8£®ÒÔÏÂÊ÷×´·ÖÀà·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÎïÖÊ$\left\{\begin{array}{l}{»ìºÏÎï}\\{´¿¾»Îï\left\{\begin{array}{l}{ÈÜÒº}\\{»¯ºÏÎï}\end{array}\right.}\end{array}\right.$
B£®´¿¾»Îï$\left\{\begin{array}{l}{µ¥ÖÊ\left\{\begin{array}{l}{½ðÊôµ¥ÖÊ}\\{·Ç½ðÊôµ¥ÖÊ}\end{array}\right.}\\{»¯ºÏÎï}\end{array}\right.$
C£®»¯ºÏÎï$\left\{\begin{array}{l}{ÓлúÎï}\\{ÎÞ»úÎï\left\{\begin{array}{l}{Ëá\left\{\begin{array}{l}{Ñõ»¯Îï}\\{·ÇÑõ»¯Îï}\end{array}\right.}\\{¼î}\\{ÑÎ}\end{array}\right.}\end{array}\right.$
D£®´¿¾»Îï$\left\{\begin{array}{l}{ÎÞ»úÎï\left\{\begin{array}{l}{µ¥ÖÊ}\\{Ñõ»¯Îï}\\{»¯ºÏÎï}\end{array}\right.}\\{ÓлúÎï}\end{array}\right.$

·ÖÎö Ê÷×´·ÖÀà·¨ÊÇÒ»ÖÖºÜÐÎÏóµÄ·ÖÀà·¨£¬°´ÕÕ²ã´Î£¬Ò»²ãÒ»²ãÀ´·Ö£¬¾ÍÏñÒ»¿Ã´óÊ÷£¬ÓÐÒ¶¡¢Ö¦¡¢¸Ë¡¢¸ù£¬¸÷²ãÖ®¼äÊÇ°üº¬ºÍ±»°üº¬µÄ¹Øϵ£®

½â´ð ½â£ºA£®´¿¾»Îï°üÀ¨µ¥Öʺͻ¯ºÏÎ²»ÊÇÈÜÒººÍ»¯ºÏÎÈÜÒºÊôÓÚ»ìºÏÎ¹ÊA´íÎó£»
B£®´¿¾»Îï°üÀ¨µ¥Öʺͻ¯ºÏÎµ¥ÖÊÓÖ°üÀ¨½ðÊôµ¥ÖʺͷǽðÊôµ¥ÖÊÁ½À࣬¹ÊBÕýÈ·£»
C£®ÎÞ»ú»¯ºÏÎï°üÀ¨Ëá¡¢¼î¡¢ÑΡ¢Ñõ»¯ÎÑõ»¯Îï°üÀ¨½ðÊôÑõ»¯ÎïºÍ·Ç½ðÊôÑõ»¯ÎïÁ½ÖÖ£¬¹ÊC´íÎó£»
D£®ÓлúÎïºÍÎÞ»úÎïÊÇ´¿¾»ÎïÖл¯ºÏÎïµÄ·¶³ë£¬¹ÊD´íÎó£®
¹ÊÑ¡B£®

µãÆÀ ±¾Ì⿼²éÎïÖʵķÖÀàÒÔ¼°¸÷ÀàÎïÖÊÖ®¼äµÄ¹Øϵ£¬ÄѶȲ»´ó£¬Æ½Ê±×¢Òâ֪ʶµÄ»ýÀÛ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

18£®ÊÒÎÂÏ£¬ÏÂÁи÷×éÁ£×ÓÔÚÖ¸¶¨ÈÜÒºÖÐÒ»¶¨ÄÜ´óÁ¿¹²´æµÄÊÇ£¨¡¡¡¡£©
A£®0.1 mol•L-1FeCl3ÈÜÒºÖУºK+¡¢Na+¡¢AlO2-¡¢SCN-
B£®ÄÜÈܽâCaCO3µÄÈÜÒºÖУºFe2+¡¢Ca2+¡¢Cl-¡¢NO${\;}_{{3}_{\;}^{\;}}^{-}$
C£®³ÎÇå͸Ã÷µÄÈÜÒºÖУºCu2+¡¢Mg2+¡¢SO${\;}_{4}^{2-}$¡¢Cl-
D£®ÓÉË®µçÀëµÃµ½µÄc£¨H+£©=1¡Á10-13mol•L-1µÄÈÜÒºÖУºMg2+¡¢Cu2+¡¢SO42-¡¢NO3-

