¡¡¡¡ÊµÑéÊÒÓÐÁ½Æ¿ÈÜÒº£¬¶¼ÒÑʧȥ±êÇ©£¬ÒÑÖªÆäÖÐһƿÊÇÁòËáÈÜÒº£¬ÁíһƿÊÇÕáÌÇÈÜÒº£®Í¬Ñ§ÃÇÉè¼ÆÁËÏÂÁз½°¸¶ÔÈÜÒº½øÐмø±ð£º

¡¡¡¡AÓÃPHÊÔÖ½·Ö±ð²â¶¨Á½ÈÜÒºµÄPH£®PH£¼7µÄÊÇÁòËáÈÜÒº£¬PH£½7µÄÊÇÕáÌÇÈÜÒº£®

¡¡¡¡BÈ¡Ñù£¬·Ö±ðÏòÁ½ÈÜÒºÖеμÓÑÎËáËữµÄÂÈ»¯±µÈÜÒº£¬Éú³É°×É«³ÁµíµÄÊÇÁòËáÈÜÒº£¬²»²úÉú³ÁµíµÄÊÇÕáÌÇÈÜÒº£®

¡¡¡¡CÈ¡Ñù£¬·Ö±ðÏòÁ½ÈÜÒºÖмÓÈëһСƬͭƬ£¬²úÉúÆøÌåµÄÊÇÁòËáÈÜÒº£¬²»²úÉúÆøÌåµÄÊÇÕáÌÇÈÜÒº£®

¡¡¡¡DÈ¡Ñù£¬·Ö±ð½øÐе¼µçÐÔʵÑ飬Äܵ¼µçµÄÊÇÁòËáÈÜÒº£¬²»Äܵ¼µçµÄÊÇÕáÌÇÈÜÒº£®

¡¡¡¡E·Ö±ðÈ¡¼«ÉÙÁ¿ÈÜÒº³¢Ò»³¢£¬ÓÐÌðζµÄÊÇÕáÌÇÈÜÒº£¬ÓÐËáζµÄÊÇÁòËáÈÜÒº£®

(1)

ÉÏÊöʵÑé·½°¸¼°½áÂÛÕýÈ·µÄÊÇ________(ÌîÐòºÅ)£®

(2)

ÇëÄãÉè¼ÆÁíÒ»¸öʵÑé·½°¸¼ø±ðÁòËáÈÜÒººÍÕáÌÇÈÜÒº£®

ʵÑé·½°¸£º

´ð°¸£º1£®AB;2£®ÎÅÆøζ¼ø±ð;
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨¢ñ£©£¨6·Ö£©ÏÖÓÐÏÂÁÐÎïÖÊ£º ¢ÙNaCl¾§Ìå¡¡¢ÚҺ̬SO2¡¡¢Û´¿´×Ëá¡¡¢ÜÁòËá±µ¡¡¢ÝÍ­  ¢Þ¾Æ¾«£¨C2H5OH£© ¢ßÈÛ»¯µÄKCl¡¡¢àNaOHÈÜÒº¡¡

 ÇëÓÃÒÔÉÏÎïÖʻشðÏÂÁÐÎÊÌâ¡££¨ÌîÐòºÅ£©

£¨1£©ÔÚÉÏÊö״̬ÏÂÄܵ¼µçµÄÎïÖÊÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£»

£¨2£©ÊôÓÚÈõµç½âÖʵÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£»

£¨3£©ÊôÓڷǵç½âÖÊ£¬µ«ÈÜÓÚË®ºóµÄË®ÈÜÒºÄܵ¼µçµÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£»

