»ÆÌú¿ó£¨Ö÷Òª³É·ÖΪFeS2£©ÊÇÎÒ¹ú´ó¶àÊýÁòË᳧ÖÆÈ¡ÁòËáµÄÖ÷ÒªÔ­ÁÏ£®Ä³»¯Ñ§Ñ§Ï°Ð¡×é¶Ôij»ÆÌú¿óʯ½øÐÐÈçÏÂʵÑé̽¾¿£®[ʵÑéÒ»]²â¶¨ÁòÔªËصĺ¬Á¿£®
¢ñ¡¢½«m1g¸Ã»ÆÌú¿óÑùÆ··ÅÈëÈçͼ1ËùʾװÖ㨼гֺͼÓÈÈ×°ÖÃÊ¡ÂÔ£©µÄʯӢ¹ÜÖУ¬´Óa´¦²»¶ÏµØ»º»ºÍ¨Èë¿ÕÆø£¬¸ßÎÂ×ÆÉÕʯӢ¹ÜÖеĻÆÌú¿óÑùÆ·ÖÁ·´Ó¦ÍêÈ«£®Ê¯Ó¢¹ÜÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º4FeS2+11O2
 ¸ßΠ
.
 
2Fe2O3+8SO2£®
¢ò¡¢·´Ó¦½áÊøºó£¬½«ÒÒÆ¿ÖеÄÈÜÒº½øÐÐÈçͼ2Ëùʾ´¦Àí£®

[ʵÑé¶þ]²â¶¨ÌúÔªËصĺ¬Á¿£®
¢ó¡¢²â¶¨ÌúÔªËغ¬Á¿µÄʵÑé²½ÖèÈçͼ3Ëùʾ£®

ÎÊÌâÌÖÂÛ£º
£¨1£©¢ñÖУ¬¼×Æ¿ÄÚËùÊ¢ÊÔ¼ÁÊÇ
NaOH
NaOH
ÈÜÒº£®ÒÒÆ¿ÄÚ·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽÓУº
SO2+2OH-=SO32-+H2O
SO2+2OH-=SO32-+H2O
¡¢
2SO32-+O2=2SO42-
2SO32-+O2=2SO42-
£®
£¨2£©¢òÖеÄÂËÔüÔÚ³ÆÁ¿Ç°»¹Ó¦½øÐеIJÙ×÷ÊÇ
Ï´µÓ¡¢¸ÉÔï
Ï´µÓ¡¢¸ÉÔï
£®
£¨3£©¢òÖУ¬Ëù¼ÓH2O2ÈÜÒº£¨Ñõ»¯¼Á£©Ðè×ãÁ¿µÄÀíÓÉÊÇ
ʹSO32-ÍêÈ«Ñõ»¯ÎªSO42-
ʹSO32-ÍêÈ«Ñõ»¯ÎªSO42-
£®
£¨4£©¢ÜÖÐÈ¡Ï¡ÊÍÒº25.00mlÐèÓõÄÒÇÆ÷ÊÇ
ËáʽµÎ¶¨¹Ü
ËáʽµÎ¶¨¹Ü
£®¢óµÄ²½Öè¢ÛÖУ¬ÐèÒªÓõ½µÄÒÇÆ÷³ýÉÕ±­¡¢²£Á§°ô¡¢½ºÍ·µÎ¹ÜÍ⣬»¹ÓÐ
250ml ÈÝÁ¿Æ¿
250ml ÈÝÁ¿Æ¿
£¨»­³öÆä¼òÒ××°ÖÃͼ£©£®
£¨5£©¸Ã»ÆÌú¿óÖÐÁòÔªËصÄÖÊÁ¿·ÖÊýΪ
32m2
233m1
¡Á100%
32m2
233m1
¡Á100%
£®
·ÖÎö£º£¨1£©Îª·ÀÖ¹¶þÑõ»¯Ì¼µÄ¸ÉÈÅ£¬Ó¦½«¿ÕÆøÖеĶþÑõ»¯Ì¼ÓüîÒº³ýµô£»¶þÑõ»¯ÁòÄܺÍÇâÑõ»¯ÄÆ·´Ó¦Éú³ÉÑΣ»ÑÇÁòËá¸ùÀë×ÓÄܱ»ÑõÆøÑõ»¯Éú³ÉÁòËá¸ùÀë×Ó£»
£¨2£©Îª×¼È·³ÆÁ¿¹ÌÌåµÄÖÊÁ¿£¬ÔÚ³ÆÁ¿Ö®Ç°ÐèÏ´µÓºÍ¸ÉÔ
£¨3£©Îª¼õÉÙʵÑéÎó²î£¬×îºóʹÍêȫת»¯³ÉSO42-£¬´Ó¶øÍêÈ«Éú³ÉÁòËá±µ³Áµí£»Ë«ÑõË®×ãÁ¿Ê±²ÅÄܽ«ÑÇÁòËá¸ùÀë×ÓÍêȫת»¯£»
£¨4£©¸ù¾ÝÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖÆÖи÷ÒÇÆ÷µÄ×÷ÓÃÑ¡È¡ÒÇÆ÷£»
