£¨2013?´óÁ¬Ä£Ä⣩ijÈÜÒºÖÐÖ»¿ÉÄܺ¬ÓÐÏÂÁÐÀë×ÓÖеļ¸ÖÖ£¨²»¿¼ÂÇÈÜÒºÖк¬µÄ½ÏÉÙµÄH+ºÍOH-£©Na+¡¢NH4+¡¢SO42-¡¢CO32-¡¢NO3-£®È¡200mL¸ÃÈÜÒº£¬·ÖΪµÈÌå»ýµÄÁ½·Ý·Ö±ð×öÏÂÁÐʵÑ飮ʵÑé1£ºµÚÒ»·Ý¼ÓÈë×ãÁ¿µÄÉռ¼ÓÈÈ£¬²úÉúµÄÆøÌåÔÚ±ê×¼×´¿öÏÂΪ224mL£®ÊµÑé2£ºµÚ¶þ·ÝÏȼÓÈë×ãÁ¿µÄÑÎËᣬÎÞÏÖÏó£¬ÔÙ¼Ó×ãÁ¿µÄBaCl2ÈÜÒº£¬µÃ¹ÌÌå2.33g£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
·ÖÎö£ºÊµÑé1£ºµÚÒ»·Ý¼ÓÈë×ãÁ¿µÄÉռ¼ÓÈÈ»á²úÉúÆøÌåÖ¤Ã÷º¬ÓÐNH4+£¬ÊµÑé2£ºµÚ¶þ·ÝÏȼÓÈë×ãÁ¿µÄÑÎËᣬÎÞÏÖÏó£¬Ôò²»º¬ÓÐCO32-£¬ÔÙ¼Ó×ãÁ¿µÄBaCl2ÈÜÒº£¬µÃ¹ÌÌå2.33g£¬Ö¤Ã÷º¬ÓÐSO42-£®
½â´ð£º½â£º¸ù¾ÝʵÑé1£ºµÚÒ»·Ý¼ÓÈë×ãÁ¿µÄÉռ¼ÓÈÈ£¬»á²úÉúÆøÌå224mL£¬Ö¤Ã÷º¬ÓÐNH4+£¬ÇÒÎïÖʵÄÁ¿Îª0.01mol£»
ʵÑé2£ºµÚ¶þ·ÝÏȼÓÈë×ãÁ¿µÄÑÎËᣬÎÞÏÖÏó£¬ÔòÒ»¶¨²»º¬ÓÐCO32-£¬ÔÙ¼Ó×ãÁ¿µÄBaCl2ÈÜÒº£¬µÃ¹ÌÌå2.33g£¬Ö¤Ã÷Ò»¶¨º¬ÓÐSO42-£¬ÇÒÎïÖʵÄÁ¿Îª£º
2.33g
233g/mol
=0.01mol£¬¸ù¾ÝÈÜÒºÖеĵçºÉÊغ㣬ÔòÒ»¶¨º¬ÓÐÄÆÀë×Ó£¬ÇÒÄÆÀë×ÓµÄŨ¶È¡Ý
0.01mol¡Á2-0.01mol
0.1L
=0.1mol/L£®
A¡¢¸ÃÈÜÒºÖÐÒ»¶¨º¬ÓÐNa+£¬¹ÊA´íÎó£»
B¡¢¸ÃÈÜÒºÖп϶¨º¬ÓÐNH4+¡¢S042-¡¢Na+£¬¹ÊB´íÎó£»
C¡¢¸ÃÈÜÒºÖпÉÄܺ¬ÓÐNO3-£¬¹ÊC´íÎó£»
D¡¢¸ù¾ÝÈÜÒºÖÐNH4+ÎïÖʵÄÁ¿Îª0.01mol£¬SO42-ÎïÖʵÄÁ¿Îª0.01mol£¬¸ù¾ÝµçºÉÊغãÔòc£¨Na+£©¡Ý0.1 mol/L£¬¹ÊDÕýÈ·£®
¹ÊÑ¡D£®
µãÆÀ£º±¾Ì⿼²éÁË»ìºÏÎï³É·ÖµÄ¼ø±ð£¬Íê³É´ËÌ⣬¿ÉÒÔÒÀ¾ÝÎïÖʵÄÐÔÖʽøÐУ¬×¢ÒâÀë×ÓÖ®¼äµÄ·´Ó¦ÒÔ¼°ÏÖÏó£¬ÄѶȲ»´ó£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?´óÁ¬Ä£Ä⣩³£ÎÂÏ£¬ÏÂÁи÷×éÀë×ÓÔÚÖ¸¶¨ÈÜÒºÖÐÄÜ´óÁ¿¹²´æµÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?´óÁ¬Ä£Ä⣩ÓлúÎïAµÄ½á¹¹¼òʽÈçͼËùʾ£¬Ä³Í¬Ñ§¶ÔÆä¿ÉÄܾßÓеĻ¯Ñ§ÐÔÖʽøÐÐÁËÈçÏÂÔ¤²â£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
¢Ù¿ÉÒÔʹËáÐÔ¸ßÃÌËá¼ØÈÜÒºÍÊÉ«
¢Ú¿ÉÒÔºÍNaOHÈÜÒº·´Ó¦
¢ÛÔÚÒ»¶¨Ìõ¼þÏ¿ÉÒÔºÍÒÒËá·¢Éú·´Ó¦
¢ÜÔÚÒ»¶¨Ìõ¼þÏ¿ÉÒÔ·¢ÉúÏûÈ¥·´Ó¦
¢ÝÔÚÒ»¶¨Ìõ¼þÏ¿ÉÒÔºÍÐÂÖÆCu£¨OH£©2Ðü×ÇÒº·´Ó¦£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?´óÁ¬Ä£Ä⣩½«15.6g Na2O2ºÍ5.4g Alͬʱ·ÅÈëÒ»¶¨Á¿µÄË®ÖУ¬³ä·Ö·´Ó¦ºóµÃµ½200mLÈÜÒº£¬ÔÙÏò¸ÃÈÜÒºÖлºÂýͨÈë±ê×¼×´¿öϵÄHClÆøÌå6.72L£¬Èô·´Ó¦¹ý³ÌÖÐÈÜÒºµÄÌå»ý±£³Ö²»±ä£¬Ôò£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?´óÁ¬Ä£Ä⣩ÓÐ4ÖÖ»ìºÏÈÜÒº£¬·Ö±ðÓɵÈÌå»ý0.1mol/LµÄ2ÖÖÈÜÒº»ìºÏ¶ø³É£º¢ÙCH3COONaÓëHCl£»¢ÚCH3COONaÓëNaOH£»¢ÛCH3COONaÓëNaCl£»¢ÜCH3COONaÓëNaHCO3£¬ÏÂÁи÷ÏîÅÅÐòÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?´óÁ¬Ä£Ä⣩ˮÈÈ·¨ÖƱ¸ÄÉÃ׿ÅÁ£Y£¨»¯ºÏÎµÄ·´Ó¦Îª3Fe2++2S2O32-+O2+aOH-¨TY+S4O62-+2H2O£¬ÏÂÁÐ˵·¨ÖУ¬²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