£¨¢ò£©£¨4·Ö£©

ij»¯Ñ§ÊµÑéС×é̽¾¿ÊÐÊÛʳÓð״×Öд×ËáµÄµÄ׼ȷŨ¶È£¬È¡25.00mLijƷÅÆʳÓð×

´×ÓÚ׶ÐÎÆ¿ÖУ¬ÔÚʵÑéÊÒÓÃŨ¶ÈΪcb mol/LµÄ±ê×¼NaOHÈÜÒº¶ÔÆä½øÐеζ¨¡£

£¨1£©×óͼ±íʾ50mLµÎ¶¨¹ÜÖÐÒºÃæµÄλÖã¬ÈôAÓëC¿Ì¶È¼äÏà²îl mL£¬  

A´¦µÄ¿Ì¶ÈΪ25£¬µÎ¶¨¹ÜÖÐÒºÃæ¶ÁÊýӦΪ¡¡¡¡¡¡¡¡¡¡mL¡£

£¨2£©ÎªÁ˼õСʵÑéÎó²î£¬¸Ãͬѧһ¹²½øÐÐÁËÈý´ÎʵÑ飬¼ÙÉèÿ´Î

    ËùÈ¡°×´×Ìå»ý¾ùΪVmL£¬NaOH±ê׼ҺŨ¶ÈΪc mo1/L£¬Èý´Îʵ

    Ñé½á¹û¼Ç¼ÈçÏ£º  

ʵÑé´ÎÊý

µÚÒ»´Î

µÚ¶þ´Î

µÚÈý´Î

ÏûºÄNaOHÈÜÒºÌå»ý/mL

26.02

25.35

25.30

´ÓÉϱí¿ÉÒÔ¿´³ö£¬µÚÒ»´ÎʵÑéÖмǼÏûºÄNaOHÈÜÒºµÄÌå»ýÃ÷ÏÔ¶àÓÚºóÁ½´Î£¬

ÆäÔ­Òò¿ÉÄÜÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£

A£®µÎ¶¨Ç°µÎ¶¨¹Ü¼â×ìÓÐÆøÅÝ£¬µÎ¶¨½áÊøÎÞÆøÅÝ

B£®Ê¢×°±ê×¼ÒºµÄµÎ¶¨¹ÜװҺǰÓÃÕôÁóË®ÈóÏ´¹ý£¬Î´Óñê×¼ÒºÈóÏ´

C£®µÚÒ»´ÎµÎ¶¨ÓõÄ׶ÐÎƿδÈóÏ´

D£®µÎ¶¨½áÊøʱ£¬¸©ÊÓ¶ÁÊý

£¨3£©¸ù¾ÝËù¸øÊý¾Ý£¬Ð´³ö¼ÆËã¸Ã°×´×Öд×ËáµÄÎïÖʵÄÁ¿Å¨¶ÈµÄ±í´ïʽ(²»±Ø»¯¼ò)£º

c£½¡¡¡¡¡¡¡¡¡¡    ¡¡¡¡¡¡ ¡£

£¨¢ó£©£¨15·Ö£©

ÒÑÖª£ºÔÚ25ʱH2OH++OH-¡¡KW=10-14¡¡ CH3COOHH++ CH3COO£­¡¡Ka=1.8¡Á10-5

£¨1£©È¡ÊÊÁ¿´×ËáÈÜÒº£¬¼ÓÈëÉÙÁ¿´×ËáÄƹÌÌ壬´ËʱÈÜÒºÖÐC£¨H+£©ÓëC£¨CH3COOH£©

µÄ±ÈÖµ¡¡   ¡¡£¨Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±»ò¡°²»±ä¡±£©

£¨2£©´×ËáÄÆË®½âµÄÀë×Ó·½³ÌʽΪ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£µ±Éý¸ßζÈʱ£¬C(OH¡ª)½«¡¡¡¡¡¡¡¡

£¨Ìî¡°Ôö´ó¡±¡°¼õС¡±¡°²»±ä¡±£©£»

