¹ý̼ËáÄÆË׳ƹÌÌåË«ÑõË®£¬±»´óÁ¿Ó¦ÓÃÓÚÏ´µÓ¡¢Ó¡È¾¡¢·ÄÖ¯¡¢ÔìÖ½¡¢Ò½Ò©ÎÀÉúµÈÁìÓòÖУ¬ËüµÄÖƱ¸Ô­ÀíºÍ·ÏßÈçÏ£º2Na2CO3+3H2O2=2Na2CO3?3H2O2¡÷H£¼0

»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Óë¹ý̼ËáÄƵÄÓÃ;Ïà¹ØµÄ»¯Ñ§ÐÔÖÊÊÇ
Ç¿Ñõ»¯ÐÔ
Ç¿Ñõ»¯ÐÔ
£®
£¨2£©ÏÂÁÐÎïÖÊ¿Éʹ¹ý̼ËáÄƽϿìʧЧµÄÊÇ
abc
abc
£®
a£®MnO2     b£®H2S      c£®Ï¡ÁòËá      d£®NaHCO3
£¨3£©¼ÓÈëNaClµÄʵÑé²Ù×÷Ãû³ÆÊÇ
ÑÎÎö
ÑÎÎö
£»×÷ÓÃÊÇ
½µµÍ2Na2CO3?3H2O2Èܽâ¶È£¬Îö³ö¸ü¶à¾§Ìå
½µµÍ2Na2CO3?3H2O2Èܽâ¶È£¬Îö³ö¸ü¶à¾§Ìå
£®
£¨4£©¹¤Òµ´¿¼îÖк¬ÓÐFe3+µÈÔÓÖÊ£¬¼ÓÈëÎȶ¨¼ÁµÄ×÷ÓÃÊÇÓëFe3+Éú³ÉÎȶ¨µÄÅäºÏÎFe3+¶Ô·´Ó¦µÄ²»Á¼Ó°ÏìÊÇ
´ß»¯Ë«ÑõË®µÄ·Ö½â
´ß»¯Ë«ÑõË®µÄ·Ö½â
£®
£¨5£©·´Ó¦µÄ×î¼ÑζȿØÖÆÔÚ15¡æ¡«20¡æ£¬Î¶ÈÆ«¸ßʱÔì³É²úÂʵͿÉÄÜÊÇ
ζȸßʱ˫ÑõË®Ò×·Ö½â
ζȸßʱ˫ÑõË®Ò×·Ö½â
£¬Î¶ÈÆ«µÍʱÔì³É²úÂʵ͵ĿÉÄÜÊÇ
ζȵÍʱ·´Ó¦»ºÂý
ζȵÍʱ·´Ó¦»ºÂý
£®
£¨6£©ÒÔÉϳéÂ˹ý³ÌÖÐÒÅ©ÁËÒ»²½²Ù×÷£¬Ôì³ÉËùµÃ²úÆ·´¿¶ÈÆ«µÍ£¬¸Ã²½²Ù×÷µÄÃû³ÆÊÇ
Ï´µÓ
Ï´µÓ
£»½øÐиòÙ×÷µÄ·½·¨ÊÇ£º
ÏòÖÃÓÚ¹ýÂËÆ÷ÉϵijÁµí¼ÓÕôÁóË®ÖÁ¸ÕºÃÑÍû³Áµí£¬¾²Ö㬴ýË®×ÔÈ»Á÷³öºó£¬ÔÙÖظ´²Ù×÷Á½µ½Èý´Î
ÏòÖÃÓÚ¹ýÂËÆ÷ÉϵijÁµí¼ÓÕôÁóË®ÖÁ¸ÕºÃÑÍû³Áµí£¬¾²Ö㬴ýË®×ÔÈ»Á÷³öºó£¬ÔÙÖظ´²Ù×÷Á½µ½Èý´Î
£®
£¨7£©×¼È·³ÆÈ¡0.2000g ¹ý̼ËáÄÆÑùÆ·ÓÚ250mL ×¶ÐÎÆ¿ÖУ¬¼Ó50mL ÕôÁóË®Èܽ⣬ÔÙ¼Ó50mL 2.0mol?L-1 H2SO4£¬ÓÃ2.000¡Á10-2 mol?L-1 KMnO4 ±ê×¼ÈÜÒºµÎ¶¨ÖÁÖÕµãʱÏûºÄ30.00mL£¬Ôò²úÆ·ÖÐH2O2µÄÖÊÁ¿·ÖÊýΪ
