ÏÂÁл¯ºÏÎ¢ÙHCl ¢ÚNaOH ¢ÛCH3COOH ¢ÜNH3¡¤H2O ¢ÝCH3COONa ¢ÞNH4Cl
£¨1£©ÊôÓÚÈõµç½âÖʵÄÊÇ       £¬ÈÜÒº³Ê¼îÐÔµÄÓР         £¨ÌîÐòºÅ£©¡£
£¨2£©³£ÎÂÏÂ0.01 mol/L HClÈÜÒºµÄPH=         £»PH=11µÄCH3COONaÈÜÒºÖÐÓÉË®µçÀë²úÉúµÄc(OH£­) =       ¡£
£¨3£©ÓÃÀë×Ó·½³Ìʽ±íʾCH3COONaÈÜÒº³Ê¼îÐÔµÄÔ­Òò            £¬ÆäÈÜÒºÖÐÀë×ÓŨ¶È°´ÓÉ´óµ½Ð¡µÄ˳ÐòΪ                          ¡£
£¨4£©½«µÈPHµÈÌå»ýµÄHClºÍCH3COOH·Ö±ðÏ¡ÊÍm±¶ºÍn±¶£¬Ï¡ÊͺóÁ½ÈÜÒºµÄPHÈÔÏàµÈ£¬Ôòm        n £¨Ìî¡°´óÓÚ¡¢µÈÓÚ¡¢Ð¡ÓÚ¡±£©¡£
£¨5£©³£ÎÂÏ£¬Ïò100 mL 0.01 mol¡¤L£­1HAÈÜÒºÖðµÎ¼ÓÈë0.02 mol¡¤L£­1MOHÈÜÒº£¬Í¼ÖÐËùʾÇúÏß±íʾ»ìºÏÈÜÒºµÄpH±ä»¯Çé¿ö£¨Ìå»ý±ä»¯ºöÂÔ²»¼Æ£©¡£»Ø´ðÏÂÁÐÎÊÌ⣺ 

¢ÙÓÉͼÖÐÐÅÏ¢¿ÉÖªHAΪ_______ËᣨÌî¡°Ç¿¡±»ò¡°Èõ¡±£©¡£
¢Ú Kµã¶ÔÓ¦µÄÈÜÒºÖУ¬
c(M£«)£«c(MOH)=        mol¡¤L£­1¡£
£¨1£©¢Û¢Ü¡¢¢Ú¢Ü¢Ý
£¨2£© 2 ¡¢   10-3 mol£¯L     
£¨3£©CH3COO? + H2O  CH3COOH + OH?¡¢
c£¨Na+£©£¾c£¨CH3COO?£©£¾c£¨OH-£©£¾c£¨H+£©
£¨4£© Ð¡ÓÚ 
£¨5£©¢Ù Ç¿       ¢Ú  0.01

ÊÔÌâ·ÖÎö£º£¨1£©¢ÙHCl ¢ÚNaOH ¢ÛCH3COOH ¢ÜNH3¡¤H2O ¢ÝCH3COONa ¢ÞNH4ClÖУ¬ CH3COOH ¡¢NH3¡¤H2OÊôÓÚÈõµç½âÖÊ£»NaOH¡¢NH3¡¤H2O¡¢CH3COONa ÈÜÒºÏÔ¼îÐÔ£»£¨2£©³£ÎÂÏÂ0.01 mol/L HClÈÜÒºµÄPH=-lg0.01=2£¬PH=11µÄCH3COONaÈÜÒºÖеÄc£¨H+£©=10-11mol/L£¬CH3COONaΪǿ¼îÈõËáÑΣ¬ËùÒÔÓÉË®µçÀë²úÉúµÄc(OH£­) =Kw/c£¨H+£©=10-3 mol£¯L £»£¨3£©CH3COONaΪǿ¼îÈõËáÑΣ¬ÓÉÓÚ´×Ëá¸ùµÄË®½âʹµÃÆäÈÜÒºÏÔ¼îÐÔ£¬ÆäÏÔ¼îÐÔµÄÀë×Ó·½³ÌʽΪCH3COO? + H2O  CH3COOH + OH?£¬¸ù¾ÝµçºÉÊغã¿ÉÒԵõ½c£¨H+£©+c£¨Na+£©=c£¨OH?£©+c£¨CH3COO?£©£¬ÒòΪÈÜÒºÏÔ¼îÐÔ£¬ËùÒÔc£¨OH-£©£¾c£¨H+£©£¬¹ÊÈÜÒºÖÐÀë×ÓŨ¶È°´ÓÉ´óµ½Ð¡µÄ˳ÐòΪc£¨Na+£©£¾c£¨CH3COO?£©£¾c£¨OH-£©£¾c£¨H+£©£»£¨4£©HClΪǿËᣬ¶ø´×ËáΪÈõËᣬËùÒÔ½«µÈPHµÈÌå»ýµÄHClºÍCH3COOH·Ö±ðÏ¡ÊÍm±¶ºÍn±¶£¬Ï¡ÊͺóÁ½ÈÜÒºµÄPHÈÔÏàµÈ£¬ÔòmСÓÚn£»£¨5£©ÓÉͼ¿ÉÒÔÖªµÀ£¬ 0.01 mol¡¤L£­1HAÈÜÒºpHΪ2£¬ËùÒÔHAΪǿË᣻¢Ú Kµã¶ÔÓ¦µÄÈÜÒºÖУ¬¸ù¾ÝÎïÁÏÊغã¿ÉÒÔÖªµÀ¼ÓÈëµÄMOHµÄÎïÖʵÄÁ¿Îª0.02¡Á0.1=0.002mol£¬ËùÒÔc(M£«)£«c(MOH)=0.002/0.2=0.01mol¡¤L£­1¡£
µãÆÀ£º±¾Ì⿼²éÁËÇ¿Èõµç½âÖÊ¡¢ÑÎÀàË®½â¡¢µçºÉÊغ㣬ÎïÁÏÊغãµÄÏà¹Ø֪ʶ£¬ÓÐÒ»¶¨µÄ×ÛºÏÐÔ£¬±¾ÌâÄѶÈÊÊÖС£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