£¨3£©0£®5mol¡¤L-1´×ËáÄÆÈÜÒºpHΪm£¬ÆäË®½âµÄ³Ì¶È£¨ÒÑË®½âµÄ´×ËáÄÆÓëÔ­Óд×ËáÄÆ

µÄ±ÈÖµ£©Îªa£»1mol¡¤L-1´×ËáÄÆÈÜÒºpHΪn£¬Ë®½âµÄ³Ì¶ÈΪb£¬ÔòmÓënµÄ¹Øϵ

Ϊ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¬aÓëbµÄ¹ØϵΪ¡¡¡¡¡¡¡¡¡¡£¨Ìî¡°´óÓÚ¡±¡°Ð¡ÓÚ¡±¡°µÈÓÚ¡±£©£»

£¨4£©½«µÈÌå»ýµÈŨ¶ÈµÄ´×ËáºÍÇâÑõ»¯ÄÆÈÜÒº»ìºÏºó£¬ËùµÃÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡       ¡¡¡¡¡¡ ¡£

£¨5£©Èô´×ËáºÍÇâÑõ»¯ÄÆÈÜÒº»ìºÏºópH<7£¬Ôòc£¨Na+£©_______________ c£¨CH3COO£­£©£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©£¬

£¨6£©ÈôÓÉpH£½3µÄHAÈÜÒºV1mLÓëpH£½11µÄNaOH{ÈÜÒºV2 mL¡£»ìºÏ¶øµÃ£¬ÔòÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ____________¡£

A£®Èô·´Ó¦ºóÈÜÒº³ÊÖÐÐÔ£¬Ôòc£¨H+£©+c£¨OH£­£©£½2¡Á10£­7mol¡¤L£­1

B£®ÈôV1=V2£¬·´Ó¦ºóÈÜÒºpHÒ»¶¨µÈÓÚ7

C£®Èô·´Ó¦ºóÈÜÒº³ÊËáÐÔ£¬ÔòV1Ò»¶¨´óÓÚV2

D£®Èô·´Ó¦ºóÈÜÒº³Ê¼îÐÔ£¬ÔòV1Ò»¶¨Ð¡ÓÚV2

£¨7£©ÔÚijÈÜÒºÖк¬Mg2+¡¢Cd2+¡¢Zn2+ÈýÖÖÀë×ÓµÄŨ¶È¾ùΪ0.01mol¡¤L-1¡£ÏòÆäÖмÓÈë¹Ì

Ìå´×ËáÄƺó²âµÃÈÜÒºµÄC(OH-)Ϊ2.2¡Á10-5mol¡¤L-1£¬ÒÔÉÏÈýÖÖ½ðÊôÀë×ÓÖÐ

¡¡¡¡¡¡¡¡           ÄÜÉú³É³Áµí£¬Ô­ÒòÊÇ¡¡¡¡                            ¡¡

£¨KSP£ÛMg£¨OH£©2£Ý=1.8¡Á10-11¡¢KSP£ÛZn£¨OH£©2£Ý=1.2¡Á10-17¡¢KSP£ÛCd£¨OH£©2£Ý=2.5¡Á10-14£©

£¨8£©È¡10mL0.5mol¡¤L-1ÑÎËáÈÜÒº£¬¼ÓˮϡÊ͵½500mL£¬Ôò¸ÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©

 =¡¡¡¡¡¡    ¡¡¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄ긣½¨Ê¦´ó¸½Öи߶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

