5£®ÁòËáÊÇÖØÒªµÄ»ù´¡»¯¹¤Ô­ÁÏÖ®Ò»£¬ÊÇ»¯Ñ§¹¤ÒµÖÐ×îÖØÒªµÄ²úÆ·£®ÓÉÓÚ½ø¿ÚÁò»ÇÒ»Ö±Ôڸ߼ÛλÔËÐУ¬ÔÚÎÒ¹úÖ÷ÒªÒÔ»ÆÌú¿óΪԭÁÏÖÆÁòËᣮÁòËṤҵËù²úÉúµÄβÆø³ýÁ˺¬ÓÐN2¡¢O2Í⣬»¹º¬ÓÐSO2¡¢Î¢Á¿µÄSO3ºÍËáÎí£®ÎªÁ˱£»¤»·¾³£¬Í¬Ê±Ìá¸ß×ۺϾ­¼ÃЧÒ棬Ӧ¾¡¿ÉÄܽ«Î²ÆøÖеÄSO2ת»¯ÎªÓÐÓõĸ±²úÆ·£®Çë°´ÒªÇó»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©½«Î²ÆøͨÈ백ˮÖУ¬»á·¢Éú¶à¸ö·´Ó¦£¬Ð´³ö¿ÉÄÜ·¢ÉúµÄÊôÓÚÑõ»¯»¹Ô­·´Ó¦µÄÁ½¸ö»¯Ñ§·½³Ìʽ2£¨NH4£©2SO3+O2¨T2£¨NH4£©2SO4¡¢2NH4HSO3+O2¨T2NH4HSO4£®
£¨2£©ÔÚβÆøÓ백ˮ·´Ó¦ËùµÃµ½µÄ¸ßŨ¶ÈÈÜÒºÖУ¬°´Ò»¶¨±ÈÀý¼ÓÈ백ˮ»ò̼ËáÇâ泥¬´ËʱÈÜÒºµÄζȻá×ÔÐнµµÍ£¬²¢Îö³ö¾§Ì壮
¢ÙÎö³öµÄ¾§Ìå¿ÉÓÃÓÚÔìÖ½¹¤Òµ£¬Ò²¿ÉÓÃÓÚÕÕÏàÓÃÏÔÓ°ÒºµÄÉú²ú£®ÒÑÖª¸Ã½á¾§Ë®ºÏÎïµÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª134£¬ÔòÆ仯ѧʽΪ£¨NH4£©2SO3•H2O£»
¢ÚÉú²úÖÐÍùÍùÐèÒªÏòÈÜÒºÖмÓÈëÊÊÁ¿µÄ¶Ô±½¶þ·Ó»ò¶Ô±½¶þ°·µÈÎïÖÊ£¬ÆäÄ¿µÄÊÇ·ÀÖ¹ÑÇÁòËá隣»Ñõ»¯£®
£¨3£©ÄÜÓÃÓڲⶨÁòËáβÆøÖÐSO2º¬Á¿µÄÊÇBC£®£¨Ìî×Öĸ£©
£¨A£©NaOHÈÜÒº¡¢·Ó̪ÊÔÒº     £¨B£©KMnO4ÈÜÒº¡¢Ï¡H2SO4
£¨C£©µâË®¡¢µí·ÛÈÜÒº           £¨D£©°±Ë®¡¢Ê¯ÈïÊÔÒº£®