25.50%
25.50%
£®
·ÖÎö£º£¨1£©¹ý̼ËáÄÆ£¨2Na2CO3?3H2O2£©Ë׳ƹÌÌåË«ÑõË®£¬¾ßÓÐÇ¿Ñõ»¯ÐÔ£»
£¨2£©¶þÑõ»¯ÃÌÄܹ»×ö´ß»¯¼Á£¬´Ù½øË«ÑõË®·Ö½â£»Áò»¯Çâ¾ßÓл¹Ô­ÐÔ£¬Äܹ»Óë¹ÌÌåË«ÑõË®·´Ó¦£»Ï¡ÁòËáÄܹ»Óë̼ËáÄÆ·´Ó¦£»Ì¼ËáÇâÄƲ»Óë¹ÌÌåË«ÑõË®·´Ó¦£»
£¨3£©¸ù¾Ý±¥ºÍÈÜÒºÖеÄÈܽâƽºâ½øÐзÖÎö£»
£¨4£©ÌúÀë×ÓÄܹ»×ö´ß»¯¼Á£¬´Ù½øË«ÑõË®µÄ·Ö½â£»
£¨5£©Ë«ÑõË®²»Îȶ¨£¬Î¶ȸßÁËÈÝÒ׷ֽ⣻ÈôÊÇζȵÍÁË£¬·´Ó¦ËÙÂÊÌ«Âý£»
£¨6£©Éú³ÉÁ÷³ÌÖл¹ÐèҪϴµÓ²Ù×÷£»
£¨7£©¸ù¾Ý¹ý̼ËáÄÆÑùÆ·ÓëKMnO4 µÄ¹ØϵÇó³ö²Î¼Ó·´Ó¦µÄ¹ý̼ËáÄƵÄÖÊÁ¿£¬½øÒ»²½Çó³öH2O2µÄÖÊÁ¿£¬ÔÙÇó³öÆäÔÚÑùÆ·Öеĺ¬Á¿£®
½â´ð£º½â£º£¨1£©ÓÉÓÚ¹ý̼ËáÄÆ£¨2Na2CO3?3H2O2£©Ë׳ƹÌÌåË«ÑõË®£¬¾ßÓÐ̼ËáÄƺÍË«ÑõË®µÄË«ÖØÐÔÖÊ£¬ËùÒÔ¾ßÓÐÇ¿Ñõ»¯ÐÔ£¬¹Ê´ð°¸Îª£ºÇ¿Ñõ»¯ÐÔ£»
£¨2£©a¡¢¶þÑõ»¯ÃÌÄܹ»×ö´ß»¯¼Á£¬´Ù½øË«ÑõË®·Ö½â£¬Ê¹¹ÌÌåË«ÑõˮʧЧ£¬¹ÊAÕýÈ·£»
b¡¢Áò»¯Çâ¾ßÓл¹Ô­ÐÔ£¬Äܹ»Óë¹ÌÌåË«ÑõË®·´Ó¦£¬Ê¹¹ÌÌåË«ÑõˮʧЧ£¬¹ÊBÕýÈ·£»
c¡¢Ï¡ÁòËáÄܹ»Óë̼ËáÄÆ·´Ó¦£¬Ê¹¹ÌÌåË«ÑõˮʧЧ£¬¹ÊCÕýÈ·£»
d¡¢Ì¼ËáÇâÄÆÓë¹ÌÌåË«ÑõË®²»·´Ó¦£¬²»»áʹ¹ÌÌåË«ÑõˮʧЧ£¬¹ÊD´íÎó£»
ËùÒÔÕýÈ·µÄÓÐabc£¬
¹Ê´ð°¸Îª£ºabc£»
£¨3£©¼ÓÈëÁËÂÈ»¯ÄÆÑÎÎö£¬ÈÜÒºÖÐÄÆÀë×ÓŨ¶ÈÔö´ó£¬½µµÍÁ˹ÌÌåË«ÑõË®µÄÈܽâ¶È£¬»áÎö³ö¸ü¶à¾§Ì壬
