ÌâÄ¿ÄÚÈÝ
7£®Ä³»¯Ñ§ÐËȤС×éͬѧÀûÓúîµÂ°ñÖƼµÄÔÀíÖƵÃÁËһЩ´¿¼î£¬¾¼ìÑ飬ÑùÆ·Öк¬ÓÐÉÙÁ¿NH4Cl£®ÏÖÓûÓÃʵÑé²â¶¨ÑùÆ·µÄ´¿¶È£¬Éè¼ÆÁ˶àÖÖ̽¾¿·½°¸£º·½°¸Ò»£ºÖØÁ¿·¨²â¶¨ÑùÆ·ÖÐCl-µÄÖÊÁ¿·ÖÊý£ºÔÚÑùÆ·ÖмÓÈëËữµÄÏõËáÒøÈÜÒº£¬³ÆÁ¿³ÁµíAgClµÄÖÊÁ¿£®
·½°¸¶þ£ºÖØÁ¿·¨²â¶¨ÑùÆ·ÖÐCO32-µÄÖÊÁ¿·ÖÊý£ºÔÚÑùÆ·ÖмÓÈë×ãÁ¿BaCl2ÈÜÒº£¬½«CO32-³Áµíºó³ÆÁ¿³ÁµíBaCO3µÄÖÊÁ¿£®
·½°¸Èý£ºÓÃÏ¡ËὫCO32-ת»¯³ÉCO2£¬ÔÙÓÃÎüÊÕ¼ÁÎüÊÕCO2£¬Í¨¹ý²â¶¨ÎüÊÕ¼ÁµÄÔöÁ¿ÇóËã´¿¶È£®
ÊԻشðÏÂÁÐÎÊÌ⣺
£¨1£©·½°¸Ò»ÖÐӦѡÓÃÏõËá½øÐÐËữ£®·½°¸Ò»¡¢¶þ¾ùÐè¾¹ý¢ÙÈ¡Ñù²¢³ÆÁ¿£»¢ÚµÎ¼ÓÊÔÒº£»¢Û¹ýÂË£»¢ÜÏ´µÓ£»¢Ý¸ÉÔ¢Þ³ÆÁ¿ÖÁÖÊÁ¿ºã¶¨£®
£¨2£©¸ÃͬѧѡÔñÓõÚÈýÖÖ·½°¸²â¶¨ÑùÆ·´¿¶È£¬²¢Éè¼ÆÁËÈçͼװÖã®
¢Ù×°ÖÃCµÄ×÷ÓÃÊÇ·ÀÖ¹¿ÕÆøÖеÄCO2¡¢Ë®ÕôÆø±»BÖмîʯ»ÒÎüÊÕ£»
¢Ú´Ó×°ÖÃA×ó²àµ¼¹Ü´¦Í¨¿ÕÆøµÄÄ¿µÄÊÇʹµÃÉú³ÉµÄCO2ÆøÌåÈ«²¿±»BÖмîʯ»ÒÎüÊÕ£»Îª¾¡Á¿¼õÉÙʵÑéÎó²î£¬ÄãÈÏΪ¸Ã×°Öû¹Ó¦¸Ã×÷ºÎ¸Ä½ø£¿ÔÚ×°ÖÃA×ó²à¼ÓÒ»¸ö×°Öã¬ÒÔ³ýÈ¥½øÈë×°ÖÃAµÄ¿ÕÆøÖеÄCO2£®
£¨3£©ÓÐͬѧָ³ö»¹¿ÉÒÔÓñê×¼ÑÎËáµÎ¶¨ÑùÆ·ÈÜÒºÖÐNa2CO3ÖÁÍêȫת»»ÎªNaClµÄ·½·¨²â¶¨´¿¶È£®ÄãÈÏΪ¸Ã·½·¨ÐèÒªÖªµÀ»ò²â¶¨µÄÊý¾Ý£¨ÇëͬʱÓÃ×Öĸ±íʾ£¬²¢×¢Ã÷ÆäºÏÀíµ¥Î»£©³ýÁËÑùÆ·ÖÊÁ¿m g£¬»¹ÐèÒª±ê×¼ÑÎËáµÄŨ¶Èc mol•L-1¡¢ËùÓÃÑÎËáÌå»ýV mL£®ÇëÓÃÒÔÉÏÊý¾Ý¼ÆËãÑùÆ·ÖÐNa2CO3µÄÖÊÁ¿·ÖÊý$\frac{cV¡Á1{0}^{-3}106}{2m}$£®
·ÖÎö £¨1£©Éú³ÉAgCl³Áµí£¬ÐèÒª¼ÓÈëÏõËáËữµÄÏõËáÒøÈÜÒº£»³ÆÁ¿³Áµíʱ£¬ÐèÒªÏÈÏ´µÓ¡¢¸ÉÔ
£¨2£©¢Ù×°ÖÃCÎüÊÕ¿ÕÆøÖеÄCO2¡¢Ë®ÕôÆø£¬·ÀÖ¹B³öÏÖÎó²î£»
