ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÎªÁ˼ì²âÊìÈâÖÐNaNO2º¬Á¿£¬Ä³ÐËȤС×é´Ó1 000 g ¸ôÒ¹ÊìÈâÖÐÌáÈ¡NaNO3ºÍNaNO2ºóÅä³ÉÈÜÒº£¬ÓÃ0.005 00 mol¡¤L£1µÄ¸ßÃÌËá¼Ø(ËáÐÔ)ÈÜÒºµÎ¶¨¡£Æ½ÐвⶨÈý´Î£¬Çó³öÿ´ÎNaNO2º¬Á¿£¬È¡Æäƽ¾ùÖµ¡£(ÒÑÖª£º2MnO£«5NO£«6H£«===2Mn2£«£«5NO£«3H2O)
£¨1£©µÎ¶¨Ç°ÅÅÆøÅÝʱ£¬Ó¦Ñ¡ÔñͼÖеÄ________(ÌîÐòºÅ)¡£µÎ¶¨Ê±£¬¸ßÃÌËá¼ØÈÜҺʢ·ÅÔÚ___________________¡£
£¨2£©µÎ¶¨ÖÕµãµÄÅжÏÒÀ¾ÝΪ__________________________________¡£
£¨3£©ÏÂÁвÙ×÷»áµ¼ÖÂÑùÆ·º¬Á¿²â¶¨ÖµÆ«¸ßµÄÊÇ__________________(ÌîÐòºÅ)¡£
a£®×¶ÐÎÆ¿ÓÃÕôÁóˮϴºóδÓôý²âÒºÈóÏ´
b£®ËáʽµÎ¶¨¹ÜÓÃÕôÁóˮϴºóδÓñê×¼ÒºÈóÏ´
c£®µÎ¶¨¹ý³ÌÖÐÕñµ´×¶ÐÎƿʱ£¬ÓÐÉÙÁ¿´ý²âÈÜÒº½¦³ö
d£®µÎ¶¨Ç°Æ½ÊÓ¶ÁÊý£¬µÎ¶¨½áÊøÑöÊÓ¶ÁÊý
£¨4£©Ä³´ÎµÎ¶¨¹ý³ÌÖУ¬ÏûºÄ¸ßÃÌËá¼ØÈÜÒºµÄÌå»ýΪ16.00 mL¡£Ôò´Ë´ÎÇóµÃµÄNaNO2µÄº¬Á¿Îª________mg¡¤kg£1¡£
¡¾´ð°¸¡¿ ¢Ú ËáʽµÎ¶¨¹Ü µ±µÎÈë×îºóÒ»µÎ(»ò°ëµÎ)¸ßÃÌËá¼ØÈÜҺʱ£¬ÈÜÒºÑÕÉ«ÓÉÎÞÉ«±äΪ×ϺìÉ«£¬ÇÒ°ë·ÖÖÓÄÚ²»ÍÊÉ«£¬¼´ÎªµÎ¶¨ÖÕµã bd 13.8
¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£º£¨1£©¸ßÃÌËá¼ØÈÜÒº¸¯Ê´Ï𽺣¬Ó¦Ê¢ÔÚËáʽµÎ¶¨¹ÜÖУ¬Îª¾«È·¿ØÖÆÅųöÆøÅÝ£¬×óÊÖÎÕסËáʽµÎ¶¨¹Ü»îÈûÅÅÆø£»£¨2£©µÎÈëµÄ¸ßÃÌËá¼ØÈÜÒº²»ÔÙÍÊɫʱ´ïµ½µÎ¶¨Öյ㣻£¨3£©¸ù¾Ý ·ÖÎöÎó²î£»£¨4£©¸ù¾Ý2MnO£«5NO£«6H£«===2Mn2£«£«5NO£«3H2O¼ÆËãÏûºÄ¸ßÃÌËá¼ØÈÜÒºµÄÌå»ýΪ16.00 mLʱ£¬NaNO2µÄÖÊÁ¿¡£
