ijÑо¿ÐÔС×é½øÐÐÈçÏÂʵÑ飺³£ÎÂÏ£¬½«Ä³Ò»ÔªËáHAºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬Á½ÖÖÈÜÒºµÄŨ¶ÈºÍ»ìºÏºóËùµÃÈÜÒºµÄpHÈçÏÂ±í£º

ʵÑé±àºÅ

HAÎïÖʵÄÁ¿Å¨¶È(mol/L)

NaOHÎïÖʵÄÁ¿Å¨¶È(mol/L)

»ìºÏÈÜÒºµÄpH

¢Ù

0.1

0.1

pH£½9

¢Ú

c

0.2

pH£½7

¢Û

0.2

0.1

pH£¼7

Çë»Ø´ð£º

(1)´Ó¢Ù×éÇé¿ö·ÖÎö£¬HAÊÇÇ¿ËỹÊÇÈõË᣿__________(Ìî¡°Ç¿Ëᡱ»ò¡°ÈõËᡱ)¡£

(2)¢Ú×éÇé¿ö±íÃ÷£¬c____   0.2 mol/L(Ì¡¢©‚»ò£½)¡£»ìºÏÒºÖÐÀë×ÓŨ¶Èc(A£­)        c(Na£«)£¨Ì¡¢©‚»ò£½£©¡£

(3)´Ó¢Û×éʵÑé½á¹û·ÖÎö£¬ËµÃ÷HAµÄµçÀë³Ì¶È______NaAµÄË®½â³Ì¶È(Ì¡¢©‚»ò£½)£¬¸Ã»ìºÏÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ_____               ___¡£

(4)¢Ù×éʵÑéËùµÃ»ìºÏÈÜÒºÖÐÓÉË®µçÀë³öµÄc(OH£­)£½____________mol¡¤L£­1¡£

£¨12·Ö£©(1) ÈõËá¡¡   (2)£¾£¬£½   (3) £¾ £¬c(A£­)£¾c(Na£«)£¾c(H£«)£¾c(OH£­)   (4)10£­5

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2011?ÁúÑÒÄ£Ä⣩ijÑо¿ÐÔС×éÄâÓÃÏÂÊö·½°¸²â¶¨Ò»·ÝÑÇÁòËáÄÆÊÔÑùµÄÑõ»¯±äÖʳ̶ȣ®
·½°¸Ò»£º¸ù¾ÝÊÔÑùÓë×ãÁ¿70%ÁòËá·´Ó¦²úÉúµÄSO2ÆøÌåÌå»ýÀ´²â¶¨£®
£¨1£©Çë´ÓͼÖÐÑ¡ÓÃÊʵ±µÄ×°Öã¬×°ÖõÄÁ¬½Ó˳ÐòÊÇ£¨Ìî½Ó¿Ú×Öĸ£©
aedh
aedh
£®
£¨2£©°´Í¼Á¬½ÓºÃÒÇÆ÷£¬½øÐÐÆøÃÜÐÔ¼ì²éµÄ²Ù×÷ÊÇ
¹Ø±Õ·ÖҺ©¶·»îÈû£¬½«ÓҲർ¹Ü·ÅÈëË®ÖУ¬ÓÃÊÖÎæÈÈ׶ÐÎÆ¿£¬Èôµ¼¹Ü¿Ú´¦ÓÐÆøÅÝð³ö£¬ËÉÊֺ󣬵¼Æø¹ÜÄÚÉÏÉýÒ»¶ÎÎȶ¨µÄË®Öù£¬ÔòÖ¤Ã÷ÆøÃÜÐÔÍêºÃ
¹Ø±Õ·ÖҺ©¶·»îÈû£¬½«ÓҲർ¹Ü·ÅÈëË®ÖУ¬ÓÃÊÖÎæÈÈ׶ÐÎÆ¿£¬Èôµ¼¹Ü¿Ú´¦ÓÐÆøÅÝð³ö£¬ËÉÊֺ󣬵¼Æø¹ÜÄÚÉÏÉýÒ»¶ÎÎȶ¨µÄË®Öù£¬ÔòÖ¤Ã÷ÆøÃÜÐÔÍêºÃ
£®
£¨3£©¼××°ÖÃÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
Na2SO3+H2SO4£¨Å¨£©¨TNa2SO4+SO2¡ü+H2O
Na2SO3+H2SO4£¨Å¨£©¨TNa2SO4+SO2¡ü+H2O
£®
£¨4£©³ÆÈ¡2.0gÊÔÑù£¬²âµÃÆøÌåÌå»ý112mL£¨±ê¿ö£©£¬ÔòNa2SO3µÄÖÊÁ¿·ÖÊýΪ
31.5%
31.5%
£®
·½°¸¶þ£º¸ù¾ÝÊÔÑùÓë±µÑÎÈÜÒº·´Ó¦²úÉúÁòËá±µ³ÁµíµÄÖÊÁ¿À´²â¶¨£®Á÷³ÌÈçÏ£º