·ÖÎö £¨1£©¶þÑõ»¯ÁòÖеÄÁòΪ+4¼Û£¬¾ßÓл¹Ô­ÐÔ£¬¿ÕÆøÖеÄÑõÆø¾ßÓÐÑõ»¯ÐÔ£»
£¨2£©Îö³öµÄ¾§ÌåΪ£¨NH4£©2SO3¡¢NH4HSO3Á½ÖÖÖеÄÒ»ÖÖ´øÈô¸É½á¾§Ë®£¬ÑÇÁòËá°±ÖеÄÁòΪ+4¼Û£¬Ò×±»¿ÕÆøÖеÄÑõÆøÑõ»¯£»
£¨3£©KMnO4ÈÜÒº¡¢Ï¡H2SO4 ÄÜÑõ»¯¶þÑõ»¯Áò£¬ÇÒ×ÏÉ«µÄKMnO4ÈÜÒºÍÊÉ«£¬µâÓë¶þÑõ»¯Áò·¢ÉúÑõ»¯»¹Ô­·´Ó¦£¬µí·ÛÓöµâÏÔÀ¶É«£®

½â´ð ½â£º£¨1£©½«Î²ÆøͨÈ백ˮÖУ¬Î²ÆøÖеÄSO2Ó백ˮ·´Ó¦£¬°±Ë®ÉÙÁ¿Ê±£ºSO2+NH3•H2O=NH4HSO3£»°±Ë®¹ýÁ¿Ê±£ºSO2+2NH3•H2O=£¨NH4£©2SO3+H2O£¬Éú³ÉµÄÑÎÖÐÁòµÄ»¯ºÏ¼ÛΪ+4¼Û£¬ÓöÑõ»¯¼ÁÑõÆøÄÜÉý¸ßµ½+6¼Û£»
¹Ê´ð°¸Îª£º2£¨NH4£©2SO3+O2¨T2£¨NH4£©2SO4£»2NH4HSO3+O2¨T2NH4HSO4£»
£¨2£©¢ÙÔÚβÆøÓ백ˮ·´Ó¦ËùµÃµ½µÄ¸ßŨ¶ÈÈÜÒºÖУ¬°´Ò»¶¨±ÈÀý¼ÓÈ백ˮ»ò̼ËáÇâ泥¬°±Ë®¹ýÁ¿£¬Èç¹ûÉú³ÉNH4HSO3£¬Ëü½«Óë̼ËáÇâ立´Ó¦£¬ÒòΪÑÇÁòËáµÄËáÐÔ±È̼ËáÇ¿£¬¹Ê¸Ã½á¾§Ë®ºÏÎïΪ£¨NH4£©2SO3´øÈô¸É½á¾§Ë®£¬£¨NH4£©2SO3µÄʽÁ¿Îª116£®ÒÑÖª¸Ã½á¾§Ë®ºÏÎïµÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª134£¬134-116=18£¬¼´¾§ÌåÖк¬ÓÐ1¸ö½á¾§Ë®£¬Ôò»¯Ñ§Ê½Îª£¨NH4£©2SO3•H2O£»
¹Ê´ð°¸Îª£º£¨NH4£©2SO3•H2O£»
¢Ú¶Ô±½¶þ·Ó¾ßÓл¹Ô­ÐÔ£¬¿ÕÆøÖеÄÑõÆø¾ßÓÐÑõ»¯ÐÔ£¬ÑÇÁòËá°±ÖÐ+4¼ÛµÄÁò¾ßÓл¹Ô­ÐÔ£®
¹Ê´ð°¸Îª£º·ÀÖ¹ÑÇÁòËá隣»Ñõ»¯£»
£¨3£©KMnO4ÈÜÒº¡¢Ï¡H2SO4 Óë¶þÑõ»¯Áò·´Ó¦µÄ·½³ÌʽΪ£º5SO2+2MnO4-+2H2O=2Mn2++4H++5SO42-£¬µâÓë¶þÑõ»¯Áò·¢ÉúÑõ»¯»¹Ô­µÄ·½³ÌʽΪ£ºSO2+I2+2H2O=H2SO4+2HI£¬µâÏûºÄÍ꣬µí·ÛÒòûÓеⵥÖʲ»ÔÙÏÔÀ¶É«£»
¹Ê´ð°¸Îª£ºBC£®