¢Ú´Ó×°ÖÃA×ó²àµ¼¹Ü´¦Í¨¿ÕÆø£¬¸Ï³öCO2£¬Ê¹µÃÉú³ÉµÄCO2ÆøÌåÈ«²¿±»BÖмîʯ»ÒÎüÊÕ£»Îª¾¡Á¿¼õÉÙʵÑéÎó²î£¬Ó¦ÔÚ×°ÖÃA×ó²à¼ÓÒ»¸ö×°Öã¬ÒÔ³ýÈ¥½øÈë×°ÖÃAµÄ¿ÕÆøÖеÄCO2£»
£¨3£©Óñê×¼ÑÎËáµÎ¶¨ÑùÆ·ÈÜÒºÖÐNa2CO3ÖÁÍêȫת»»ÎªNaClµÄ·½·¨²â¶¨´¿¶È£¬ÐèÒªÖªµÀ±ê×¼ÑÎËáµÄŨ¶ÈºÍÌå»ý£»¸ù¾Ý¹Øϵʽ·¨¼ÆËãNa2CO3µÄÖÊÁ¿·ÖÊý£®
½â´ð ½â£º£¨1£©Éú³ÉAgCl³Áµí£¬ÐèÒª¼ÓÈëÏõËáËữµÄÏõËáÒøÈÜÒº£»³ÆÁ¿³Áµíʱ£¬ÐèÒªÏÈÏ´µÓ¡¢¸ÉÔ
¹Ê´ð°¸Îª£ºÏõË᣻ϴµÓ£»¸ÉÔ
£¨2£©¢Ù×°ÖÃCÎüÊÕ¿ÕÆøÖеÄCO2¡¢Ë®ÕôÆø£¬·ÀÖ¹B³öÏÖÎó²î£¬¹Ê´ð°¸Îª£º·ÀÖ¹¿ÕÆøÖеÄCO2¡¢Ë®ÕôÆø±»BÖмîʯ»ÒÎüÊÕ£»
¢Ú´Ó×°ÖÃA×ó²àµ¼¹Ü´¦Í¨¿ÕÆø£¬¸Ï³öCO2£¬Ê¹µÃÉú³ÉµÄCO2ÆøÌåÈ«²¿±»BÖмîʯ»ÒÎüÊÕ£»Îª¾¡Á¿¼õÉÙʵÑéÎó²î£¬Ó¦ÔÚ×°ÖÃA×ó²à¼ÓÒ»¸ö×°Öã¬ÒÔ³ýÈ¥½øÈë×°ÖÃAµÄ¿ÕÆøÖеÄCO2£»
¹Ê´ð°¸Îª£ºÊ¹µÃÉú³ÉµÄCO2ÆøÌåÈ«²¿±»BÖмîʯ»ÒÎüÊÕ£»ÔÚ×°ÖÃA×ó²à¼ÓÒ»¸ö×°Öã¬ÒÔ³ýÈ¥½øÈë×°ÖÃAµÄ¿ÕÆøÖеÄCO2£»
£¨3£©Óñê×¼ÑÎËáµÎ¶¨ÑùÆ·ÈÜÒºÖÐNa2CO3ÖÁÍêȫת»»ÎªNaClµÄ·½·¨²â¶¨´¿¶È£¬ÐèÒªÖªµÀ±ê×¼ÑÎËáµÄŨ¶ÈºÍÌå»ý£»
¸ù¾Ý¹Øϵʽ·¨£ºNa2CO3¡«2HCl
1 2
n£¨Na2CO3£© cV¡Á10-3mol£¬n£¨Na2CO3£©=$\frac{cV¡Á1{0}^{-3}}{2}$mol£¬m£¨Na2CO3£©=nM=$\frac{cV¡Á1{0}^{-3}¡Á106}{2}$g£¬
ÔòÑùÆ·ÖÐNa2CO3µÄÖÊÁ¿·ÖÊýΪ$\frac{cV¡Á1{0}^{-3}106}{2m}$£»
¹Ê´ð°¸Îª£º±ê×¼ÑÎËáµÄŨ¶Èc mol•L-1¡¢ËùÓÃÑÎËáÌå»ýV mL£»$\frac{cV¡Á1{0}^{-3}106}{2m}$£®
µãÆÀ ±¾Ì⿼²éʵÑéÊҲⶨ´¿¼îµÄ´¿¶È£¬ÄѶÈÖеȣ¬×¢ÒâÅųý¿ÕÆøÖеÄCO2¡¢Ë®ÕôÆø¶ÔʵÑéµÄÓ°Ï죬¹Øϵʽ·¨µÄ¼ÆË㣮