¹Ê´ð°¸Îª£ºÑÎÎö£»½µµÍ2Na2CO3?3H2O2Èܽâ¶È£¬Îö³ö¸ü¶à¾§Ì壻
£¨4£©ÌúÀë×ÓÄܹ»×ö´ß»¯¼Á£¬´Ù½øË«ÑõË®µÄ·Ö½â£¬¹Ê´ð°¸Îª£º´ß»¯Ë«ÑõË®µÄ·Ö½â£»
£¨5£©ÓÉÓÚË«ÑõË®²»Îȶ¨£¬Î¶ȸßÁËÈÝÒ׷ֽ⣻ÈôÊÇζȵÍÁË£¬·´Ó¦ËÙÂÊÌ«Âý£»¹Ê´ð°¸Îª£ºÎ¶ȸßʱ˫ÑõË®Ò׷ֽ⣻ Î¶ȵÍʱ·´Ó¦Âý£»
£¨6£©Éú³ÉÁ÷³ÌÖÐÐèҪϴµÓ²Ù×÷£¬¾ßÌå²Ù×÷·½·¨Îª£ºÏòÖÃÓÚ¹ýÂËÆ÷ÉϵijÁµí¼ÓÕôÁóË®ÖÁ¸ÕºÃÑÍû³Áµí£¬¾²Ö㬴ýË®×ÔÈ»Á÷³öºó£¬ÔÙÖظ´²Ù×÷Á½µ½Èý´Î£»
¹Ê´ð°¸Îª£ºÏ´µÓ£»ÏòÖÃÓÚ¹ýÂËÆ÷ÉϵijÁµí¼ÓÕôÁóË®ÖÁ¸ÕºÃÑÍû³Áµí£¬¾²Ö㬴ýË®×ÔÈ»Á÷³öºó£¬ÔÙÖظ´²Ù×÷Á½µ½Èý´Î£»
£¨7£©Éè²Î¼Ó·´Ó¦µÄ2Na2CO3?3H2O2Ϊnmol£®
     ¸ù¾Ý¹Øϵʽ£º6KMnO4¡«¡«¡«¡«¡«¡«¡«¡«¡«¡«5£¨2Na2CO3?3H2O2£©                                     6mol                         5mol
£¨2.000¡Á10-2 mol?L-1¡Á30.00 mL¡Á10-3 L/mL£©     n
   ËùÒÔ n £¨2Na2CO3?3H2O2£©=0.0005mol
   Ôòm £¨2Na2CO3?3H2O2£©=0.0005mol¡Á314g/mol=0.517g
         ËùÒÔm£¨H2O2£©=0.517g¡Á
3M(H2O2)
M (2Na2CO3?3H2O2)
=0.517g¡Á
102
314
=0.051g
¹Êw£¨H2O2£©=
0.051g
0.2000g 
¡Á100%=25.50%£®¹Ê´ð°¸Îª£º25.50%£®
µãÆÀ£º±¾Ì⿼²éÁ˹ÌÌåË«ÑõË®¹ý̼ËáÄÆ£¨2Na2CO3?3H2O2£©µÄÖÆÈ¡·½·¨£¬¼°ÆäÐÔÖÊ£¬Éæ¼°ÄÚÈݽ϶࣬³ä·Ö¿¼²éÁËѧÉúµÄ×ÛºÏÄÜÁ¦£¬±¾ÌâÄѶÈÉÔ´ó£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(Ñ¡×öÌâ)¡¾»¯Ñ§Óë¼¼ÊõÄ£¿é¡¿