µãÆÀ ±¾Ì⿼²éÁËÑõ»¯»¹Ô­·´Ó¦¡¢Àë×Ó·½³ÌʽµÄÊéд¡¢ÎïÖʵļìÑé¡¢ÔªËØ»¯ºÏÎïµÄÐÔÖÊ£¬ÌâÄ¿ÄѶÈÖеȣ¬²àÖØÓÚ¿¼²éѧÉúµÄ·ÖÎöÄÜÁ¦ºÍ¶Ô»ù´¡ÖªÊ¶µÄ×ÛºÏÓ¦ÓÃÄÜÁ¦£¬×¢Òâ´Ó»¯ºÏ¼ÛµÄ½Ç¶È·ÖÎöÑõ»¯»¹Ô­·´Ó¦£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

5£®¹¤ÒµÉÏÓÃijÖÖÑõ»¯ÂÁ¿óʯ£¨º¬Fe2O3ÔÓÖÊ£©ÎªÔ­ÁÏÒ±Á¶ÂÁµÄ¹¤ÒÕÁ÷³ÌÈçͼ£º

ÒÑÖª£º¢ÙNa2SiO3+2CO2£¨¹ýÁ¿£©+2H2O¨TH2SiO3¡ý+2NaHCO3£¬NaAlO2Ò²ÓдËÀàËƵķ´Ó¦£®
¢Ú×öYµÄÑæÉ«·´Ó¦ÊµÑ飬»ðÑæΪ»ÆÉ«£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©XµÄ»¯Ñ§Ê½ÎªNaOH£»Ð´³öAl2O3µÄÒ»ÖÖÓÃ;¿ÉÓÃÓÚÒ±Á¶½ðÊôÂÁ»òÓÃ×÷ÄÍ»ð²ÄÁÏ£®
£¨2£©·´Ó¦ IµÄÀë×Ó·½³ÌʽΪAl2O3+2OH-=2AlO2-+H2O£®
£¨3£©Èç¹ûºöÂÔ¹ýÁ¿µÄX£¬Ôò·´Ó¦ IIÖÐÉú³ÉAl£¨OH£©3µÄ»¯Ñ§·½³ÌʽΪNaAlO2+CO2+2H2O=Al£¨OH£©3¡ý+NaHCO3£®
£¨4£©ÒÑÖªÔÚ¸ßÎÂÏÂAlÄÜÓë´ÅÐÔÑõ»¯Ìú·¢ÉúÖû»·´Ó¦£¬¸Ã·´Ó¦»¯Ñ§·½³ÌʽΪ9Al+3Fe3O4$\frac{\underline{\;¸ßÎÂ\;}}{\;}$9Fe+4Al2O3
£¨5£©ÏòÈÜÒºÒÒÖÐͨÈë¹ýÁ¿µÄCO2ºóÐèÒª¹ýÂË¡¢Ï´µÓ£¬·½¿ÉµÃµ½²»º¬ÔÓÖÊ£¨Ë®·Ö³ýÍ⣩µÄAl£¨OH£©3£®Ï´µÓ³ÁµíµÄ·½·¨Êǽ«³ÁµíÖÃÓÚ¹ýÂËÆ÷ÖУ¨»òÏò©¶·ÖУ©£¬¼ÓÕôÁóË®ÖÁ¸ÕºÃ½þû³Áµí£¬´ýË®Á÷¾¡£¬Öظ´2¡«3´Î£»¹ýÂËʱ±ØÐëÓõ½µÄ²£Á§ÒÇÆ÷ÓЩ¶·¡¢²£Á§°ô¡¢ÉÕ±­£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