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

19£®ÏÂÁÐÓйØNa2CO3ºÍNaHCO3µÄÐÔÖÊ£¬ÐðÊö´íÎóµÄÊÇBD£®
A£®Na2CO3±ÈNaHCO3¸üÒ×ÈÜÓÚË®
B£®NaHCO3±ÈNa2CO3ÈÈÎȶ¨ÐÔ¸üÇ¿
C£®Í¬Ò»Î¶ÈÏ£¬ÓëµÈŨ¶ÈµÄÑÎËᷴӦʱ£¬NaHCO3±ÈNa2CO3¾çÁÒ
D£®ÓóÎÇåµÄʯ»ÒË®¿ÉÒÔ¼ø±ðNa2CO3ºÍNaHCO3ÈÜÒº
E£®ÏòNa2CO3±¥ºÍÈÜÒºÖÐͨÈë×ãÁ¿CO2£¬ÓÐNaHCO3¾§ÌåÎö³ö
F£®·Ö±ðÏòµÈŨ¶ÈµÄNa2CO3ºÍNaHCO3ÈÜÒºÖеμӷÓ̪£¬Ç°ÕߺìÉ«¸üÉî
G£®Na2CO3ºÍNaHCO3µÄÑæÉ«·´Ó¦ÏÖÏó¾ùΪ»ÆÉ«£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

16£®ÊÒÎÂÏ£¬ÔÚÒ»¶¨Ìå»ýpH=12µÄBa£¨OH£©2ÈÜÒºÖУ¬ÖðµÎ¼ÓÈëpH=2µÄNaHSO4ÈÜÒº£¬µ±ÈÜÒºµÄpHÇ¡ºÃΪ7ʱ£¬Ôò²Î¼Ó·´Ó¦µÄBa£¨OH£©2ÈÜÒºÓëNaHSO4ÈÜÒºµÄÌå»ý±ÈÊÇ£¨¡¡¡¡£©
A£®1£º9B£®1£º1C£®1£º2D£®1£º4

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

3£®X¡¢Y¡¢Z¡¢WΪµç×ÓÊýÏàͬµÄ·Ö×Ó»òÀë×Ó£®XÓÐ5¸öÔ­×Ӻˣ®Í¨³£×´¿öÏ£¬WΪÎÞÉ«ÒºÌ壮ËüÃÇÖ®¼äת»¯¹ØϵÈçͼ1Ëùʾ£¬Çë»Ø´ð£º

£¨1£©ÊµÑéÊÒ²ÉÓù̼þ¼ÓÈÈÖÆÈ¡ZµÄ»¯Ñ§·½³ÌʽΪ£º2NH4Cl+Ca£¨OH£©2$\frac{\underline{\;\;¡÷\;\;}}{\;}$2NH3¡ü+2H2O+CaCl2£®
£¨2£©Ä³»¯Ñ§Ð¡×éͬѧģÄ⹤ҵÉú²úÖÆÈ¡HNO3£¬Éè¼Æͼ2ËùʾװÖã¬ÆäÖÐaΪһ¸ö¿É³ÖÐø¹ÄÈë¿ÕÆøµÄÏðƤÇò£®
¢ÙAÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ4NH3+5O2$\frac{\underline{´ß»¯¼Á}}{¡÷}$4NO+6H2O£®
¢ÚBÖÐŨH2SO4µÄ×÷ÓÃÊÇÎüÊÕË®Óëδ·´Ó¦µÄ°±Æø£®
£¨3£©Ð´³öD×°ÖÃÖз´Ó¦µÄ»¯Ñ§·½³Ìʽ3NO2+H2O=2HNO3+NO£®
£¨4£©Ïòº¬ÓÐag HNO3µÄÏ¡ÈÜÒºÖУ¬¼ÓÈëbgÌú·Û³ä·Ö·´Ó¦£¬Ìú·ÛÈ«²¿Èܽ⣮ÒÑÖª3¡Ü$\frac{a}{b}$¡Ü4.5£¬Ôò±»»¹Ô­µÄHNO3µÄÖÊÁ¿Îª$\frac{a}{4}$g£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

13£®ÒÑÖª·´Ó¦A+B¡úC+D+E£®
£¨1£©Èô¸Ã·´Ó¦ÎªÂȼҵµÄÖ÷Òª·´Ó¦£¬EΪ¿ÉȼÆøÆøÌ壬д³ö·´Ó¦µÄÀë×Ó·½³Ìʽ2Cl-+2H2O¨T2OH-+H2¡ü+Cl2¡ü£¬ÈôµÃµ½±ê×¼×´¿öÏÂ4.48LÆøÌåE£¬Ôò¸Ã¹ý³ÌתÒƵĵç×ÓµÄÊýĿΪ0.4mol£¬Ð´³öCÓëD·´Ó¦µÄÀë×Ó·½³ÌʽCl2+2OH-=Cl-+ClO-+H2O£®
£¨2£©ÈôAÔÚÒ½ÁÆÉϳ£ÓÃÓÚÖÎÁÆθËá¹ý¶à£¬ÆäÑæÉ«·´Ó¦Îª»ÆÉ«£¬ÔòAµÄ»¯Ñ§Ê½ÎªNaHCO3£¬
¢ÙÈôBΪÑÎËᣬд³ö·´Ó¦µÄÀë×Ó·½³ÌʽHCO3-+H+=CO2¡ü+H2O£»
¢ÚÈôCΪһÖÖÄÑÈÜÓÚË®¿ÉÈÜÓÚÇ¿ËáµÄ°×É«¹ÌÌåÎïÖÊ£¬ÔòB¿ÉÄÜΪCa£¨OH£©2»òBa£¨OH£©2£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