£¨¢ñ£©£¨6·Ö£©ÏÖÓÐÏÂÁÐÎïÖÊ£º ¢ÙNaCl¾§Ìå¡¡¢ÚҺ̬SO2¡¡¢Û´¿´×Ëá¡¡¢ÜÁòËá±µ¡¡¢ÝÍ­  ¢Þ¾Æ¾«£¨C2H5OH£© ¢ßÈÛ»¯µÄKCl¡¡¢àNaOHÈÜÒº¡¡
ÇëÓÃÒÔÉÏÎïÖʻشðÏÂÁÐÎÊÌâ¡££¨ÌîÐòºÅ£©
£¨1£©ÔÚÉÏÊö״̬ÏÂÄܵ¼µçµÄÎïÖÊÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £»
£¨2£©ÊôÓÚÈõµç½âÖʵÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £»
£¨3£©ÊôÓڷǵç½âÖÊ£¬µ«ÈÜÓÚË®ºóµÄË®ÈÜÒºÄܵ¼µçµÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £»
£¨¢ò£©£¨4·Ö£©
ij»¯Ñ§ÊµÑéС×é̽¾¿ÊÐÊÛʳÓð״×Öд×ËáµÄµÄ׼ȷŨ¶È£¬È¡25.00mLijƷÅÆʳÓð×
´×ÓÚ׶ÐÎÆ¿ÖУ¬ÔÚʵÑéÊÒÓÃŨ¶ÈΪcb mol/LµÄ±ê×¼NaOHÈÜÒº¶ÔÆä½øÐеζ¨¡£
£¨1£©×óͼ±íʾ50mLµÎ¶¨¹ÜÖÐÒºÃæµÄλÖã¬ÈôAÓëC¿Ì¶È¼äÏà²îl mL£¬  
A´¦µÄ¿Ì¶ÈΪ25£¬µÎ¶¨¹ÜÖÐÒºÃæ¶ÁÊýӦΪ¡¡¡¡¡¡¡¡¡¡mL¡£

£¨2£©ÎªÁ˼õСʵÑéÎó²î£¬¸Ãͬѧһ¹²½øÐÐÁËÈý´ÎʵÑ飬¼ÙÉèÿ´Î
ËùÈ¡°×´×Ìå»ý¾ùΪVmL£¬NaOH±ê׼ҺŨ¶ÈΪc mo1/L£¬Èý´Îʵ
Ñé½á¹û¼Ç¼ÈçÏ£º  