6£®ÏÂÁÐÓйØʵÑé²Ù×÷¡¢ÏÖÏóºÍ½áÂÛ¶¼ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
Ñ¡ÏîʵÑé²Ù×÷ÏÖÏó½áÂÛ
AÏòÏ¡ÏõËáÖмÓÈë¹ýÁ¿µÄÌú·Û³ä·Ö·´Ó¦ºó£¬µÎÈëKSCNÈÜÒºÈÜÒº±äΪѪºìÉ«HNO3¾ßÓÐÑõ»¯ÐÔ£¬Äܽ«FeÑõ»¯³ÉFe3+
BÏòÊ¢ÓÐijÈÜÒºµÄÊÔ¹ÜÖеμÓNaOHÈÜÒº£¬½«ÊªÈóµÄºìɫʯÈïÊÔÖ½ÖÃÓÚÊԹܿÚÊÔÖ½ÑÕÉ«ÎÞÃ÷ÏԱ仯ԭÈÜÒºÖÐÎÞNH4+
CÏòµí·ÛÈÜÒºÖмÓÈëÏ¡ÁòËᣬ¼ÓÈÈ£¬ÀäÈ´ºó¼ÓÈëÐÂÖÆCu£¨OH£©2£¬ÔÙ¼ÓÈÈδ¼ûºìÉ«³Áµíµí·Ûδ·¢ÉúË®½â
DÏòº¬ÓзÓ̪µÄNa2CO3ÈÜÒºÖмÓÈëÉÙÁ¿BaCl2¹ÌÌåÈÜÒººìÉ«±ädz֤Ã÷Na2CO3ÈÜÒºÖдæÔÚË®½âƽºâ
A£®AB£®BC£®CD£®D

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

3£®ÉèNA±íʾ°¢·ü¼ÓµÂÂÞµÄÊýÖµ£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ        £¨¡¡¡¡£©
A£®±ê×¼×´¿öÏ£¬3.36LC2H4ºÍC3H6µÄ»ìºÏÆøÌåÖк¬ÓÐ̼̼˫¼üµÄÊýĿΪ0.15NA
B£®0.1mol•L-1£¨NH4£©2SO4ÈÜÒºÓë0.2mol•L-1NH4ClÈÜÒºÖеÄNH4+ÊýÄ¿Ïàͬ
C£®H2ºÍCO»ìºÏÆøÌå8.96LÔÚ×ãÁ¿O2Öгä·ÖȼÉÕÏûºÄO2·Ö×ÓÊýΪ0.2NA
D£®º¬0.1molNH4HSO4µÄÈÜÒºÖУ¬ÑôÀë×ÓÊýÄ¿ÂÔ´óÓÚ0.21NA