£¨5£©¸ù¾ÝÁòÔ­×ÓÊغã¼ÆËãÁòÌú¿óÖÐÁòµÄÖÊÁ¿£¬´Ó¶ø¼ÆËãÆäÖÊÁ¿·ÖÊý£®
½â´ð£º½â£º£¨1£©¿ÕÆøÖк¬ÓжþÑõ»¯Ì¼£¬ÄܺÍÒÒÖеÄÇâÑõ»¯ÄÆ·´Ó¦Éú³É̼ËáÄÆ£¬Ì¼ËáÄƺÍÂÈ»¯±µ·´Ó¦Éú³É̼Ëá±µµ¼Ö³ÁµíÁ¿Ôö´ó£¬´Ó¶øµ¼Ö¸ÉÈÅÁòÔªËصIJⶨ£¬ËùÒÔÒª°Ñ¿ÕÆøÖжþÑõ»¯Ì¼³ýÈ¥£¬ÓÃÇâÑõ»¯ÄÆ»òÇâÑõ»¯¼ØÈÜÒº³ýÈ¥¼´¿É£¬ËùÒÔ¼×ÖÐÊ¢·ÅµÄÊÇÇâÑõ»¯ÄÆÈÜÒº»òÇâÑõ»¯¼ØÈÜÒº£»
ÒÒÖжþÑõ»¯ÁòºÍÇâÑõ»¯ÄÆ·´Ó¦Éú³ÉÑÇÁòËáÄÆ£¬Àë×Ó·½³ÌʽΪ SO2+2OH-=SO32-+H2O£¬ÑÇÁòËáÄƺÍÑõÆø·´Ó¦Éú³ÉÁòËáÄÆ£¬Àë×Ó·½³ÌʽΪ2SO32-+O2=2SO42-£¬
¹Ê´ð°¸Îª£ºNaOH£»SO2+2OH-=SO32-+H2O£»2SO32-+O2=2SO42-£»
£¨2£©Îª×¼È·³ÆÁ¿¹ÌÌåµÄÖÊÁ¿£¬ÔÚ³ÆÁ¿Ö®Ç°ÐèÏ´µÓºÍ¸ÉÔ¹Ê´ð°¸Îª£ºÏ´µÓ¡¢¸ÉÔ
£¨3£©ÎªÊ¹ÑÇÁòËá¸ùÀë×ÓÍêȫת»¯ÎªÁòËá¸ùÀë×Ó£¬¼ÓÈëµÄË«ÑõˮҪ×ãÁ¿£¬¹Ê´ð°¸Îª£ºÊ¹SO32-ÍêÈ«Ñõ»¯ÎªSO42-£»
£¨4£©¢ÜÖÐÈ¡Ï¡ÊÍÒº25.00ml£¬ÈÜÒºÊÇËáÐÔÈÜÒº£¬Ìå»ýÊý¾ÝÒªÇóµ½Ð¡ÊýµãºóÁ½Î»£¬ÐèÓõÄÒÇÆ÷ÊÇËáʽµÎ¶¨¹Ü£¬¢óµÄ²½Öè¢ÛÖУ¬Ò»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖÆÖУ¬³ýÁËÉÕ±­¡¢²£Á§°ô¡¢½ºÍ·µÎ¹ÜÍ⣬»¹ÐèÒª250mLÈÝÁ¿Æ¿£¬ÈÝÁ¿Æ¿×°ÖÃͼΪ£º£¬¹Ê´ð°¸Îª£ºËáʽµÎ¶¨¹Ü£»250mLÈÝÁ¿Æ¿£»
£¨5£©×îÖÕËùµÃ³ÁµíÊÇÁòËá±µ£¬¸ù¾ÝÁòÔ­×ÓÊغãµÃÁòµÄÖÊÁ¿£¬ÉèÁòµÄÖÊÁ¿Îªx£¬
S-----BaSO4
32g   233g
x     m2g
x=
32m2
233
g
ÖÊÁ¿·ÖÊý=
32m2
233
m1
¡Á100%=
32m2
233m1
¡Á100%£»
¹Ê´ð°¸Îª£º
32m2
233m1
¡Á100%£®
µãÆÀ£º±¾Ì⿼²éÁË̽¾¿ÎïÖʵĺ¬Á¿ÊµÑ飬¸ù¾ÝÔªËØ»¯ºÏÎïµÄÐÔÖÊÀ´·ÖÎö½â´ð¼´¿É£¬ÄѶȲ»´ó£¬×¢ÒâΪ·ÀÖ¹¿ÕÆøÖжþÑõ»¯Ì¼µÄ¸ÉÈÅ£¬Í¨ÈëʯӢ¹ÜÖеĿÕÆøÒªÏȳýÈ¥¶þÑõ»¯Ì¼£¬ÎªÒ×´íµã£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2007ÄêÆÕͨ¸ßµÈѧУÕÐÉúÈ«¹úͳһ¿¼ÊÔ¡¢»¯Ñ§(¹ã¶«¾í) ÌâÐÍ£º038