£¨5£©²Ù×÷2Ãû³ÆÊÇ
Ï´µÓ
Ï´µÓ
£¬Æä²Ù×÷·½·¨ÊÇ
Óò£Á§°ôÒýÁ÷£¬Íù©¶·ÖеijÁµíÉϼÓÈëÕôÁóË®ÖÁ½þû³Áµí£¬´ýÒºÌåÁ÷¾»£¬Öظ´²Ù×÷2-3´Î
Óò£Á§°ôÒýÁ÷£¬Íù©¶·ÖеijÁµíÉϼÓÈëÕôÁóË®ÖÁ½þû³Áµí£¬´ýÒºÌåÁ÷¾»£¬Öظ´²Ù×÷2-3´Î
£®ÈôȱÉٸòÙ×÷£¬²âµÃµÄNa2SO3ÖÊÁ¿·ÖÊý
ƫС
ƫС
£¨ÌîÆ«´ó¡¢Æ«Ð¡»ò²»±ä£©£®
£¨6£©¼×¡¢ÒÒÁ½Í¬Ñ§¿ªÕ¹ÊµÑéʱ£¬·Ö±ð°´Ï±íÐðÊö¿ªÕ¹¡°²Ù×÷1¡±£¨ÆäÓà²Ù×÷ÏàͬÇÒ·ûºÏʵÑé¹æ·¶ÒªÇ󣩣¬²¢µÃµ½±íÖÐËùʾµÄ³ÁµíÖÊÁ¿ºÍÑÇÁòËáÄÆÖÊÁ¿·ÖÊý£¨Na2SO3%£©µÄ¼ÆËã±í´ïʽ£º
   ²Ù×÷1 ³ÁµíÖÊÁ¿  Na2SO3%¼ÆËã±í´ïʽ 
 ¼×  ÏÈÍùÈÜÒºÖмÓÈë×ãÁ¿ÑÎËᣬÔÙµÎÈë×ãÁ¿BaCl2ÈÜÒº  b¿Ë  £¨1-
142b
233a
£©¡Á100%
 ÒÒ ÏÈÍùÈÜÒºÖмÓÈë×ãÁ¿Ba£¨NO3£©2 ÈÜÒº£¬ÔÙµÎÈë×ãÁ¿ÑÎËá  c¿Ë £¨1-
142c
233a
£©¡Á100%
ÒÒ
ÒÒ
£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©µÄ¡°Na2SO3%¼ÆËã±í´ïʽ¡±ÓÐÎÊÌ⣬ÒòΪ
ÏȼÓ×ãÁ¿µÄÏõËá±µÈÜÒº£¬ÔÙµÎÈë×ãÁ¿ÑÎËᣬ²úÉúµÄÑÇÁòËá±µ³ÁµíÒº»á±»ÏõËáÑõ»¯ÎªÁòËá±µ³Áµí
ÏȼÓ×ãÁ¿µÄÏõËá±µÈÜÒº£¬ÔÙµÎÈë×ãÁ¿ÑÎËᣬ²úÉúµÄÑÇÁòËá±µ³ÁµíÒº»á±»ÏõËáÑõ»¯ÎªÁòËá±µ³Áµí
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(12·Ö)ijÑо¿ÐÔС×é½øÐÐÈçÏÂʵÑ飺³£ÎÂÏ£¬½«Ä³Ò»ÔªËáHAºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬Á½ÖÖÈÜÒºµÄŨ¶ÈºÍ»ìºÏºóËùµÃÈÜÒºµÄpHÈçÏÂ±í£º

ʵÑé±àºÅ

HAÎïÖʵÄÁ¿Å¨¶È(mol/L)

NaOHÎïÖʵÄÁ¿Å¨¶È(mol/L)

»ìºÏÈÜÒºµÄpH

¢Ù

0.1

0.1

pH£½9

¢Ú

c

0.2

pH£½7

¢Û

0.2

0.1

pH£¼7

Çë»Ø´ð£º

(1)´Ó¢Ù×éÇé¿ö·ÖÎö£¬HAÊÇÇ¿ËỹÊÇÈõË᣿__________(Ìî¡°Ç¿Ëᡱ»ò¡°ÈõËᡱ)¡£

(2)¢Ú×éÇé¿ö±íÃ÷£¬c____   0.2mol/L(Ì¡¢©‚»ò£½)¡£»ìºÏÒºÖÐÀë×ÓŨ¶Èc(A£­)       c(Na£«)£¨Ì¡¢©‚»ò£½£©¡£