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

10£®ÀûÓ÷ϾÉпÌúƤÖƱ¸´ÅÐÔFe3O4½ºÌåÁ£×Ó¼°¸±²úÎïZnOµÄÒ»ÖÖÖƱ¸Á÷³ÌͼÈçÏ£º

ÒÑÖª£ºKsp[Zn£¨OH£©2]=1.2¡Á10-17£»Zn£¨OH£©2¼ÈÄÜÈÜÓÚÇ¿ËᣬÓÖÄÜÈÜÓÚÇ¿¼î£®»¹ÄÜÈÜÓÚ°±Ë®£¬Éú³É[Zn£¨NH3£©4]2+£®
£¨1£©ÈÜÒºAÖмÓÏ¡H2SO4Éú³ÉZn£¨OH£©2µÄÀë×Ó·½³ÌʽΪZnO22-+2H+=Zn£¨OH£©2¡ý£®
£¨2£©³£ÎÂÏ£¬Zn£¨OH£©2±¥ºÍÈÜÒºÖÐc£¨Zn2+£©=3¡Á10-6mol/L£¬ÈôÈÜÒºAÖмÓÈëÏ¡H2SO4¹ýÁ¿£¬»áÈܽâ²úÉúµÄZn£¨OH£©2£¬Zn£¨OH£©2¿ªÊ¼ÈܽâµÄpHΪ8.3£¬Îª·ÀÖ¹Zn£¨OH£©2Èܽ⣬¿É½«Ï¡H2SO4¸ÄΪCO2£®£¨lg2=0.3£©
£¨3£©¡°²¿·ÖÑõ»¯¡±½×¶Î£¬NaClO3±»»¹Ô­ÎªCl-£¬»¹Ô­¼ÁÓëÑõ»¯¼Á·´Ó¦µÄÎïÖʵÄÁ¿Ö®±ÈÊÇ6£º1£®
£¨4£©¢ÙÓÉÈÜÒºBÖƵÃFe3O4½ºÌåÁ£×ӵĹý³ÌÖÐͨÈëN2µÄÔ­ÒòÊÇ·ÀÖ¹Fe2+[»òFe£¨OH£©2]±»¿ÕÆø£¨»òÑõÆø£©Ñõ»¯£®
¢ÚFe3O4½ºÌåÁ£×ÓµÄÖ±¾¶µÄ·¶Î§ÊÇ1¡«100nm£®
¢ÛÈ·¶¨ÂËÒºBÖк¬ÓÐFe2+µÄÊÔ¼ÁÊÇK3[Fe£¨CN£©6]ÈÜÒº»òËáÐÔ¸ßÃÌËá¼ØÈÜÒº£®
£¨5£©ÊÔ½âÊÍÔÚʵÑéÊÒ²»ÊÊÒËÓÿÉÈÜÐÔпÑÎÓ백ˮ·´Ó¦ÖƱ¸ÇâÑõ»¯Ð¿µÄÔ­Òò¿ÉÈÜÐÔпÑÎÓ백ˮ·´Ó¦²úÉúµÄÇâÑõ»¯Ð¿ÒªÈÜÓÚ¹ýÁ¿µÄ°±Ë®ÖУ¬Éú³É[Zn£¨NH3£©4]2+£¬°±Ë®µÄÁ¿²»Ò׿ØÖÆ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÍƶÏÌâ

10£®ÎåÖÖ¹ÌÌåÎïÖÊ A¡¢B¡¢C¡¢D¡¢E ÓÉϱíÖв»Í¬µÄÒõÑôÀë×Ó×é³É£¬ËüÃǾùÒ×ÈÜÓÚË®£®
·Ö±ðÈ¡ËüÃǵÄË®ÈÜÒº½øÐÐʵÑ飬½á¹ûÈçÏ£º
ÑôÀë×ÓNa+Al3+Fe3+Cu2+ Ba2+
ÒõÀë×ÓOH-Cl-CO32-NO3-SO42-
¢ÙA ÈÜÒºÓë C ÈÜÒº»ìºÏºó²úÉúÀ¶É«³Áµí£¬Ïò¸Ã³ÁµíÖмÓÈë×ãÁ¿Ï¡ HNO3£¬³Áµí²¿·ÖÈܽ⣬ʣÓà °×É«¹ÌÌ壻
¢ÚB ÈÜÒºÓë E ÈÜÒº»ìºÏºó²úÉúºìºÖÉ«³Áµí£¬Í¬Ê±²úÉú´óÁ¿ÆøÌ壻
¢ÛÉÙÁ¿ C ÈÜÒºÓë D ÈÜÒº»ìºÏºó²úÉú°×É«³Áµí£¬¹ýÁ¿ C ÈÜÒºÓë D ÈÜÒº»ìºÏºóÎÞÏÖÏó£»
¢ÜB ÈÜÒºÓë D ÈÜÒº»ìºÏºóÎÞÏÖÏó£»
¢Ý½« 38.4g Cu Æ¬Í¶Èë×°ÓÐ×ãÁ¿ D ÈÜÒºµÄÊÔ¹ÜÖУ¬Cu Æ¬²»Èܽ⣬ÔٵμӠ1.6mol/L Ï¡ H2SO4£¬Cu Öð½¥Èܽ⣬¹Ü¿Ú¸½½üÓкì×ØÉ«ÆøÌå³öÏÖ£®
£¨1£©¾Ý´ËÍƶϠA µÄ»¯Ñ§Ê½Îª£ºACuSO4£»BFeCl3
£¨2£©Ð´³ö¹ýÁ¿ C Óë D ·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽAl3++4OH-=AlO2-+2H2O£®
£¨3£©B ÈÜÒºÖеÎÈëʯÈïÊÔÒº£¬ÏÖÏóÊÇÈÜÒº±äºì£¬Ô­ÒòÊÇFe3++3H2O?Fe£¨OH£©3+3H+£¨ÓÃÀë×Ó·½³Ìʽ˵Ã÷£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