»ÆÌú¿ó(Ö÷Òª³É·ÖΪFeS2)Êǹ¤ÒµÖÆÈ¡ÁòËáµÄÖØÒªÔ­ÁÏ£¬ÆäìÑÉÕ²úÎïΪSO2ºÍFe3O4£®

(1)

½«0.050molSO2(g)ºÍ0.030molO2(g)·ÅÈëÈÝ»ýΪ1LµÄÃܱÕÈÝÆ÷ÖУ¬·´Ó¦£º2SO2(g)£«O2(g)2SO3(g)ÔÚÒ»¶¨Ìõ¼þÏ´ﵽƽºâ£¬²âµÃc(SO3)£½0.040mol/L£®¼ÆËã¸ÃÌõ¼þÏ·´Ó¦µÄƽºâ³£ÊýKºÍSO2µÄƽºâת»¯ÂÊ(д³ö¼ÆËã¹ý³Ì)£®

(2)

ÒÑÖªÉÏÊö·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬µ±¸Ã·´Ó¦´¦ÓÚƽºâ״̬ʱ£¬ÔÚÌå»ý²»±äµÄÌõ¼þÏ£¬ÏÂÁдëÊ©ÖÐÓÐÀûÓÚÌá¸ßSO2ƽºâת»¯ÂʵÄÓÐ________(Ìî×Öĸ)

A¡¢Éý¸ßζÈ
B¡¢½µµÍζÈ
C¡¢Ôö´óѹǿ
D¡¢¼õСѹǿ
E¡¢¼ÓÈë´ß»¯¼Á
F¡¢ÒƳöÑõÆø

(3)

SO2βÆøÓñ¥ºÍNa2SO3ÈÜÒºÎüÊտɵõ½¸üÒªµÄ»¯¹¤Ô­ÁÏ£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ________£®

(4)

½«»ÆÌú¿óµÄìÑÉÕ²úÎïFe3O4ÈÜÓÚH2SO4ºó£¬¼ÓÈëÌú·Û£¬¿ÉÖƱ¸FeSO4£®ËáÈܹý³ÌÖÐÐè±£³ÖÈÜÒº×ã¹»ËáÐÔ£¬ÆäÔ­ÒòÊÇ________£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

»ÆÌú¿ó(Ö÷Òª³É·ÖΪFeS2)Êǹ¤ÒµÖÆÈ¡ÁòËáµÄÖØÒªÔ­ÁÏ£¬ÆäìÑÉÕ²úÎïΪSO2ºÍFe3O4¡£

(1)½«0.050 mol SO2(g)ºÍ0.030 mol O2(g)·ÅÈëÈÝ»ýΪ1 LµÄÃܱÕÈÝÆ÷ÖУ¬·´Ó¦£º2SO2(g)+O2(g) 2SO3(g)ÔÚÒ»¶¨Ìõ¼þÏ´ﵽƽºâ£¬²âµÃc(SO3)=0.040 mol¡¤L-1¡£¼ÆËã¸ÃÌõ¼þÏÂSO2µÄƽºâת»¯ÂÊ(д³ö¼ÆËã¹ý³Ì)¡£