(3)´Ó¢Û×éʵÑé½á¹û·ÖÎö£¬ËµÃ÷HAµÄµçÀë³Ì¶È______NaAµÄË®½â³Ì¶È (Ì¡¢©‚»ò£½)£¬¸Ã»ìºÏÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ_____              ___¡£

(4)¢Ù×éʵÑéËùµÃ»ìºÏÈÜÒºÖÐÓÉË®µçÀë³öµÄc(OH£­)£½____________mol¡¤L£­1¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2010¡ª2011ѧÄêºþÄÏÊ¡´ÈÀûÒ»Öи߶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

(12·Ö)ijÑо¿ÐÔС×é½øÐÐÈçÏÂʵÑ飺³£ÎÂÏ£¬½«Ä³Ò»ÔªËáHAºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬Á½ÖÖÈÜÒºµÄŨ¶ÈºÍ»ìºÏºóËùµÃÈÜÒºµÄpHÈçÏÂ±í£º

ʵÑé±àºÅ
HAÎïÖʵÄÁ¿Å¨¶È(mol/L)
NaOHÎïÖʵÄÁ¿Å¨¶È(mol/L)
»ìºÏÈÜÒºµÄpH
¢Ù
0.1
0.1
pH£½9
¢Ú
c
0.2
pH£½7
¢Û
0.2
0.1
pH£¼7
Çë»Ø´ð£º
(1)´Ó¢Ù×éÇé¿ö·ÖÎö£¬HAÊÇÇ¿ËỹÊÇÈõË᣿__________(Ìî¡°Ç¿Ëᡱ»ò¡°ÈõËᡱ)¡£
(2)¢Ú×éÇé¿ö±íÃ÷£¬c____  0.2 mol/L(Ì¡¢©‚»ò£½)¡£»ìºÏÒºÖÐÀë×ÓŨ¶Èc(A£­)       c(Na£«)£¨Ì¡¢©‚»ò£½£©¡£
(3)´Ó¢Û×éʵÑé½á¹û·ÖÎö£¬ËµÃ÷HAµÄµçÀë³Ì¶È______NaAµÄË®½â³Ì¶È(Ì¡¢©‚»ò£½)£¬¸Ã»ìºÏÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ_____              ___¡£
(4)¢Ù×éʵÑéËùµÃ»ìºÏÈÜÒºÖÐÓÉË®µçÀë³öµÄc(OH£­)£½____________mol¡¤L£­1¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2012½ìºþÄÏÊ¡¸ß¶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

(12·Ö)ijÑо¿ÐÔС×é½øÐÐÈçÏÂʵÑ飺³£ÎÂÏ£¬½«Ä³Ò»ÔªËáHAºÍNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬Á½ÖÖÈÜÒºµÄŨ¶ÈºÍ»ìºÏºóËùµÃÈÜÒºµÄpHÈçÏÂ±í£º

ʵÑé±àºÅ

HAÎïÖʵÄÁ¿Å¨¶È(mol/L)

NaOHÎïÖʵÄÁ¿Å¨¶È(mol/L)

»ìºÏÈÜÒºµÄpH

¢Ù

0.1

0.1

pH£½9

¢Ú

c

0.2

pH£½7

¢Û

0.2

0.1

pH£¼7

Çë»Ø´ð£º

(1)´Ó¢Ù×éÇé¿ö·ÖÎö£¬HAÊÇÇ¿ËỹÊÇÈõË᣿__________(Ìî¡°Ç¿Ëᡱ»ò¡°ÈõËᡱ)¡£

(2)¢Ú×éÇé¿ö±íÃ÷£¬c____   0.2 mol/L(Ì¡¢©‚»ò£½)¡£»ìºÏÒºÖÐÀë×ÓŨ¶Èc(A£­)        c(Na£«)£¨Ì¡¢©‚»ò£½£©¡£

(3)´Ó¢Û×éʵÑé½á¹û·ÖÎö£¬ËµÃ÷HAµÄµçÀë³Ì¶È______NaAµÄË®½â³Ì¶È (Ì¡¢©‚»ò£½)£¬¸Ã»ìºÏÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ_____               ___¡£

(4)¢Ù×éʵÑéËùµÃ»ìºÏÈÜÒºÖÐÓÉË®µçÀë³öµÄc(OH£­)£½____________mol¡¤L£­1¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