17£®Ä³Ð¡×éÒÔCoCl2•6H2O¡¢NH4Cl¡¢H2O2¡¢Å¨°±Ë®ÎªÔ­ÁÏ£¬ÔÚ»îÐÔÌ¿´ß»¯Ï£¬ºÏ³ÉÁ˳ȻÆÉ«¾§ÌåCox£¨NH3£©y ClZ£®Îª²â¶¨Æä×é³É£¬½øÐÐÈçÏÂʵÑ飮
¢ñ£®°±µÄ²â¶¨£º¾«È·³ÆÈ¡wgÑùÆ·£¬¼ÓÊÊÁ¿Ë®Èܽ⣬עÈëÈçͼËùʾµÄÈý¾±Æ¿ÖУ¬È»ºóÖðµÎ¼ÓÈë×ãÁ¿10%NaOHÈÜÒº£¬Í¨ÈëË®ÕôÆø£¬½«ÑùÆ·ÒºÖеݱȫ²¿Õô³ö£¬ÓÃV1mLc1mol•L-1µÄÑÎËá±ê×¼ÈÜÒºÎüÊÕ£®Õô°±½áÊøºóȡϽÓÊÕÆ¿£¬ÓÃc2mol•L-1 NaOH±ê×¼ÈÜÒºµÎ¶¨¹ýÊ£µÄHCl£¬µ½ÖÕµãʱÏûºÄV2mLNaOHÈÜÒº£®
°±µÄ²â¶¨×°Öã¨ÒÑÊ¡ÂÔ¼ÓÈȺͼӳÖ×°Öã©
¢ò£®ÂȵIJⶨ£ºÁí׼ȷ³ÆÈ¡wgÑùÆ·£¬Åä³ÉÈÜÒººóÓÃAgNO3±ê×¼ÈÜÒºµÎ¶¨£®ÒÑÖª£ºAgClΪ°×É«³ÁµíKsp£¨AgCl£©=1.8¡Á10-10£»Ag2CrO4ΪשºìÉ«³Áµí£¬Ksp£¨Ag2CrO4£©=1.2¡Á10-12£»Ag2SΪºÚÉ«³Áµí£¬Ksp£¨Ag2S£©=6.3¡Á10-50£®
¢ó£®¸ù¾ÝÑùÆ·ÖÊÁ¿Îªwg¼´¿ÉÈ·¶¨ÑùÆ·ÖÐCoÔªËصÄÖÊÁ¿£¬½ø¶øÈ·¶¨ÑùÆ·µÄ»¯Ñ§×é³É£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÊµÑéÇ°£¬°´Í¼×é×°ºÃ×°Öúó£¬ÈçºÎ¼ì²é¸Ã×°ÖõÄÆøÃÜÐÔÔÚÁ¬½ÓºÃ×°Öú󣬽«µ¼¹ÜÒ»¶ËÉìÈëË®ÖУ¬ÓÃÊÖÎæסAÖеÄÉÕÆ¿£¬Èôµ¼¹Ü¿ÚÓÐÆøÅÝð³ö£¬ÇÒËÉÊÖºóµ¼¹ÜÄÚÐγÉÒ»¶ÎË®Öù£¬ÔòÆøÃÜÐÔÁ¼ºÃ£»
£¨2£©Ê¢×°10%NaOHÈÜÒºµÄÒÇÆ÷Ãû³Æ·ÖҺ©¶·£»
£¨3£©ÑùÆ·Öа±µÄÖÊÁ¿·ÖÊý±í´ïʽΪ$\frac{1{0}^{-3}£¨{c}_{1}{V}_{1}{-c}_{2}{V}_{2}£©mol¡Á17g/mol}{wg}$£»
£¨4£©±ê×¼ÏõËáÒøÈÜҺӦװÔÚ×ØÉ«µÄËáʽµÎ¶¨¹ÜÖУ»ÈôµÎ¶¨¹ÜδÓñê×¼ÒºÈóÏ´£¬Ôò²â¶¨Cl-µÄÁ¿Æ«´ó
£®£¨Ìî¡°Æ«´ó¡±¡°Æ«Ð¡¡±£©
£¨5£©ÔڲⶨÂȵĹý³ÌÖУ¬Ó¦Ñ¡ÓÃK2S£¨Ìî¡°K2CO3¡±»ò¡°K2S¡±£©ÎªÖ¸Ê¾¼Á£¬Åжϴﵽ²â¶¨ÖÕµãʱµÄ²Ù×÷ºÍÏÖÏóΪµÎÈë×îºóÒ»µÎ±ê×¼ÈÜÒº£¬Éú³ÉºÚÉ«³Áµí£¬ÇÒ30s ²»¸´Ô­£®
£¨6£©µ±´ïµ½µÎ¶¨ÖÕµãʱ£¬Èôc£¨Ag+£©=1.0¡Á10-5 mol•L-1£¬$\frac{c£¨C{l}^{-}£©}{c£¨Cr{O}_{4}^{2-}£©}$=£¬£¨»ò$\frac{c£¨C{l}^{-}£©}{c£¨{S}^{2-}£©}$=£©2.86¡Á1034£¨¸ù¾ÝËùѡָʾ¼Á½øÐÐÌî¿Õ£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