ʵÑé´ÎÊý
µÚÒ»´Î
µÚ¶þ´Î
µÚÈý´Î
ÏûºÄNaOHÈÜÒºÌå»ý/mL
26.02
25.35
25.30
´ÓÉϱí¿ÉÒÔ¿´³ö£¬µÚÒ»´ÎʵÑéÖмǼÏûºÄNaOHÈÜÒºµÄÌå»ýÃ÷ÏÔ¶àÓÚºóÁ½´Î£¬
ÆäÔ­Òò¿ÉÄÜÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£
A£®µÎ¶¨Ç°µÎ¶¨¹Ü¼â×ìÓÐÆøÅÝ£¬µÎ¶¨½áÊøÎÞÆøÅÝ
B£®Ê¢×°±ê×¼ÒºµÄµÎ¶¨¹ÜװҺǰÓÃÕôÁóË®ÈóÏ´¹ý£¬Î´Óñê×¼ÒºÈóÏ´
C£®µÚÒ»´ÎµÎ¶¨ÓõÄ׶ÐÎƿδÈóÏ´
D£®µÎ¶¨½áÊøʱ£¬¸©ÊÓ¶ÁÊý
£¨3£©¸ù¾ÝËù¸øÊý¾Ý£¬Ð´³ö¼ÆËã¸Ã°×´×Öд×ËáµÄÎïÖʵÄÁ¿Å¨¶ÈµÄ±í´ïʽ(²»±Ø»¯¼ò)£º
c£½¡¡¡¡¡¡¡¡¡¡    ¡¡¡¡¡¡ ¡£
£¨¢ó£©£¨15·Ö£©
ÒÑÖª£ºÔÚ25ʱH2OH++OH-¡¡KW=10-14¡¡ CH3COOH H++ CH3COO£­¡¡Ka=1.8¡Á10-5
£¨1£©È¡ÊÊÁ¿´×ËáÈÜÒº£¬¼ÓÈëÉÙÁ¿´×ËáÄƹÌÌ壬´ËʱÈÜÒºÖÐC£¨H+£©ÓëC£¨CH3COOH£©
µÄ±ÈÖµ¡¡  ¡¡ £¨Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±»ò¡°²»±ä¡±£©
£¨2£©´×ËáÄÆË®½âµÄÀë×Ó·½³ÌʽΪ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£µ±Éý¸ßζÈʱ£¬C(OH¡ª)½«¡¡¡¡¡¡¡¡
£¨Ìî¡°Ôö´ó¡±¡°¼õС¡±¡°²»±ä¡±£©£»
£¨3£©0£®5mol¡¤L-1´×ËáÄÆÈÜÒºpHΪm£¬ÆäË®½âµÄ³Ì¶È£¨ÒÑË®½âµÄ´×ËáÄÆÓëÔ­Óд×ËáÄÆ
µÄ±ÈÖµ£©Îªa£»1mol¡¤L-1´×ËáÄÆÈÜÒºpHΪn£¬Ë®½âµÄ³Ì¶ÈΪb£¬ÔòmÓënµÄ¹Øϵ
Ϊ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¬aÓëbµÄ¹ØϵΪ¡¡¡¡¡¡¡¡¡¡£¨Ìî¡°´óÓÚ¡±¡°Ð¡ÓÚ¡±¡°µÈÓÚ¡±£©£»
£¨4£©½«µÈÌå»ýµÈŨ¶ÈµÄ´×ËáºÍÇâÑõ»¯ÄÆÈÜÒº»ìºÏºó£¬ËùµÃÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡      ¡¡¡¡¡¡ ¡£
£¨5£©Èô´×ËáºÍÇâÑõ»¯ÄÆÈÜÒº»ìºÏºópH<7£¬Ôòc£¨Na+£©_______________ c£¨CH3COO£­£©£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©£¬
£¨6£©ÈôÓÉpH£½3µÄHAÈÜÒºV1mLÓëpH£½11µÄNaOH{ÈÜÒºV2 mL¡£»ìºÏ¶øµÃ£¬ÔòÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ____________¡£
A£®Èô·´Ó¦ºóÈÜÒº³ÊÖÐÐÔ£¬Ôòc£¨H+£©+c£¨OH£­£©£½2¡Á10£­7mol¡¤L£­1
B£®ÈôV1=V2£¬·´Ó¦ºóÈÜÒºpHÒ»¶¨µÈÓÚ7
C£®Èô·´Ó¦ºóÈÜÒº³ÊËáÐÔ£¬ÔòV1Ò»¶¨´óÓÚV2
D£®Èô·´Ó¦ºóÈÜÒº³Ê¼îÐÔ£¬ÔòV1Ò»¶¨Ð¡ÓÚV2
£¨7£©ÔÚijÈÜÒºÖк¬Mg2+¡¢Cd2+¡¢Zn2+ÈýÖÖÀë×ÓµÄŨ¶È¾ùΪ0.01mol¡¤L-1¡£ÏòÆäÖмÓÈë¹Ì
Ìå´×ËáÄƺó²âµÃÈÜÒºµÄC(OH-)Ϊ2.2¡Á10-5mol¡¤L-1£¬ÒÔÉÏÈýÖÖ½ðÊôÀë×ÓÖÐ
¡¡¡¡¡¡¡¡           ÄÜÉú³É³Áµí£¬Ô­ÒòÊÇ¡¡¡¡                            ¡¡
£¨KSP£ÛMg£¨OH£©2£Ý=1.8¡Á10-11¡¢KSP£ÛZn£¨OH£©2£Ý=1.2¡Á10-17¡¢KSP£ÛCd£¨OH£©2£Ý=2.5¡Á10-14£©
£¨8£©È¡10mL0.5mol¡¤L-1ÑÎËáÈÜÒº£¬¼ÓˮϡÊ͵½500mL£¬Ôò¸ÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©
=¡¡¡¡¡¡   ¡¡¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013½ì¸£½¨Ê¦´ó¸½Öи߶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

£¨¢ñ£©£¨6·Ö£©ÏÖÓÐÏÂÁÐÎïÖÊ£º ¢ÙNaCl¾§Ìå¡¡¢ÚҺ̬SO2¡¡¢Û´¿´×Ëá¡¡¢ÜÁòËá±µ¡¡¢ÝÍ­  ¢Þ¾Æ¾«£¨C2H5OH£© ¢ßÈÛ»¯µÄKCl¡¡¢àNaOHÈÜÒº¡¡