(2)ÒÑÖªÉÏÊö·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬µ±¸Ã·´Ó¦´¦ÓÚƽºâ״̬ʱ£¬ÔÚÌå»ý²»±äµÄÌõ¼þÏ£¬ÏÂÁдëÊ©ÖÐÓÐÀûÓÚÌá¸ßSO2ƽºâת»¯ÂʵÄÓÐ___________(Ìî×Öĸ)¡£

A.Éý¸ßζȠ B.½µµÍζȠ C.Ôö´óѹǿ  D.¼õСѹǿ  E.¼ÓÈë´ß»¯¼Á  F.ÒƳöÑõÆø

(3)SO2βÆøÓñ¥ºÍNa2SO3ÈÜÒºÎüÊտɵõ½¸üÖØÒªµÄ»¯¹¤Ô­ÁÏ£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ___________________________¡£

(4)½«»ÆÌú¿óµÄìÑÉÕ²úÎïFe3O4ÈÜÓÚH2SO4ºó£¬¼ÓÈëÌú·Û£¬¿ÉÖƱ¸FeSO4¡£ËáÈܹý³ÌÖÐÐè±£³ÖÈÜÒº×ã¹»ËáÐÔ£¬ÆäÔ­ÒòÊÇ_______________________________________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄêËÄ´¨Ê¡Ã¼É½ÊиßÈýµÚÒ»´ÎÕï¶ÏÐÔ¿¼ÊÔ»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ÁòËáÔüÊÇÓûÆÌú¿óÖÆÔìÁòËá¹ý³ÌÖÐÅųöµÄ·ÏÔü£¬Ö÷Òª»¯Ñ§³É·ÖΪSiO2Ô¼45%£¬Fe2O3Ô¼40%£¬Al2O3Ô¼10%£¬MgOÔ¼5%¡£Ä¿Ç°ÎÒ¹úÒѾ­ÔÚ¼¼ÊõÉÏÈ¡µÃÍ»ÆÆ¡ª¡ª´ÓÁòËáÔüÖзÖÀë³ö¸÷Öֳɷֲ¢¼ÓÒÔÀûÓá£ÆäÁ÷³ÌºÍÏà¹ØÊý¾ÝÈçÏ£º

²é×ÊÁϵÃÖª£º

ÎïÖÊÃû³Æ

ÈܶȻý(Ksp)

pHÖµ

¿ªÊ¼³Áµí

ÍêÈ«³Áµí

Mg(OH)2

5.6¡Á10£­12

9.3

10.8

Fe(OH)3

2.8¡Á10£­16

2.7

3.7

Al(OH)3

1.3¡Á10£­33

3.7

4.7

 

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Ð´³ö¹ÌÌåAµÄ»¯Ñ§Ê½Îª           ¡£

£¨2£©ÈôÒª²â¶¨ÈÜÒºµÄpHÊÇ·ñ´ïµ½3.7£¬ÏÂÁÐʵÑéÓÃÆ·ÖпÉÑ¡ÓõÄÊÇ       ¡£

A£®Ê¯ÈïÊÔÒº     B£®¹ã·ºpHÊÔÖ½    C£®¾«ÃÜpHÊÔÖ½    D£®pH¼Æ

£¨3£©Íê³ÉÏÂÁÐÀë×Ó·´Ó¦·½³Ìʽ

¢ÙÈÜÒºDÉú³É¹ÌÌåE      £»       ¢ÚÈÜÒºFÉú³É¹ÌÌåG       ¡£

£¨4£©Òª½«¹ÌÌåC¡¢¹ÌÌåEºÍ¹ÌÌåG¶¼×ª»¯ÎªÏàÓ¦µÄÎȶ¨Ñõ»¯ÎÐè½øÐеÄʵÑé²Ù×÷Ϊ      ¡£

£¨5£©Èô²»¿¼ÂÇÈÜÒºÌå»ýµÄ±ä»¯£¬Çë¼ÆËãÈÜÒºHÖÐc£¨Mg2£«£©=       ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£ºÍ¬²½Ìâ ÌâÐÍ£ºÌî¿ÕÌâ

