Á10£­8£¬¿ÉÈ·¶¨ËüÃÇËáÐÔÓÉÇ¿µ½ÈõµÄ˳ÐòΪ¢Ù¢Ü¢Û¢Ú¡£´ð°¸Îª£º¢Ù¢Ü¢Û¢Ú£»

£¨2£©C6H5OHÓëNa3PO4·´Ó¦£¬Éú³ÉC6H5O-ÓëHPO42-£¬·´Ó¦µÄÀë×Ó·½³ÌʽΪC6H5OH£«PO43-=C6H5O£­£«HPO42-¡£´ð°¸Îª£ºC6H5OH£«PO43-=C6H5O£­£«HPO42-£»

£¨3£©25¡æʱ£¬½«µÈÌå»ýµÈŨ¶ÈµÄ´×ËáºÍ°±Ë®»ìºÏ£¬ÓÉÓÚ¶þÕߵĵçÀë³£ÊýÏàͬ£¬ËùÒÔ»ìºÏÒºÖУ¬CH3COO£­ÓëNH4+µÄË®½â³Ì¶ÈÒ²Ïàͬ£¬Óɴ˿ɵóö»ìºÏÒºÖУºc(CH3COO£­)=c(NH4+)¡£´ð°¸Îª£º=£»

£¨4£©A£®ÓɶþÕߵĵçÀë³£Êý·ÖÎö£¬¼´±ã»ìºÏÒºpH>7£¬Ò²ÓпÉÄܳöÏÖV<10£¬A²»ÕýÈ·£»

B£®Èô»ìºÏÒºpH<7£¬Ôò·´Ó¦Éú³ÉC6H5ONH4ºó£¬Ê£ÓàµÄC6H5OHÓÖ·¢ÉúµçÀ룬´Ó¶øʹÈÜÒºÏÔËáÐÔ£¬Óɴ˿ɵóöc(C6H5O£­)>c(NH4+)> c(H£«)>c(OH£­)£¬B²»ÕýÈ·£»

C£®V£½10ʱ£¬¶þÕ߸պÃÍêÈ«·´Ó¦£¬»ìºÏÒºÖз¢ÉúC6H5O£­¡¢NH4+µÄË®½â·´Ó¦£¬Ë®µÄµçÀë³Ì¶È´óÓÚ10mL0.01mol¡¤L£­1±½·ÓÈÜÒºÖÐË®µÄµçÀë³Ì¶È£¬C´íÎó£»

D£®V£½5ʱ£¬n(C6H5OH)=2n(NH3¡¤H2O)£¬ÒÀ¾ÝÊغãÔ­Ôò£¬2c(NH3¡¤H2O)£«2c(NH4+)£½c(C6H5O£­)£«c(C6H5OH)£¬DÕýÈ·¡£´ð°¸Îª£ºD£»

£¨5£©Na2CO3µÚÒ»²½Ë®½â·´Ó¦ÎªCO32-£«H2OHCO3-£«OH-£¬Ë®½â³£ÊýµÄ±í´ïʽΪ¡£´ð°¸Îª£º¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ìúµ¥Öʼ°»¯ºÏÎïÓëÎÒÃǵÄÉú²ú¡¢Éú»î½ôÃÜÏà¹Ø¡£

(1)Fe3£«µÄ»ù̬ºËÍâ¼Ûµç×ÓÅŲ¼Ê½Îª______£¬Ó¦ÓÃÔ­×ӽṹ±È½ÏFeÓëͬÖÜÆÚµÄMnµÚÈýµçÀëÄÜ(I3)µÄ´óС£ºI3(Mn)_______I3(Fe)(Ìî>¡¢<¡¢£½)¡£ÀíÓÉÊÇ_______¡£

(2)Fe¡¢Fe2£«¡¢Fe3£«¿ÉÒÔÓëCO¡¢SCN£­¡¢CN£­¡¢H2NCONH2(ÄòËØ)µÈ¶àÖÖÅäÌåÐγɺܶàµÄÅäºÏÎï¡£

¢ÙÅäºÏÎïFe(CO)5µÄÈ۵㣭20¡æ£¬·Ðµã103¡æ£¬¿ÉÓÃÓÚÖƱ¸´¿Ìú¡£Fe(CO)5µÄ½á¹¹ÈçͼËùʾ£º

ÏÂÁйØÓÚFe(CO)5˵·¨²»ÕýÈ·µÄÊÇ________¡£

A.Fe(CO)5ÊÇ·Ö×Ó¾§Ìå

B.Fe(CO)5ÖÐFeÔ­×ÓµÄÅäÌåÓëC22£­»¥ÎªµÈµç×ÓÌå

C.Fe(CO)5ÖЦҼüÓë¦Ð¼üÖ®±ÈΪ1£º1

D.Fe(CO)5£½Fe£«5CO·´Ó¦ÖÐûÓÐл¯Ñ§¼üÉú³É

¢ÚCN£­µÄµç×ÓʽΪ__________¡£

¢ÛH2NCONH2(ÄòËØ)ÖÐN¡¢CÔ­×ÓµÄÔÓ»¯·½Ê½·Ö±ðΪ__________¡¢__________£¬

×é³ÉÄòËصÄ4ÖÖÔªËصĵÚÒ»µçÀëÄÜÓÉ´óµ½Ð¡µÄ˳ÐòΪ__________£¬1 mol H2NCONH2(ÄòËØ)·Ö×ÓÖк¬ÓЦҼüµÄÊýĿΪ__________¡£

(3)NaClºÍMgO¶¼ÊôÓÚÀë×Ó»¯ºÏÎNaClµÄÈÛµãΪ801.3C£¬MgOµÄÈÛµã¸ß´ï2800¡æ¡£Ôì³ÉÁ½ÖÖ¾§ÌåÈÛµã²î¾àµÄÖ÷ÒªÔ­ÒòÊÇ________¡£

(4)FexNyµÄ¾§°ûÈçͼ1Ëùʾ£¬Cu¿ÉÒÔÍêÈ«Ìæ´ú¸Ã¾§ÌåÖÐaλÖõÄFe»òÕßbλÖõÄFe£¬ÐγÉCuÌæ´úÐͲúÎïFe(x£­n)CunNy£¬FexNyת»¯ÎªÁ½ÖÖCuµÄÌæ´úÐͲúÎïµÄÄÜÁ¿±ä»¯Èçͼ2Ëùʾ£¬ÆäÖÐÏà¶Ô²»Îȶ¨µÄCuÌæ´úÐͲúÎïµÄ»¯Ñ§Ê½Îª__________¡£

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø