£¨15·Ö£©

£¨1£©ÏÂÁÐÊÂʵÖУ¬ÄÜÖ¤Ã÷ÑÇÁòËáµÄËáÐÔÇ¿ÓÚÇâÁòËáµÄÊÇ       £¨Ìî×Öĸ£©¡£

a£®ÑÇÁòËáÊÜÈÈʱÒ×·Ö½â

b£®ÏàͬÌõ¼þÏ£¬µÈŨ¶ÈµÄÑÇÁòËáÈÜÒºµ¼µçÄÜÁ¦Ç¿ÓÚÇâÁòËá

c£®ÑÇÁòËáÈÜÒº¿ÉʹƷºìÈÜÒºÍÊÉ«£¬¶øÇâÁòËá²»ÄÜ

d£®³£ÎÂÏ£¬Å¨¶È¾ùΪ0.1mol£¯LµÄH2SO3ÈÜÒººÍH2SÈÜÒºµÄpH·Ö±ðÊÇ2.1ºÍ4.5

£¨2£©¹¤ÒµÉϳýÈ¥¸ßѹ¹øÓÃË®ÖÐÈܽâµÄÑõÆø³£ÓõÄÊÔ¼ÁÓÐNa2SO3ºÍN2H4£¨ë£©¡£

¢ÙÒÑÖª16gҺ̬µÄëÂÓëÑõÆø·´Ó¦µÃµ½µªÆøºÍҺ̬ˮʱ£¬·ÅÈÈ354.87kJ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ                                ¡£

¢Ú³ýÈ¥µÈÖÊÁ¿µÄO2£¬ËùºÄNa2SO3ºÍN2H4µÄÖÊÁ¿±ÈÊÇ          £¨Ìî×î¼òÕûÊý±È£©¡£

£¨3£©ÏòNa2SO3ºÍNa2SµÄ»ìºÏÈÜÒºÖмÓÈëÏ¡ÑÎËᣬÈÜÒºÖлá²úÉú´óÁ¿µ­»ÆÉ«³Áµí¡£Ôò¸Ã·´Ó¦ÖÐÑõ»¯¼ÁºÍ»¹Ô­¼ÁµÄÎïÖʵÄÁ¿Ö®±ÈÊÇ                         ¡£

£¨4£©ÒÑÖªNa2SO3ÔÚ¸ßÎÂÏ·¢Éú·Ö½â£¬µÃµ½Á½ÖÖ²úÎijͬѧ³ÆÈ¡25.2g´¿¾»µÄNa2SO3¡¤7H2O¾§ÌåÔÚ¸ßÎÂϸô¾ø¿ÕÆø¼ÓÈÈÖÁºãÖØ£¬ÀäÈ´ºó³ÆµÃ¹ÌÌåΪ12.6g£¬½«ÆäÍêÈ«ÈÜÓÚË®Åä³É1LÈÜÒº£¬²¢²âÈÜÒºµÄpH¡£

¢ÙNa2SO3¸ßηֽâµÄ»¯Ñ§·½³ÌʽÊÇ                                   ¡£

¢Ú²âµÃÈÜÒºµÄpH´óÓÚ0.025mol£¯LNa2SO3ÈÜÒºµÄpH£¬ÊÔ½âÊÍÔ­Òò£¨½áºÏÀë×Ó·½³Ìʽ˵Ã÷£©                                                            ¡£

 

£¨1£©b¡¢d£¨2·Ö£©

£¨2£©¢Ù£¨3·Ö£©

¢Ú63£º8  £¨2·Ö£©£¨3£©1£º2 £¨2·Ö£©

£¨4£©¢Ù£¨3·Ö£©

¢ÚS2-·¢ÉúË®½â,ÆäË®½â³Ì¶È´óÓÚ£¬ËùÒÔ»ì

ºÏÒºpH´óÓÚNa2SO3ÈÜÒº¡££¨3·Ö£©

½âÎö:

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÏÂÁÐÊÂʵÖУ¬ÄÜÖ¤Ã÷ÁòËáÊÇÇ¿ËáµÄÊÇ£¨¡¡¡¡£©
A¡¢ÄÜʹʯÈïÊÔÒº±äºìB¡¢Äܸúп·´Ó¦²úÉúÇâÆøC¡¢1 mol/L ÁòËáÈÜÒºÖÐH+ Å¨¶ÈΪ2 mol/LD¡¢ÄÜÓë̼ËáÄÆ·´Ó¦·Å³ö¶þÑõ»¯Ì¼ÆøÌå

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2010ÄêºÓÄÏÊ¡Ö£ÖÝÍâ¹úÓïѧУȫÕæÄ£Ä⣨¶þ£©£¨Àí¿Æ×ۺϣ©»¯Ñ§²¿·Ö ÌâÐÍ£ºÌî¿ÕÌâ

