£¨8·Ö£©³£ÎÂÏ£¬½«3ÖÖÒ»ÔªËá·Ö±ðºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬ÊµÑéÊý¾ÝÈçÏ£º
×é±ð | Ò»ÔªËá | NaOH | »ìºÏÈÜÒºµÄpH |
¼× | c(HX)="0.1" mol/L | c(NaOH)=0.1mol/L | pH = a |
ÒÒ | c(HY)=c1 mol/L | c(NaOH)=0.1mol/L | pH = 7 |
±û | c(HZ)="0.1" mol/L | c(NaOH)=0.1mol/L | pH = 9 |
¶¡ | pH=2 HZ | pH=12 NaOH | pH = b |
£¨8·Ö£©£¨1£©£¾£¨1·Ö£© £¬ c(Na£«)£¾c(X£)£¾c(OH£)£¾c(H£«) £¨2·Ö£© £¨2£©1£¨1·Ö£©
£¨3£©HZ + OH£= H2O + Z££¨1·Ö£©£¬ 10£5 £¨2·Ö£© £¨4£©£¼£¨1·Ö£©
½âÎöÊÔÌâ·ÖÎö£º£¨1£©¼××éʵÑéÖÐHXΪÈõËᣬËáºÍ¼îµÄŨ¶ÈÏàµÈ£¬ËùÒÔµÈÌå»ýµÄËáºÍ¼îµÄÎïÖʵÄÁ¿ÏàµÈ£¬Ç¡ºÃ·´Ó¦Éú³ÉÑκÍË®£¬Éú³ÉµÄÑÎÊÇÇ¿¼îÈõËáÑÎÆäË®ÈÜÒº³Ê¼îÐÔ£¬ÈÜÒºµÄPHÖµ´óÓÚ7£¬ËùÒÔÈÜÒºÖÐÇâÑõ¸ùÀë×ÓŨ¶È´óÓÚÇâÀë×ÓŨ¶È£»ÓÉÓÚÈÜÒº³ÊµçÖÐÐÔ£¬ÈÜÒºÖÐÒõÑôÀë×ÓËù´øµçºÉÏàµÈ£¬ËùÒÔÈÜÒºÖÐÄÆÀë×ÓŨ¶È´óÓÚËá¸ùÀë×ÓŨ¶È£¬ÑÎÒÔµçÀëΪÖ÷Ë®½âΪ´Î£¬ËùÒÔËá¸ùÀë×ÓŨ¶È´óÓÚÇâÑõ¸ùÀë×ÓŨ¶È£¬ËùÒÔc£¨Na+£©£¾c£¨X-£©£¾c£¨OH-£©£¾c£¨H+£©¡£
£¨2£©ÒÒ×éʵÑéÖÐHYΪǿËᣬµÈÌå»ý»ìºÏºóÈÜÒº³ÊÖÐÐÔ£¬ËµÃ÷ËáµÄŨ¶ÈºÍ¼îµÄŨ¶ÈÏàµÈ¶¼ÊÇ0.1mol/L£¬ËáÊÇÇ¿ËᣬËùÒÔËáÈÜÒºÖÐÇâÀë×ÓŨ¶ÈÊÇ0.1mol/L£¬Òò´ËËáÈÜÒºÖÐpH£½1¡£
£¨3£©µÈÎïÖʵÄÁ¿µÄËá¡¢¼î·´Ó¦ºóÈÜÒº³Ê¼îÐÔ£¬ËµÃ÷ËáÊÇÈõËᣬËáºÍ¼î·´Ó¦µÄÀë×Ó·½³ÌʽΪHZ+OH-£½H2O+Z-£»³£ÎÂÏ£¬PH£½9µÄÈÜÒºÖÐÇâÀë×ÓŨ¶È10-9mol/L£¬ÔòÇâÑõ¸ùÀë×ÓŨ¶ÈÊÇ10-5mol/L£¬ÕâÒ²ÊÇË®µçÀë³öµÄOH£Å¨¶È¡£
£¨4£©HZÊÇÈõËᣬËáµÄpH£½2ʱ£¬ËáµÄŨ¶È´óÓÚ0.01mol/L£¬ËùÒÔµÈÌå»ýµÄËáºÍ¼î»ìºÏºóËá¹ýÁ¿£¬µ¼ÖÂÈÜÒºµÄpHСÓÚ7¡£
¿¼µã£º¿¼²éËá¡¢¼î·´Ó¦ºóÈÜÒºµÄËá¼îÐÔÅжϡ¢Àë×ÓŨ¶È´óС±È½ÏÒÔ¼°Àë×Ó·½³ÌʽµÄÊéд
µãÆÀ£º¸ÃÌâÊǸ߿¼Öеij£¼ûÌâÐÍ£¬ÊÔÌâ»ù´¡ÐÔÇ¿£¬ÄÑÒ×ÊÊÖУ¬×¢ÖØ¿¼²éѧÉúµÄÁé»îÔËÓûù´¡ÖªÊ¶½â¾öʵ¼ÊÎÊÌâµÄÄÜÁ¦¡£±¾ÌâµÄ¹Ø¼üÊÇÃ÷È·¡°ËÇ¿ËÏÔÐÔ¡¢ËÈõËË®½â¡±µÄ¹æÂÉ£¬Í¬Ê±»¹³ä·ÖÀûÓúÃÈÜÒºÖеĸ÷ÖÖÊغã¹Øϵ¡£
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
×é±ð | Ò»ÔªËá | NaOH | »ìºÏÈÜÒºµÄpH |
¼× | c£¨HX£©=0.1mol/L | c£¨NaOH£©=0.1mol/L | pH=a |
ÒÒ | c£¨HY£©=c1 mol/L | c£¨NaOH£©=0.1mol/L | pH=7 |
±û | c£¨HZ£©=0.1mol/L | c£¨NaOH£©=0.1mol/L | pH=9 |
¶¡ | pH=2 HZ | pH=12 NaOH | pH=b |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014½ì¼ªÁÖÊ¡³¤´ºÊи߶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ
£¨8·Ö£©³£ÎÂÏ£¬½«3ÖÖÒ»ÔªËá·Ö±ðºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬ÊµÑéÊý¾ÝÈçÏ£º
×é±ð |
Ò»ÔªËá |
NaOH |
»ìºÏÈÜÒºµÄpH |
¼× |
c(HX)="0.1" mol/L |
c(NaOH)=0.1mol/L |
pH = a |
ÒÒ |
c(HY)=c1 mol/L |
c(NaOH)=0.1mol/L |
pH = 7 |
±û |
c(HZ)="0.1" mol/L |
c(NaOH)=0.1mol/L |
pH = 9 |
¶¡ |
pH=2 HZ |
pH=12 NaOH |
pH = b |
£¨1£©¼××éʵÑéÖÐHXΪÈõËᣬa 7£¨Ìî¡°£¼¡±£¬¡°£½¡±»ò¡°£¾¡±£©£¬
»ìºÏÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡Ë³ÐòΪ ¡£
£¨2£©ÒÒ×éʵÑéÖÐHYΪǿËᣬÔòHYÈÜÒºµÄpH= ¡£
£¨3£©±û×éʵÑé·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ £¬
ËùµÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc (OH£) = mol/L¡£
£¨4£©¶¡×éʵÑéÖÐb 7£¨Ìî¡°£¼¡±£¬¡°£½¡±»ò¡°£¾¡±£©¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2010-2011ѧÄêÎ÷²ØÀÈøÖÐѧ¸ßÈýµÚÎå´ÎÔ¿¼Àí×Û»¯Ñ§²¿·Ö ÌâÐÍ£ºÌî¿ÕÌâ
£¨Ã¿¿Õ3·Ö,¹²12·Ö£©³£ÎÂÏ£¬½«3ÖÖÒ»ÔªËá·Ö±ðºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬ÊµÑéÊý¾ÝÈçÏ£º
£¨1£©¼××éʵÑéÖÐHXΪÈõËᣬa______7£¨Ìî¡°£¼¡±£¬¡°£½¡±»ò¡°£¾¡±£©¡£
£¨2£©ÒÒ×éʵÑéÖÐHYΪǿËᣬÔòHYÈÜÒºµÄpH= ¡£
£¨3£©±û×éʵÑé·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ £¬
ËùµÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc(OH£) = mol/L¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
³£ÎÂÏ£¬½«3ÖÖÒ»ÔªËá·Ö±ðºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬ÊµÑéÊý¾ÝÈçÏ£º
×é±ð | Ò»ÔªËá | NaOH | »ìºÏÈÜÒºµÄpH |
¼× | c(HX)=0.1 mol/L | c(NaOH)=0.1mol/L | pH = a |
ÒÒ | c(HY)=c1 mol/L | c(NaOH)=0.1mol/L | pH = 7 |
±û | c(HZ)=0.1 mol/L | c(NaOH)=0.1mol/L | pH = 9 |
¶¡ | pH=2 HZ | pH=12 NaOH | pH = b |
£¨1£©¼××éʵÑéÖÐHXΪÈõËᣬa______7£¨Ìî¡°£¼¡±£¬¡°£½¡±»ò¡°£¾¡±£©£¬
»ìºÏÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡Ë³ÐòΪ ¡£
£¨2£©ÒÒ×éʵÑéÖÐHYΪǿËᣬÔòHYÈÜÒºµÄpH= ¡£
£¨3£©±û×éʵÑé·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ £¬
ËùµÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc (OH£) = mol/L¡£
£¨4£©¶¡×éʵÑéÖÐb 7£¨Ìî¡°£¼¡±£¬¡°£½¡±»ò¡°£¾¡±£©¡£
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com