A£® | 0.1mol•L-1CH3COONaÈÜÒºÖУºH+¡¢Ca2+¡¢Cl-¡¢NO3- | |
B£® | ÖÐÐÔÈÜÒºÖУºFe3+¡¢Na+¡¢Br-¡¢SO42- | |
C£® | ÔÚº¬Óб½·ÓµÄÈÜÒºÖУºK+¡¢NH4+¡¢Br-¡¢Fe3+ | |
D£® | ³ÎÇå͸Ã÷µÄÈÜÒºÖУºK+¡¢Al3+¡¢SO42-¡¢MnO4- |
A£® | ²úÎïH20Ëù¾ßÓеÄ×ÜÄÜÁ¿¸ßÓÚ·´Ó¦ÎïH2ºÍO2Ëù¾ßÓеÄ×ÜÄÜÁ¿ | |
B£® | ·´Ó¦ÎïH2Ëù¾ßÓеÄÄÜÁ¿¸ßÓÚ²úÎïH2OËù¾ßÓеÄ×ÜÄÜÁ¿ | |
C£® | ·´Ó¦ÎïH2ºÍO2Ëù¾ßÓеÄ×ÜÄÜÁ¿¸ßÓÚ²úÎïH2OËù¾ßÓеÄ×ÜÄÜÁ¿ | |
D£® | ·´Ó¦ÎïH2ºÍ02¾ßÓеÄÄÜÁ¿ÏàµÈ |
A£® | CuºÍAl | B£® | MgºÍAl | C£® | AlºÍ Zn | D£® | Mg ºÍ Zn |
A£® | MFe2OxÊÇÑõ»¯¼Á | B£® | SO2ÊǸ÷´Ó¦µÄ´ß»¯¼Á | ||
C£® | x£¼y | D£® | MFe2OyÊÇ»¹Ô²úÎï |
A£® | aºÍb²»Á¬½Óʱ£¬ÌúƬÉÏ»áÓнðÊôÍÎö³ö£¬´Ó¶øʹÌúµÄ¸¯Ê´ËÙÂʼӿì | |
B£® | aºÍbÓõ¼ÏßÁ¬½Óʱ£¬ÍƬÉÏ·¢ÉúµÄ·´Ó¦ÎªCu2++2e-¨TCu | |
C£® | aºÍb·Ö±ðÁ¬½ÓÖ±Á÷µçÔ´Õý¡¢¸º¼«£¬ÄÜʵÏÖÌúÉ϶ÆÍ£¬²¢Ê¹Cu2+Ïò͵缫Òƶ¯ | |
D£® | ÎÞÂÛaºÍbÊÇ·ñÁ¬½Ó£¬ÌúƬ¾ù»áÈܽâ |
A£® | ´óÁ¿Ê¹ÓÃú·¢µçÊÇÐγÉÎíö²µÄÖ÷ÒªÔÒòÖ®Ò» | |
B£® | ¶Ô¡°µØ¹µÓÍ¡±ÕôÁó¿ÉÒÔ»ñµÃÆûÓÍ | |
C£® | ¶Ô·Ï¾Éµç³Ø½øÐлØÊÕ´¦ÀíÖ÷ҪΪÁË·ÀÖ¹ÖؽðÊôÎÛȾˮԴ | |
D£® | °ëµ¼ÌåÐÐÒµÖÐÓÐÒ»¾ä»°£º¡°´Óɳ̲µ½Óû§¡±£¬¼ÆËã»úоƬµÄ²ÄÁÏÊǹè |
A£® | ÈôYÔªËØÐγɵĵ¥ÖÊÊÇÆøÌ壬ÔòXÔªËØÐγɵĵ¥ÖÊÒ»¶¨Ò²ÊÇÆøÌå | |
B£® | ÈôHnXOmΪǿËᣬÔòXµÄÇ⻯ÎïÈÜÒºÓÚˮһ¶¨ÏÔËáÐÔ | |
C£® | ÈôX¡¢YÔ×ÓÐòÊýÏà²î1£¬YΪ¢òA×壬ÔòXÒ»¶¨ÊÇ¢óA×å | |
D£® | ÈôY£¨OH£©mÒ×ÈÜÓÚË®£¬ÔòX£¨OH£©nÒ»¶¨²»ÈÜÓÚË® |