£¨15·Ö£©
£¨1£©ÏÂÁÐÊÂʵÖУ¬ÄÜÖ¤Ã÷ÑÇÁòËáµÄËáÐÔÇ¿ÓÚÇâÁòËáµÄÊÇ       £¨Ìî×Öĸ£©¡£
a£®ÑÇÁòËáÊÜÈÈʱÒ×·Ö½â
b£®ÏàͬÌõ¼þÏ£¬µÈŨ¶ÈµÄÑÇÁòËáÈÜÒºµ¼µçÄÜÁ¦Ç¿ÓÚÇâÁòËá
c£®ÑÇÁòËáÈÜÒº¿ÉʹƷºìÈÜÒºÍÊÉ«£¬¶øÇâÁòËá²»ÄÜ
d£®³£ÎÂÏ£¬Å¨¶È¾ùΪ0.k^s*5#u1mol£¯LµÄH2SO3ÈÜÒººÍH2SÈÜÒºµÄpH·Ö±ðÊÇ2.k^s*5#u1ºÍ4.k^s*5#u5
£¨2£©¹¤ÒµÉϳýÈ¥¸ßѹ¹øÓÃË®ÖÐÈܽâµÄÑõÆø³£ÓõÄÊÔ¼ÁÓÐNa2SO3ºÍN2H4£¨ë£©¡£
¢ÙÒÑÖª16gҺ̬µÄëÂÓëÑõÆø·´Ó¦µÃµ½µªÆøºÍҺ̬ˮʱ£¬·ÅÈÈ354.k^s*5#u87kJ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ                                ¡£
¢Ú³ýÈ¥µÈÖÊÁ¿µÄO2£¬ËùºÄNa2SO3ºÍN2H4µÄÖÊÁ¿±ÈÊÇ          £¨Ìî×î¼òÕûÊý±È£©¡£
£¨3£©ÏòNa2SO3ºÍNa2SµÄ»ìºÏÈÜÒºÖмÓÈëÏ¡ÑÎËᣬÈÜÒºÖлá²úÉú´óÁ¿µ­»ÆÉ«³Áµí¡£Ôò¸Ã·´Ó¦ÖÐÑõ»¯¼ÁºÍ»¹Ô­¼ÁµÄÎïÖʵÄÁ¿Ö®±ÈÊÇ                         ¡£
£¨4£©ÒÑÖªNa2SO3ÔÚ¸ßÎÂÏ·¢Éú·Ö½â£¬µÃµ½Á½ÖÖ²úÎijͬѧ³ÆÈ¡25.k^s*5#u2g´¿¾»µÄNa2SO3¡¤7H2O¾§ÌåÔÚ¸ßÎÂϸô¾ø¿ÕÆø¼ÓÈÈÖÁºãÖØ£¬ÀäÈ´ºó³ÆµÃ¹ÌÌåΪ12.k^s*5#u6g£¬½«ÆäÍêÈ«ÈÜÓÚË®Åä³É1LÈÜÒº£¬²¢²âÈÜÒºµÄpH¡£
¢ÙNa2SO3¸ßηֽâµÄ»¯Ñ§·½³ÌʽÊÇ                                   ¡£
¢Ú²âµÃÈÜÒºµÄpH´óÓÚ0.k^s*5#u025mol£¯LNa2SO3ÈÜÒºµÄpH£¬ÊÔ½âÊÍÔ­Òò£¨½áºÏÀë×Ó·½³Ìʽ˵Ã÷£©                                                            ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2010ÄêºÓÄÏÊ¡È«ÕæÄ£Ä⣨¶þ£©£¨Àí¿Æ×ۺϣ©»¯Ñ§²¿·Ö ÌâÐÍ£ºÌî¿ÕÌâ

£¨15·Ö£©

£¨1£©ÏÂÁÐÊÂʵÖУ¬ÄÜÖ¤Ã÷ÑÇÁòËáµÄËáÐÔÇ¿ÓÚÇâÁòËáµÄÊÇ        £¨Ìî×Öĸ£©¡£

a£®ÑÇÁòËáÊÜÈÈʱÒ×·Ö½â

b£®ÏàͬÌõ¼þÏ£¬µÈŨ¶ÈµÄÑÇÁòËáÈÜÒºµ¼µçÄÜÁ¦Ç¿ÓÚÇâÁòËá

c£®ÑÇÁòËáÈÜÒº¿ÉʹƷºìÈÜÒºÍÊÉ«£¬¶øÇâÁòËá²»ÄÜ

d£®³£ÎÂÏ£¬Å¨¶È¾ùΪ0.1mol£¯LµÄH2SO3ÈÜÒººÍH2SÈÜÒºµÄpH·Ö±ðÊÇ2.1ºÍ4.5

£¨2£©¹¤ÒµÉϳýÈ¥¸ßѹ¹øÓÃË®ÖÐÈܽâµÄÑõÆø³£ÓõÄÊÔ¼ÁÓÐNa2SO3ºÍN2H4£¨ë£©¡£

¢ÙÒÑÖª16gҺ̬µÄëÂÓëÑõÆø·´Ó¦µÃµ½µªÆøºÍҺ̬ˮʱ£¬·ÅÈÈ354.87kJ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ                                 ¡£