¹ý̼ËáÄÆË׳ƹÌÌåË«ÑõË®£¬±»´óÁ¿Ó¦ÓÃÓÚÏ´µÓ¡¢Ó¡È¾¡¢·ÄÖ¯¡¢ÔìÖ½¡¢Ò½Ò©ÎÀÉúµÈÁìÓòÖУ¬ËüµÄÖƱ¸Ô­ÀíºÍ·ÏßÈçÏ£º2Na2CO3+ 3H2O2*2Na2CO3¡¤3H2O2 ¦¤H£¼0£¬»Ø´ðÏÂÁÐÎÊÌ⣺

(1)Óë¹ý̼ËáÄƵÄÓÃ;Ïà¹ØµÄ»¯Ñ§ÐÔÖÊÊÇ______________________¡£

(2)ÏÂÁÐÎïÖÊ¿Éʹ¹ý̼ËáÄƽϿìʧЧµÄÊÇ________________________________¡£

A.MnO2              B.H2S                      C.Ï¡ÁòËá              D.NaHCO3

(3)¼ÓÈëNaClµÄ×÷ÓÃÊÇ________________________________¡£

(4)¹¤Òµ´¿¼îÖк¬ÓÐFe3+µÈÔÓÖÊ£¬¼ÓÈëÎȶ¨¼ÁµÄ×÷ÓÃÊÇÓëFe3+Éú³ÉÎȶ¨µÄÅäºÏÎFe3+¶Ô·´Ó¦µÄ²»Á¼Ó°ÏìÊÇ________________________________¡£

(5)·´Ó¦µÄ×î¼ÑζȿØÖÆÔÚ15 ¡æ¡ª20 ¡æ£¬Î¶ÈÆ«¸ßʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓÐ________________£¬Î¶ÈÆ«µÍʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓÐ________________¡£

(6)ÒÔÉÏÉú²úÁ÷³ÌÖÐÒÅ©ÁËÒ»²½£¬Ôì³ÉËùµÃ²úÆ·´¿¶ÈÆ«µÍ£¬¸Ã²½²Ù×÷µÄÃû³ÆÊÇ____________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¹ý̼ËáÄÆË׳ƹÌÌåË«ÑõË®£¬±»´óÁ¿Ó¦ÓÃÓÚÏ´µÓ¡¢Ó¡È¾¡¢·ÄÖ¯¡¢ÔìÖ½¡¢Ò½Ò©ÎÀÉúµÈÁìÓòÖУ¬ËüµÄÖƱ¸Ô­ÀíºÍ·ÏßÈçÏ£º

       2Na2CO3 + 3H2O2 = 2 Na2CO3?3H2O2     ¡÷H<0

»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Óë¹ý̼ËáÄƵÄÓÃ;Ïà¹ØµÄ»¯Ñ§ÐÔÖÊÊÇ                           ¡£

£¨2£©ÏÂÁÐÎïÖÊ¿Éʹ¹ý̼ËáÄƽϿìʧЧµÄÊÇ                           ¡£

A£®MnO2      B£®H2S      C£®Ï¡ÁòËá      D£®NaHCO3

£¨3£©¼ÓÈëNaClµÄ×÷ÓÃÊÇ                                                   ¡£

£¨4£©¹¤Òµ´¿¼îÖк¬ÓÐFe3+µÈÔÓÖÊ£¬¼ÓÈëÎȶ¨¼ÁµÄ×÷ÓÃÊÇÓëFe3+Éú³ÉÎȶ¨µÄÅäºÏÎFe3+¶Ô·´Ó¦µÄ²»Á¼Ó°ÏìÊÇ                                                   ¡£

£¨5£©·´Ó¦µÄ×î¼ÑζȿØÖÆÔÚ15¡æ¡«20¡æ£¬Î¶ÈÆ«¸ßʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓР        £¬  

ζÈÆ«µÍʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓР                                ¡£

£¨6£©ÒÔÉÏÉú²úÁ÷³ÌÖÐÒÅ©ÁËÒ»²½£¬Ôì³ÉËùµÃ²úÆ·´¿¶ÈÆ«µÍ£¬¸Ã²½²Ù×÷µÄÃû³ÆÊÇ           ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¹ý̼ËáÄÆË׳ƹÌÌåË«ÑõË®£¬±»´óÁ¿Ó¦ÓÃÓÚÏ´µÓ¡¢Ó¡È¾¡¢·ÄÖ¯¡¢ÔìÖ½¡¢Ò½Ò©ÎÀÉúµÈÁìÓòÖУ¬ËüµÄÖƱ¸Ô­ÀíºÍ·ÏßÈçÏ£º