20£®ÊµÑéÊÒÀïÐèÒª450mL 0.1mol/LµÄÇâÑõ»¯ÄÆÈÜÒº£¬ÏÖÑ¡È¡500mLÈÝÁ¿Æ¿½øÐÐÅäÖÆ£¬ÒÔϲÙ×÷ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®³ÆÈ¡1.8gÇâÑõ»¯ÄƹÌÌ壬¼ÓÈë450mLË®
B£®³ÆÈ¡1.8gÇâÑõ»¯ÄƹÌÌåÅä³É450mLÈÜÒº
C£®³ÆÈ¡2.0gÇâÑõ»¯ÄƹÌÌ壬¼ÓÈë500mLË®
D£®³ÆÈ¡2.0gÇâÑõ»¯ÄƹÌÌåÅä³É500mLÈÜÒº

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

17£®ºìשÊÇÓÃÕ³ÍÁ¸ßÎÂÉÕ½á¶ø³É£¬ÒòÆäÑÕÉ«³ÊºìÉ«»ò×غìÉ«¶øµÃÃû£¬³£ÓÃ×÷½¨Öþ²ÄÁÏ
£¨1£©¸ù¾ÝºìשµÄÑÕÉ«¡¢²Â²âÆä¿ÉÄܺ¬ÓеijɷÝÊÇ£¨Ð´»¯Ñ§Ê½£©Fe2O3
£¨2£©ÎªÁ˼ìÑé²Â²âÊÇ·ñÕýÈ·£¬Çë¸ù¾ÝÒÔÏÂÉè¼ÆµÄʵÑé·½°¸£¬¼òÒªµØÍê³É¸÷²½²Ù×÷¹ý³ÌÒÔ¼°×îºóµÄʵÑé·ÖÎöºÍ½áÂÛ£¬Éæ¼°»¯Ñ§·´Ó¦µÄд³ö»¯Ñ§·½³Ìʽ£¨ÊµÑéÓÃÆ·ÈÎÈ¡£¬²»±ØдʵÑé×°ÖÃÖеÄÒÇÆ÷°²×°£©
ʵÑé²½Ö裺¢ÙÓÃÌú´¸ÇÃËéºìש£¬È¡Ð¡¿éÄ¥³É·ÛÄ©£®
¢Ú½«ºìש·ÛÄ©·ÅÈëÉÕ±­£¬¼ÓÈë¡­
¢Û½«»ìºÏÒºµ¹Èë¹ýÂËÆ÷¡­
¢ÜÔÚÂËÒºÖеÎÈë¡­
ʵÑé·ÖÎö¼°½áÂÛ£º¢Ú½«ºìש·ÛÄ©·ÅÈëÉÕ±­£¬¼ÓÈëÊÊÁ¿Ï¡ÑÎËᣬ½Á°è£¬¢Û½«»ìºÏÒºµ¹Èë¹ýÂËÆ÷¹ýÂË£¬¢ÜÔÚÂËÒºÖеÎÈëKSCNÈÜÒº£¬
ÈôÈÜÒº³ÊºìÉ«£¬Ö¤Ã÷ºìשº¬ÓÐFe2O3£»ÈôÈÜÒº²»³ÊºìÉ«£¬ËµÃ÷ºìש²»º¬Fe2O3£®£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

18£®ÏÂÁÐÀë×Ó·½³ÌʽÊéд²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®NaAlO2ÈÜÒºÖÐͨÈëÉÙÁ¿¶þÑõ»¯Ì¼£º2AlO2-+CO2+3H2O¨T2Al£¨OH£©3¡ý+CO32-
B£®NaOHÈÜÒºÖÐͨÈëÉÙÁ¿¶þÑõ»¯Ì¼£º2OH-+CO2¨TCO32-+H2O
C£®AlCl3ÈÜÒºÖмÓÈë¹ýÁ¿°±Ë®£ºAl3++3NH3•H2O¨TAl£¨OH£©3¡ý+3NH4+
D£®AlCl3ÈÜÒºÖмÓÈë¹ýÁ¿NaOHÈÜÒº£ºAl3++3OH-¨TAl£¨OH£©3¡ý

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