 ÇëÓÃÒÔÉÏÎïÖʻشðÏÂÁÐÎÊÌâ¡££¨ÌîÐòºÅ£©

£¨1£©ÔÚÉÏÊö״̬ÏÂÄܵ¼µçµÄÎïÖÊÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £»

£¨2£©ÊôÓÚÈõµç½âÖʵÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £»

£¨3£©ÊôÓڷǵç½âÖÊ£¬µ«ÈÜÓÚË®ºóµÄË®ÈÜÒºÄܵ¼µçµÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £»

£¨¢ò£©£¨4·Ö£©

ij»¯Ñ§ÊµÑéС×é̽¾¿ÊÐÊÛʳÓð״×Öд×ËáµÄµÄ׼ȷŨ¶È£¬È¡25.00mLijƷÅÆʳÓð×

´×ÓÚ׶ÐÎÆ¿ÖУ¬ÔÚʵÑéÊÒÓÃŨ¶ÈΪcb mol/LµÄ±ê×¼NaOHÈÜÒº¶ÔÆä½øÐеζ¨¡£

£¨1£©×óͼ±íʾ50mLµÎ¶¨¹ÜÖÐÒºÃæµÄλÖã¬ÈôAÓëC¿Ì¶È¼äÏà²îl mL£¬  

A´¦µÄ¿Ì¶ÈΪ25£¬µÎ¶¨¹ÜÖÐÒºÃæ¶ÁÊýӦΪ¡¡¡¡¡¡¡¡¡¡mL¡£

£¨2£©ÎªÁ˼õСʵÑéÎó²î£¬¸Ãͬѧһ¹²½øÐÐÁËÈý´ÎʵÑ飬¼ÙÉèÿ´Î

    ËùÈ¡°×´×Ìå»ý¾ùΪVmL£¬NaOH±ê׼ҺŨ¶ÈΪc mo1/L£¬Èý´Îʵ

    Ñé½á¹û¼Ç¼ÈçÏ£º  

ʵÑé´ÎÊý

µÚÒ»´Î

µÚ¶þ´Î

µÚÈý´Î

ÏûºÄNaOHÈÜÒºÌå»ý/mL

26.02

25.35

25.30

´ÓÉϱí¿ÉÒÔ¿´³ö£¬µÚÒ»´ÎʵÑéÖмǼÏûºÄNaOHÈÜÒºµÄÌå»ýÃ÷ÏÔ¶àÓÚºóÁ½´Î£¬

ÆäÔ­Òò¿ÉÄÜÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£

A£®µÎ¶¨Ç°µÎ¶¨¹Ü¼â×ìÓÐÆøÅÝ£¬µÎ¶¨½áÊøÎÞÆøÅÝ

B£®Ê¢×°±ê×¼ÒºµÄµÎ¶¨¹ÜװҺǰÓÃÕôÁóË®ÈóÏ´¹ý£¬Î´Óñê×¼ÒºÈóÏ´

C£®µÚÒ»´ÎµÎ¶¨ÓõÄ׶ÐÎƿδÈóÏ´

D£®µÎ¶¨½áÊøʱ£¬¸©ÊÓ¶ÁÊý

£¨3£©¸ù¾ÝËù¸øÊý¾Ý£¬Ð´³ö¼ÆËã¸Ã°×´×Öд×ËáµÄÎïÖʵÄÁ¿Å¨¶ÈµÄ±í´ïʽ(²»±Ø»¯¼ò)£º

c£½¡¡¡¡¡¡¡¡¡¡     ¡¡¡¡¡¡ ¡£

£¨¢ó£©£¨15·Ö£©

ÒÑÖª£ºÔÚ25ʱH2OH++OH-¡¡KW=10-14¡¡ CH3COOH H++ CH3COO£­¡¡Ka=1.8¡Á10-5

£¨1£©È¡ÊÊÁ¿´×ËáÈÜÒº£¬¼ÓÈëÉÙÁ¿´×ËáÄƹÌÌ壬´ËʱÈÜÒºÖÐC£¨H+£©ÓëC£¨CH3COOH£©

µÄ±ÈÖµ¡¡   ¡¡ £¨Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±»ò¡°²»±ä¡±£©

£¨2£©´×ËáÄÆË®½âµÄÀë×Ó·½³ÌʽΪ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£µ±Éý¸ßζÈʱ£¬C(OH¡ª)½«¡¡¡¡¡¡¡¡

£¨Ìî¡°Ôö´ó¡±¡°¼õС¡±¡°²»±ä¡±£©£»

£¨3£©0£®5mol¡¤L-1´×ËáÄÆÈÜÒºpHΪm£¬ÆäË®½âµÄ³Ì¶È£¨ÒÑË®½âµÄ´×ËáÄÆÓëÔ­Óд×ËáÄÆ

µÄ±ÈÖµ£©Îªa£»1mol¡¤L-1´×ËáÄÆÈÜÒºpHΪn£¬Ë®½âµÄ³Ì¶ÈΪb£¬ÔòmÓënµÄ¹Øϵ

Ϊ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¬aÓëbµÄ¹ØϵΪ¡¡¡¡¡¡¡¡¡¡£¨Ìî¡°´óÓÚ¡±¡°Ð¡ÓÚ¡±¡°µÈÓÚ¡±£©£»

£¨4£©½«µÈÌå»ýµÈŨ¶ÈµÄ´×ËáºÍÇâÑõ»¯ÄÆÈÜÒº»ìºÏºó£¬ËùµÃÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡       ¡¡¡¡¡¡ ¡£

£¨5£©Èô´×ËáºÍÇâÑõ»¯ÄÆÈÜÒº»ìºÏºópH<7£¬Ôòc£¨Na+£©_______________ c£¨CH3COO£­£©£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©£¬

£¨6£©ÈôÓÉpH£½3µÄHAÈÜÒºV1mLÓëpH£½11µÄNaOH{ÈÜÒºV2 mL¡£»ìºÏ¶øµÃ£¬ÔòÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ____________¡£

A£®Èô·´Ó¦ºóÈÜÒº³ÊÖÐÐÔ£¬Ôòc£¨H+£©+c£¨OH£­£©£½2¡Á10£­7mol¡¤L£­1

B£®ÈôV1=V2£¬·´Ó¦ºóÈÜÒºpHÒ»¶¨µÈÓÚ7

C£®Èô·´Ó¦ºóÈÜÒº³ÊËáÐÔ£¬ÔòV1Ò»¶¨´óÓÚV2

D£®Èô·´Ó¦ºóÈÜÒº³Ê¼îÐÔ£¬ÔòV1Ò»¶¨Ð¡ÓÚV2

£¨7£©ÔÚijÈÜÒºÖк¬Mg2+¡¢Cd2+¡¢Zn2+ÈýÖÖÀë×ÓµÄŨ¶È¾ùΪ0.01mol¡¤L-1¡£ÏòÆäÖмÓÈë¹Ì

Ìå´×ËáÄƺó²âµÃÈÜÒºµÄC(OH-)Ϊ2.2¡Á10-5mol¡¤L-1£¬ÒÔÉÏÈýÖÖ½ðÊôÀë×ÓÖÐ

¡¡¡¡¡¡¡¡            ÄÜÉú³É³Áµí£¬Ô­ÒòÊÇ¡¡¡¡                             ¡¡

£¨KSP£ÛMg£¨OH£©2£Ý=1.8¡Á10-11¡¢KSP£ÛZn£¨OH£©2£Ý=1.2¡Á10-17¡¢KSP£ÛCd£¨OH£©2£Ý=2.5¡Á10-14£©

£¨8£©È¡10mL0.5mol¡¤L-1ÑÎËáÈÜÒº£¬¼ÓˮϡÊ͵½500mL£¬Ôò¸ÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©