³£ÎÂÏ£¬Ìå»ý¡¢ÎïÖʵÄÁ¿Å¨¶È¾ùÏàµÈµÄËÄÖÖÈÜÒº£º¢ÙÑÎË᣻¢Ú´×Ë᣻¢Û°±Ë®£»¢ÜCH3COONaÈÜÒº¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A£®½«¢ÙÓë¢Ú·Ö±ðÏ¡ÊÍÏàͬ±¶ÊýºóÈÜÒºµÄpH£º¢Ù>¢Ú
B£®¢ÛÓë¢ÜÖÐÒѵçÀëµÄË®·Ö×ÓµÄÊýÄ¿ÏàµÈ
C£®Èô¢ÚÓë¢Û»ìºÏºóÈÜÒº³ÊÖÐÐÔ£¬ÔòÔÚ³£ÎÂÏÂKa£¨CH3COOH£©=Kb£¨NH3¡¤H2O£©
D£®¢ÚÓë¢Ü»ìºÏËùµÃÈÜÒºÏÔËáÐÔ£¬Ôò£ºc£¨CH3COO£­£©+c£¨OH£­£©<c£¨CH3COOH£©+c£¨H+£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ij¶þÔªËá(»¯Ñ§Ê½ÓÃH2A±íʾ)ÔÚË®ÖеĵçÀë·½³ÌʽÊÇ£ºH2A===H£«£«HA£­HA£­H£«£«A2£­»Ø´ðÏÂÁÐÎÊÌ⣺
(1)Na2AÈÜÒºÏÔ____(Ìî¡°ËáÐÔ¡±¡¢¡°ÖÐÐÔ¡±»ò¡°¼îÐÔ¡±)£¬ÀíÓÉÊÇ£º______(ÓÃÀë×Ó·½³Ìʽ»ò±ØÒªµÄÎÄ×Ö˵Ã÷)¡£
(2)³£ÎÂÏ£¬ÒÑÖª0.1 mol¡¤L£­1 NaHAÈÜÒºpH£½2£¬Ôò0.1 mol¡¤L£­1 H2AÈÜÒºÖÐÇâÀë×ÓµÄÎïÖʵÄÁ¿Å¨¶È¿ÉÄÜ_______0.11 mol¡¤L£­1(Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±)£¬ÀíÓÉÊÇ______¡£
(3)0.1 mol¡¤L£­1 NaHAÈÜÒºÖи÷ÖÖÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ_______              ___¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÁÐÐðÊöÖеÄÁ½¸öÁ¿£¬Ç°ÕßÒ»¶¨´óÓÚºóÕßµÄÊÇ£¨   £©
A£®´¿Ë®ÔÚ25¡æºÍ80¡æʱµÄpH
B£®pH¾ùΪ2µÄÁòËáÈÜÒººÍÑÎËáÖеÄc£¨H+£©
C£®25¡æʱ£¬0.2 mol/LÓë0.1 mol/LµÄÁ½ÖÖ´×ËáÈÜÒºÖд×ËáµÄµçÀë³Ì¶È
D£®25¡æʱ£¬µÈÌå»ýÇÒpH¶¼µÈÓÚ5µÄÑÎËáºÍA1C13µÄÈÜÒºÖУ¬ÒѵçÀëµÄË®·Ö×ÓÊý

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÁйØÓÚNaOHÈÜÒººÍ°±Ë®µÄ˵·¨ÕýÈ·µÄÊÇ£¨   £©
A£®ÏàͬŨ¶ÈµÄÁ½ÈÜÒºÖÐc(OH£­) Ïàͬ
B£®pH£½13µÄÁ½ÈÜҺϡÊÍ100±¶£¬pH¶¼Îª11
C£®100 mL 0.1 mol/LµÄÁ½ÈÜÒºÄÜÖк͵ÈÎïÖʵÄÁ¿µÄÑÎËá
D£®Á½ÈÜÒºÖзֱð¼ÓÈëÉÙÁ¿¶ÔÓ¦µÄÁòËáÑΣ¬c(OH£­) ¾ùÃ÷ÏÔ¼õС