»ÆÌú¿ó£¨Ö÷Òª³É·ÖΪFeS2£©Êǹ¤ÒµÖÆÈ¡ÁòËáµÄÖØÒªÔ­ÁÏ£¬ÆäìÑÉÕ²úÎïΪSO2ºÍFe3O4¡£
(1)½«0.050 mol SO2(g)ºÍ0.030 mol O2(g)·ÅÈëÈÝ»ýΪ1LµÄÃܱÕÈÝÆ÷ÖУ¬·´Ó¦ÔÚÒ»¶¨Ìõ¼þÏ´ﵽƽºâ£¬²âµÃ
c(SO3)= 0. 040 mol/L¡£¼ÆËã¸ÃÌõ¼þÏ·´Ó¦µÄƽºâ³£ÊýK ºÍSO2µÄƽºâת»¯ÂÊ£¨Ð´³ö¼ÆËã¹ý³Ì£©¡£
 (2)ÒÑÖªÉÏÊö·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬µ±¸Ã·´Ó¦´¦ÓÚƽºâ״̬ʱ£¬ÔÚÌå»ý²»±äµÄÌõ¼þÏ£¬ÏÂÁдëÊ©ÖÐÓÐÀûÓÚÌá¸ß SO2ƽºâת»¯ÂʵÄÓÐ____£¨Ìî×Öĸ£©¡£
A£®Éý¸ßÎÂ¶È B£®½µµÍÎÂ¶È C£®Ôö´óѹǿ D£®¼õСѹǿ E£®¼ÓÈë´ß»¯¼Á F£®ÒƳöÑõÆø
(3)SO2βÆøÓñ¥ºÍNa2SO3ÈÜÒºÎüÊտɵõ½ÖØÒª»¯¹¤Ô­ÁÏ£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ___________________¡£
(4)½«»ÆÌú¿óµÄȼÁϲúÎïFe3O4ÈÜÓÚH2SO4ºó£¬¼ÓÈëÌú·Û£¬¿ÉÖƱ¸FeSO4¡£ËáÈܹý³ÌÖÐÐè±£³ÖÈÜÒº×ã¹»ËáÐÔ£¬ÆäÔ­ÒòÊÇ__________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

»¯Ñ§¹¤ÒµÔÚ¹úÃñ¾­¼ÃÖÐÕ¼Óм«ÆäÖØÒªµÄµØ룬½­ËÕÊ¡ÊǹúÄÚ×îÔçµÄÁòËáÉú²ú»ùµØÖ®Ò»¡£Ö÷Òª·½³ÌʽºÍÖ÷ÒªÉ豸: £¨»ÆÌú¿óµÄÖ÷Òª³É·ÖΪFeS2£© 4FeS2+11O2 = 2Fe2O3+8SO2 £¨·ÐÌÚ¯£©  2SO2+O22SO£¨½Ó´¥ÊÒ£©    SO3+H2O=H2SO4£¨ÎüÊÕËþ£©

£¨1£©ÁòËáÉú²úÖУ¬¸ù¾Ý»¯Ñ§Æ½ºâÔ­ÀíÀ´È·¶¨µÄÌõ¼þ»ò´ëÊ©ÓР         £¨ÌîдÐòºÅ£©¡£

        A£®¿óʯ¼ÓÈë·ÐÌÚ¯֮ǰÏÈ·ÛËé      B£®½Ó´¥Êҵķ´Ó¦Ê¹ÓÃV2O5×÷´ß»¯¼Á

C£®½Ó´¥ÊÒÖв»Ê¹ÓúܸߵÄζȠ     D£®¾»»¯ºó¯ÆøÖÐÒªÓйýÁ¿µÄ¿ÕÆø

E£®½Ó´¥ÊÒÖеÄÑõ»¯ÔÚ³£Ñ¹Ï½øÐР   F£®ÎüÊÕËþÖÐÓÃ98.3%µÄŨÁòËáÎüÊÕSO3

£¨2£©0.1mol/LµÄNaHSO3ÈÜÒºÖУ¬ÓйØÁ£×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòΪ£º

   c £¨Na+£©£¾c £¨HSO3£­£©£¾c £¨SO32£­£©£¾c £¨H2SO3£©

¢Ù¸ÃÈÜÒºÖÐc £¨H+£©        c £¨OH£­£©£¨Ìî¡°£¾¡±¡¢¡°£½¡± »ò¡°£¼¡± £©£¬ÆäÀíÓÉÊÇ£¨ÓÃÀë×Ó·½³Ìʽ±íʾ£©£º                                      ¡£

¢ÚÏÖÏòNaHSO3ÈÜÒºÖУ¬ÖðµÎ¼ÓÈëÉÙÁ¿º¬ÓзÓ̪µÄNaOHÈÜÒº£¬¿É¹Û²ìµ½µÄÏÖÏóÊÇ                    £¬·´Ó¦µÄÀë×Ó·½³ÌʽΪ£º                     ¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