      2Na2CO3 + 3H2O2 = 2 Na2CO3?3H2O2     ¡÷H<0

   

»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Óë¹ý̼ËáÄƵÄÓÃ;Ïà¹ØµÄ»¯Ñ§ÐÔÖÊÊÇ          ¡£

£¨2£©ÏÂÁÐÎïÖÊ¿Éʹ¹ý̼ËáÄƽϿìʧЧµÄÊÇ        ¡£

A£®MnO2      B£®H2S      C£®Ï¡ÁòËá      D£®NaHCO3

£¨3£©¼ÓÈëNaClµÄ×÷ÓÃÊÇ                  ¡£

£¨4£©¹¤Òµ´¿¼îÖк¬ÓÐFe3+µÈÔÓÖÊ£¬¼ÓÈëÎȶ¨¼ÁµÄ×÷ÓÃÊÇÓëFe3+Éú³ÉÎȶ¨µÄÅäºÏÎFe3+¶Ô·´Ó¦µÄ²»Á¼Ó°ÏìÊÇ        ¡£

£¨5£©·´Ó¦µÄ×î¼ÑζȿØÖÆÔÚ15¡æ¡«20¡æ£¬Î¶ÈÆ«¸ßʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓР         £¬Î¶ÈÆ«µÍʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓР         ¡£

£¨6£©ÒÔÉÏÉú²úÁ÷³ÌÖÐÒÅ©ÁËÒ»²½£¬Ôì³ÉËùµÃ²úÆ·´¿¶ÈÆ«µÍ£¬¸Ã²½²Ù×÷µÄÃû³ÆÊÇ       ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¹ý̼ËáÄÆË׳ƹÌÌåË«ÑõË®£¬±»´óÁ¿Ó¦ÓÃÓÚÏ´µÓ¡¢Ó¡È¾¡¢·ÄÖ¯¡¢ÔìÖ½¡¢Ò½Ò©ÎÀÉúµÈÁìÓòÖУ¬ËüµÄÖƱ¸Ô­ÀíºÍ·ÏßÈçÏ£º2Na2CO3 + 3H2O2 £½2Na2CO3?3H2O2    ¡÷H<0£¬»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Óë¹ý̼ËáÄƵÄÓÃ;Ïà¹ØµÄ»¯Ñ§ÐÔÖÊÊÇ          ¡£

£¨2£©ÏÂÁÐÎïÖÊ¿Éʹ¹ý̼ËáÄƽϿìʧЧµÄÊÇ         ¡£

A£®MnO2      B£®H2S      C£®Ï¡ÁòËá      D£®NaHCO3

£¨3£©¼ÓÈëNaClµÄ×÷ÓÃÊÇ                   ¡£

£¨4£©¹¤Òµ´¿¼îÖк¬ÓÐFe3+µÈÔÓÖÊ£¬¼ÓÈëÎȶ¨¼ÁµÄ×÷ÓÃÊÇÓëFe3+Éú³ÉÎȶ¨µÄÅäºÏÎFe3+¶Ô·´Ó¦µÄ²»Á¼Ó°ÏìÊÇ         ¡£

£¨5£©·´Ó¦µÄ×î¼ÑζȿØÖÆÔÚ15¡æ¡«20¡æ£¬Î¶ÈÆ«¸ßʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓР    

          £¬Î¶ÈÆ«µÍʱÔì³É²úÂʵ͵ĿÉÄÜÔ­ÒòÓР        ¡£

£¨6£©ÒÔÉÏÉú²úÁ÷³ÌÖÐÒÅ©ÁËÒ»²½£¬Ôì³ÉËùµÃ²úÆ·´¿¶ÈÆ«µÍ£¬¸Ã²½²Ù×÷µÄÃû³ÆÊÇ      ¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