 =¡¡¡¡¡¡    ¡¡¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡°¾ÆÊdzµÄÏ㡱£¬¾ÍÊÇÒòΪ¾ÆÔÚ´¢´æ¹ý³ÌÖÐÉú³ÉÁËÓÐÏãζµÄÒÒËáÒÒõ¥£¬ÔÚʵÑéÊÒÎÒÃÇÒ²¿ÉÒÔÓÃÈçÓÒͼËùʾµÄ×°ÖÃÖÆÈ¡ÒÒËáÒÒõ¥¡£»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÒÒ´¼¡¢ÒÒËá·Ö×ÓÖеĹÙÄÜÍÅ·Ö±ðÊÇ¡¡¡¡¡¡ ¡¢¡¡¡¡¡¡¡¡

£¨2£©×°ÖÃÖе¼¹ÜÒª²åÔÚ±¥ºÍ̼ËáÄÆÈÜÒºµÄÒºÃæÉÏ£¬²»ÄܲåÈëÈÜÒºÖУ¬Ä¿µÄÊÇ·ÀÖ¹¡¡¡¡¡¡¡¡ ¡¡¡£

£¨3£©¸Ã·´Ó¦ÊôÓÚÄÄÀà·´Ó¦ÀàÐÍ¡¡¡¡¡¡¡¡¡¡¡¡ ¡£

A£®¼Ó³É·´Ó¦¡¡ B£®È¡´ú·´Ó¦¡¡ C£®Ë®½â·´Ó¦¡¡

D£®õ¥»¯·´Ó¦¡¡¡¡ E£®¿ÉÄæ·´Ó¦

£¨4£©Ð´³öÖÆÈ¡ÒÒËáÒÒõ¥µÄ»¯Ñ§·´Ó¦·½³Ìʽ

¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£

£¨5£©ÎÞË®ÒÒËáÓֳƱù´×ËᣨÈÛµã16.6¡æ£©¡£ÔÚÊÒνϵÍʱ£¬ÎÞË®ÒÒËá¾Í»áÄý½á³ÉÏñ±ùÒ»ÑùµÄ¾§Ìå¡£Çë¼òµ¥ËµÃ÷ÔÚʵÑéÖÐÈôÓöµ½ÕâÖÖÇé¿öʱ£¬Ä㽫ÈçºÎ´ÓÊÔ¼ÁÆ¿ÖÐÈ¡³öÎÞË®ÒÒË᣿

¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£

£¨6£©ÒÒ´¼ÔÚÒ»¶¨Ìõ¼þÏ»¹ÄÜ·¢ÉúÍÑË®·´Ó¦²úÉúÒÒÏ©¡£ÒÒϩͨÈëäåµÄËÄÂÈ»¯Ì¼ÈÜÒºÖУ¬¹Û²ìµ½µÄÏÖÏóÊÇ¡¡¡¡¡¡¡¡ ¡¡¡¡£»Æä·´Ó¦·½³ÌʽΪ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£

´ËÍ⣬ÒÒÏ©ÄÜÓÃÀ´Éú²ú»·ÑõÒÒÍ飬Éú²ú¹¤ÒÕÖ÷ÒªÓÐÁ½ÖÖ£º

¹¤ÒÕÒ»£º

¹¤ÒÕ¶þ£º¡¡

¸ù¾ÝÂÌÉ«»¯Ñ§µÄÔ­Ôò£¬ÀíÏëµÄÉú²ú¹¤ÒÕÊÇÔ­×Ó¾­¼ÃÐԺõķ´Ó¦£¬Òò´Ë£¬ÔÚʵ¼ÊÉú²úÖУ¬Ó¦²ÉÓá¡¡¡¡¡¡¡¡¡¡¡ £¨Ìî¡°¹¤ÒÕÒ»¡±»ò¡°¹¤ÒÕ¶þ¡±£©¸ü»·±£¡¢¸ü¾­¼Ã¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