¢Ú³ýÈ¥µÈÖÊÁ¿µÄO2£¬ËùºÄNa2SO3ºÍN2H4µÄÖÊÁ¿±ÈÊÇ           £¨Ìî×î¼òÕûÊý±È£©¡£

£¨3£©ÏòNa2SO3ºÍNa2SµÄ»ìºÏÈÜÒºÖмÓÈëÏ¡ÑÎËᣬÈÜÒºÖлá²úÉú´óÁ¿µ­»ÆÉ«³Áµí¡£Ôò¸Ã·´Ó¦ÖÐÑõ»¯¼ÁºÍ»¹Ô­¼ÁµÄÎïÖʵÄÁ¿Ö®±ÈÊÇ                          ¡£

£¨4£©ÒÑÖªNa2SO3ÔÚ¸ßÎÂÏ·¢Éú·Ö½â£¬µÃµ½Á½ÖÖ²úÎijͬѧ³ÆÈ¡25.2g´¿¾»µÄNa2SO3¡¤7H2O¾§ÌåÔÚ¸ßÎÂϸô¾ø¿ÕÆø¼ÓÈÈÖÁºãÖØ£¬ÀäÈ´ºó³ÆµÃ¹ÌÌåΪ12.6g£¬½«ÆäÍêÈ«ÈÜÓÚË®Åä³É1LÈÜÒº£¬²¢²âÈÜÒºµÄpH¡£

¢ÙNa2SO3¸ßηֽâµÄ»¯Ñ§·½³ÌʽÊÇ                                    ¡£

¢Ú²âµÃÈÜÒºµÄpH´óÓÚ0.025mol£¯LNa2SO3ÈÜÒºµÄpH£¬ÊÔ½âÊÍÔ­Òò£¨½áºÏÀë×Ó·½³Ìʽ˵Ã÷£©                                                             ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨1£©ÏÂÁÐÊÂʵÖУ¬ÄÜÖ¤Ã÷ÑÇÁòËáµÄËáÐÔÇ¿ÓÚÇâÁòËáµÄÊÇ        £¨Ìî×Öĸ£©¡£

a£®ÑÇÁòËáÊÜÈÈʱÒ×·Ö½â

b£®ÏàͬÌõ¼þÏ£¬µÈŨ¶ÈµÄÑÇÁòËáÈÜÒºµ¼µçÄÜÁ¦Ç¿ÓÚÇâÁòËá

c£®ÑÇÁòËáÈÜÒº¿ÉʹƷºìÈÜÒºÍÊÉ«£¬¶øÇâÁòËá²»ÄÜ

d£®³£ÎÂÏ£¬Å¨¶È¾ùΪ0.k^s*5#u1mol£¯LµÄH2SO3ÈÜÒººÍH2SÈÜÒºµÄpH·Ö±ðÊÇ2.k^s*5#u1ºÍ4.k^s*5#u5

£¨2£©¹¤ÒµÉϳýÈ¥¸ßѹ¹øÓÃË®ÖÐÈܽâµÄÑõÆø³£ÓõÄÊÔ¼ÁÓÐNa2SO3ºÍN2H4£¨ë£©¡£

¢ÙÒÑÖª16gҺ̬µÄëÂÓëÑõÆø·´Ó¦µÃµ½µªÆøºÍҺ̬ˮʱ£¬·ÅÈÈ354.k^s*5#u87kJ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ                                 ¡£

¢Ú³ýÈ¥µÈÖÊÁ¿µÄO2£¬ËùºÄNa2SO3ºÍN2H4µÄÖÊÁ¿±ÈÊÇ           £¨Ìî×î¼òÕûÊý±È£©¡£

£¨3£©ÏòNa2SO3ºÍNa2SµÄ»ìºÏÈÜÒºÖмÓÈëÏ¡ÑÎËᣬÈÜÒºÖлá²úÉú´óÁ¿µ­»ÆÉ«³Áµí¡£Ôò¸Ã·´Ó¦ÖÐÑõ»¯¼ÁºÍ»¹Ô­¼ÁµÄÎïÖʵÄÁ¿Ö®±ÈÊÇ                          ¡£

£¨4£©ÒÑÖªNa2SO3ÔÚ¸ßÎÂÏ·¢Éú·Ö½â£¬µÃµ½Á½ÖÖ²úÎijͬѧ³ÆÈ¡25.k^s*5#u2g´¿¾»µÄNa2SO3¡¤7H2O¾§ÌåÔÚ¸ßÎÂϸô¾ø¿ÕÆø¼ÓÈÈÖÁºãÖØ£¬ÀäÈ´ºó³ÆµÃ¹ÌÌåΪ12.k^s*5#u6g£¬½«ÆäÍêÈ«ÈÜÓÚË®Åä³É1LÈÜÒº£¬²¢²âÈÜÒºµÄpH¡£

¢ÙNa2SO3¸ßηֽâµÄ»¯Ñ§·½³ÌʽÊÇ                                    ¡£

¢Ú²âµÃÈÜÒºµÄpH´óÓÚ0.k^s*5#u025mol£¯LNa2SO3ÈÜÒºµÄpH£¬ÊÔ½âÊÍÔ­Òò£¨½áºÏÀë×Ó·½³Ìʽ˵Ã÷£©                                                             ¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