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÓÃÑÎËá²â¶¨Ì¼ËáÄÆʱ¼È¿ÉÓ÷Ó̪×÷ָʾ¼ÁÓÖ¿ÉÓü׻ù³È(Ò»ÖÖËá¼îָʾ¼Á)×÷ָʾ¼Á£¬ÏÖ·Ö±ðÓ÷Ó̪ºÍ¼×»ù³È×÷ָʾ¼Á£¬ÓÃ0.1000mol/LµÄHClµÎ¶¨20.00mLµÄ´¿¼îÈÜÒº£¬µÎ¶¨ÖÕµãʱ·Ö±ðÓÃÈ¥ÁË20.00mL¡¢40.00mLµÄÑÎËᣬÏÂÁÐ˵·¨Öв»ÕýÈ·µÄÊÇ  (    )
A£®Ó÷Ó̪×÷ָʾ¼ÁʱµÎ¶¨µÄ×Ü·´Ó¦Îª£ºNa2CO3+HCl=NaHCO3+NaCl
B£®Óü׻ù³È×÷ָʾ¼ÁʱµÎ¶¨µÄ×Ü·´Ó¦Îª£ºNa2CO3+2HCl=NaCl+CO2¡ü+H2O
C£®¿ÉÓüîʽµÎ¶¨¹ÜÁ¿È¡ËùÐèÒªµÄNa2CO3ÈÜÒº
D£®ÈôËáʽµÎ¶¨¹ÜûÓÐÓñê×¼ÈÜÒºÈóÏ´£¬ÔòËù²âµÃµÄ̼ËáÄÆÈÜҺŨ¶ÈÆ«µÍ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÔÚ25¡æ¡¢101kPaÏ£¬1g¼×´¼È¼ÉÕÉú³ÉCO2ºÍҺ̬ˮʱ·ÅÈÈ22.68kJ£¬ÏÂÁÐÈÈ»¯Ñ§·½³ÌʽÕýÈ·µÄÊÇ
A£®CH3OH£¨l£©+3/2O2£¨g£©="=" CO2£¨g£©+ 2H2O£¨l£©¡÷H= £­726.4 kJ/mol
B£®2CH3OH£¨l£©+3O2£¨g£©="=" 2CO2£¨g£©+ 4H2O£¨g£©¡÷H= £­1452.8 kJ/mol
C£®2CH3OH£¨l£©+3O2£¨g£©="=" 2CO2£¨g£©+ 4H2O£¨l£©¡÷H= £­726.4 kJ/mol
D£®2CH3OH£¨l£©+3O2£¨g£©="=" 2CO2£¨g£©+ 4H2O£¨g£©¡÷H=" +" 1452.8 kJ/mol

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

³£ÎÂÏ£¬0.1mol¡¤L¡ª1ijһԪËᣨHA£©ÈÜÒºÖÐ=1¡Á10-8£¬ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ£¨   ¡¡£©
A£®¸ÃÒ»ÔªËáÈÜÒºµÄpH=1             ¡¡B£®¸ÃÈÜÒºÖÐHAµÄµçÀë¶ÈΪ 1£¥
C£®¸ÃÈÜÒºÖÐË®µÄÀë×Ó»ý³£ÊýΪ1¡Á10-14    ¡¡D£®Èô¼ÓˮϡÊÍ£¬Ôòc(OH-)/c(H+)½«¼õС

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ÒÑ֪ˮÔÚ25¡æºÍ95¡æʱ£¬ÆäµçÀëƽºâÇúÏßÈçÓÒͼËùʾ£º

¢ÅÔò25ʱˮµÄµçÀëƽºâÇúÏßӦΪ      £¨Ìî¡°A¡±»ò¡°B¡±£©¡£
¢Æ25ʱ£¬½«£½8µÄNaOHÈÜÒºÓ룽5µÄÈÜÒº»ìºÏ£¬ÈôËùµÃ»ìºÏÈÜÒºµÄ£½7£¬ÔòNaOHÈÜÒºÓëÈÜÒºµÄÌå»ý±ÈΪ                ¡£
¢Ç95ʱ£¬0.1 mol/LµÄNaOHÈÜÒºµÄpHÖµÊÇ                ¡£
¢È95ʱ£¬Èô100Ìå»ý1£½µÄijǿËáÈÜÒºÓë1Ìå»ý2£½bµÄijǿ¼îÈÜÒº»ìºÏºóÈÜÒº³ÊÖÐÐÔ£¬Ôò»ìºÏÇ°£¬ÓëbÖ®¼äÓ¦Âú×ãµÄ¹ØϵÊÇ=            £¨Óú¬bµÄ´úÊýʽ±íʾ£©,a+b_______14£¨Ìî¡°<¡±¡¢¡°=¡±»ò¡°>¡±£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