14£®Ä³Ë®ÈÜÒºÖк¬ÓÐÒÔÏÂÀë×ÓÖеÄÈô¸ÉÖÖ£ºK+¡¢Cl-¡¢Ca2+¡¢Zn2+¡¢CO32-¡¢SO42-£¬ÏÖÈ¡Á½·ÝÈÜÒº¸÷100mL·Ö±ð½øÐÐÈçÏÂʵÑ飺
¢ÙµÚÒ»·Ý¼ÓÈëAgNO3ÈÜÒºÓгÁµí²úÉú
¢ÚµÚ¶þ·Ý¼Ó×ãÁ¿BaCl2ÈÜÒººó£¬µÃ³ÁµíÎï6.63g£¬¾­×ãÁ¿ÏõËáÏ´µÓ¡¢¸ÉÔïºó£¬³ÁµíÖÊÁ¿Îª4.66g£»ÔÚËùµÃÂËÒºÖмÓÈëAgNO3ÈÜÒºÓгÁµí²úÉú
¸ù¾ÝÉÏÊöʵÑ飬ÒÔÏÂÓйØÔ­ÈÜÒºµÄÂ۶ϲ»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®Cl-Ò»¶¨´æÔÚ
B£®CO32-ºÍSO42-Ò»¶¨´æÔÚ£¬ÇÒ¶þÕߵĸöÊý±ÈΪ1£º2
C£®Zn2+ºÍCa2+Ò»¶¨²»´æÔÚ
D£®100mLÈÜÒºÖÐK+µÄÖÊÁ¿²»Ð¡ÓÚ2.34g

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

15£®ÏÂÁи÷×é˳ÐòµÄÅÅÁв»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®È۵㣺½ð¸Õʯ£¾¸É±ùB£®Àë×Ӱ뾶£ºO2-£¾Na+
C£®¼îÐÔ£ºKOH£¾Al£¨OH£©3D£®Îȶ¨ÐÔ£ºSiH4£¾H2S

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