£¨6·Ö£©(1)Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2 mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍ10±¶£¬ÈÜÒºµÄpH·Ö±ð±ä³ÉmºÍn£¬ÔòmÓënµÄ¹ØϵΪ              ¡£
(2)Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍm±¶¡¢n±¶£¬ÈÜÒºµÄpH¶¼±ä³É3£¬ÔòmÓënµÄ¹ØϵΪ               ¡£
(3)Ìå»ýÏàͬ£¬pH¾ùµÈÓÚ13µÄ°±Ë®ºÍNaOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍm±¶¡¢n±¶£¬ÈÜÒºµÄpH¶¼±ä³É9£¬ÔòmÓënµÄ¹ØϵΪ              ¡£

£¨6·Ö£©(1) m£¼n          (2) m£¾n          (3) m£¾n

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2010?º£ÄÏÄ£Ä⣩£¨1£©Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍ10±¶£¬ÈÜÒºµÄpH·Ö±ð±ä³ÉmºÍn£¬ÔòmÓënµÄ¹ØϵΪ
m£¼n
m£¼n
£¬Ï¡ÊͺóÁ½ÈÜÒºÖкÍNaOHÈÜÒºµÄÄÜÁ¦
Ïàͬ
Ïàͬ
£®
£¨2£©Ìå»ýÏàͬ£¬pH¾ùµÈÓÚ3µÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓÈëµÈŨ¶ÈµÄNaHCO3µÄÈÜÒº£¬¿ªÊ¼Ê±·Å³ö¶þÑõ»¯Ì¼µÄËÙÂÊÑÎËá
µÈÓÚ
µÈÓÚ
´×ËᣨÌî¡°´óÓÚ¡±¡°µÈÓÚ¡±¡°Ð¡ÓÚ¡±£©
£¨3£©³£ÎÂÏ£¬½«pH=2µÄÑÎËáºÍpH=12µÄ°±Ë®µÈÌå»ý»ìºÏ£¬»ìºÏºóÈÜÒºµÄpH
´óÓÚ
´óÓÚ
7£¨Ìî¡°´óÓÚ¡±¡°µÈÓÚ¡±¡°Ð¡ÓÚ¡±£©£®²¢½âÊÍÄãËùÌîÑ¡ÏîµÄÀíÓÉ
һˮºÏ°±ÎªÈõµç½âÖÊ£¬°±Ë®Öл¹ÓдóÁ¿Î´µçÀëµÄһˮºÏ°±£¬HClΪǿµç½âÖÊ£¬µÈÌå»ýµÈpHÖµµÄÑÎËáºÍ°±Ë®»ìºÏºó£¬°±Ë®´ó´ó¹ýÁ¿£¬¹ÊÈÜÒº³Ê¼îÐÔ£¬pHÖµ´óÓÚ7
һˮºÏ°±ÎªÈõµç½âÖÊ£¬°±Ë®Öл¹ÓдóÁ¿Î´µçÀëµÄһˮºÏ°±£¬HClΪǿµç½âÖÊ£¬µÈÌå»ýµÈpHÖµµÄÑÎËáºÍ°±Ë®»ìºÏºó£¬°±Ë®´ó´ó¹ýÁ¿£¬¹ÊÈÜÒº³Ê¼îÐÔ£¬pHÖµ´óÓÚ7
£®
£¨4£©ÈçºÎÖ¤Ã÷´×ËáÊÇÈõË᣿
²âÁ¿³£ÎÂÏ£¬0.01mol/LµÄCH3COOHÈÜÒºµÄpHÖµ£¬ÈôpHÖµ´óÓÚ2£¬ÔòÖ¤Ã÷´×ËáΪÈõµç½âÖÊ
²âÁ¿³£ÎÂÏ£¬0.01mol/LµÄCH3COOHÈÜÒºµÄpHÖµ£¬ÈôpHÖµ´óÓÚ2£¬ÔòÖ¤Ã÷´×ËáΪÈõµç½âÖÊ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÏÂÁÐͼʾÓë¶ÔÓ¦µÄÐðÊöÏà·ûµÄÊÇ£¨¡¡¡¡£©
A¡¢¾«Ó¢¼Ò½ÌÍø
±íʾÎïÖʵÄÁ¿Ö®±ÈΪ2£º3µÄþºÍÂÁ·Ö±ðÓë¹ýÁ¿Ï¡ÁòËᷴӦʱ£¬²úÉúÆøÌåµÄÌå»ý£¨V£©Óëʱ¼ä£¨t£©µÄ¹Øϵ
B¡¢¾«Ó¢¼Ò½ÌÍø
±íʾ2SO2£¨g£©+O2£¨g£©?2SO3£¨g£©£¨¡÷H£¼0£©µÄƽºâ³£ÊýKÓëѹǿPµÄ¹ØϵÇÒT1£¼T2
C¡¢¾«Ó¢¼Ò½ÌÍø
±íʾÓÃ0.1mol-L-1NaOHÈÜÒº·Ö±ðµÎ¶¨Å¨¶È¾ùΪ0.1mol?L-1Ìå»ýÏàͬµÄÑÎËáºÍ´×ËᣬÆäÖеÄÐéÏßÊǵζ¨´×ËáµÄÇúÏß
D¡¢¾«Ó¢¼Ò½ÌÍø
±íʾÔÚÏàͬÌõ¼þÏÂ1 mol H2£¨g£©Óë1 mol F2£¨g£©·´Ó¦Éú³É2 mol HF£¨g£©Ê±£¬·Å³öµÄÈÈͯΪ270kJ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨6·Ö£©(1)Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2 mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍ10±¶£¬ÈÜÒºµÄpH·Ö±ð±ä³ÉmºÍn£¬ÔòmÓënµÄ¹ØϵΪ              ¡£

(2)Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍm±¶¡¢n±¶£¬ÈÜÒºµÄpH¶¼±ä³É3£¬ÔòmÓënµÄ¹ØϵΪ                ¡£

(3)Ìå»ýÏàͬ£¬pH¾ùµÈÓÚ13µÄ°±Ë®ºÍNaOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍm±¶¡¢n±¶£¬ÈÜÒºµÄpH¶¼±ä³É9£¬ÔòmÓënµÄ¹ØϵΪ              ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013½ìº£ÄÏÊ¡ÇíÖÝÊи߶þÉÏѧÆÚ½ÌѧÖÊÁ¿¼ì²â»¯Ñ§£¨Àí£©ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

£¨6·Ö£©(1)Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2 mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍ10±¶£¬ÈÜÒºµÄpH·Ö±ð±ä³ÉmºÍn£¬ÔòmÓënµÄ¹ØϵΪ               ¡£

(2)Ìå»ýÏàͬ£¬Å¨¶È¾ùΪ0.2mol/LµÄÑÎËáºÍCH3COOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍm±¶¡¢n±¶£¬ÈÜÒºµÄpH¶¼±ä³É3£¬ÔòmÓënµÄ¹ØϵΪ                ¡£

(3)Ìå»ýÏàͬ£¬pH¾ùµÈÓÚ13µÄ°±Ë®ºÍNaOHÈÜÒº£¬·Ö±ð¼ÓˮϡÊÍm±¶¡¢n±¶£¬ÈÜÒºµÄpH¶¼±ä³É9£¬ÔòmÓënµÄ¹ØϵΪ               ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