½âÎö£º£¨1£©¸ßÃÌËá¼ØÈÜÒºÄܸ¯Ê´Ï𽺣¬ËùÒÔ¸ßÃÌËá¼ØÈÜҺʢÔÚËáʽµÎ¶¨¹ÜÖУ¬Îª¾«È·¿ØÖÆÅųöÆøÅÝ£¬×óÊÖÎÕסËáʽµÎ¶¨¹Ü»îÈûÅÅÆø£¬ËùÒÔӦѡÔñͼÖеĢڣ»£¨2£©µÎ¶¨ÖÕµãʱ£¬¸ßÃÌËá¼ØÈÜÒº±»ÍêÈ«ÏûºÄ£¬µ±µÎÈë×îºóÒ»µÎ(»ò°ëµÎ)¸ßÃÌËá¼ØÈÜҺʱ£¬ÈÜÒºÑÕÉ«ÓÉÎÞÉ«±äΪ×ϺìÉ«£¬ÇÒ°ë·ÖÖÓÄÚ²»ÍÊÉ«£¬¼´ÎªµÎ¶¨Öյ㣻£¨3£©a£®×¶ÐÎÆ¿ÓÃÕôÁóˮϴºóδÓôý²âÒºÈóÏ´£¬²»Ó°Ïì½á¹û£¬¹Êa´íÎó£»b£®ËáʽµÎ¶¨¹ÜÓÃÕôÁóˮϴºóδÓñê×¼ÒºÈóÏ´£¬±ê׼ҺŨ¶È±äС£¬ÏûºÄ¸ßÃÌËá¼ØÈÜÒºµÄÌå»ýÆ«´ó£¬²â¶¨ÖµÆ«¸ß£¬¹ÊbÕýÈ·£»c£®µÎ¶¨¹ý³ÌÖÐÕñµ´×¶ÐÎƿʱ£¬ÓÐÉÙÁ¿´ý²âÈÜÒº½¦³ö£¬ÏûºÄ¸ßÃÌËá¼ØÈÜÒºµÄÌå»ýƫС£¬²â¶¨ÖµÆ«µÍ£¬¹Êc´íÎó£»d£®µÎ¶¨Ç°Æ½ÊÓ¶ÁÊý£¬µÎ¶¨½áÊøÑöÊÓ¶ÁÊý£¬¸ßÃÌËá¼ØÈÜÒºµÄÌå»ýÆ«´ó£¬²â¶¨ÖµÆ«¸ß£¬¹ÊdÕýÈ·£»£¨4£©ÏûºÄ¸ßÃÌËá¼ØÈÜÒºµÄÌå»ýΪ16.00 mL£¬n(KMnO4)=0.016L¡Á0.005 00 mol¡¤L£1=0.00008mol£¬¸ù¾Ý2MnO£«5NO£«6H£«===2Mn2£«£«5NO£«3H2O£¬n(NaNO2)= 0.00008mol¡Â2¡Á5=0. 0002mol£¬ NaNO2µÄÖÊÁ¿ÊÇ0.0138g=13.8mg£¬NaNO2µÄº¬Á¿Îª13.8mg¡¤kg£1¡£
¡¾ÌâÄ¿¡¿ÏÂÁгýÔÓ·½·¨Ñ¡ÓôíÎóµÄÊÇ
ÎïÖÊ(À¨ºÅÄÚΪÔÓÖÊ) | ³ýÔÓ·½·¨ | |
A | Ïõ»ù±½(±½) | ÕôÁó |
B | ÒÒÏ©(SO2) | NaOHÈÜÒº£¬Ï´Æø |
C | ¼ºÍé(¼ºÏ©) | äåË®£¬·ÖÒº |
D | µí·ÛÈÜÒº(NaCl) | ÉøÎö |
A.AB.BC.CD.D
¡¾ÌâÄ¿¡¿¼×¡¢ÒÒ¡¢±û¡¢¶¡¡¢ÎìÎåÖÖÎïÖÊÖУ¬¼×¡¢ÒÒ¡¢±ûÖоùº¬ÓÐijÖÖÏàͬµÄÔªËØ£¬ËüÃÇÖ®¼ä¾ßÓÐÈçͼËùʾת»¯¹Øϵ(·´Ó¦Ìõ¼þ¼°²¿·Ö²úÎïÒÑÂÔÈ¥)¡£ÏÂÁÐÓйØÎïÖʵÄÍƶϲ»ÕýÈ·µÄÊÇ(¡¡¡¡)
Ñ¡Ïî | ¼ÙÉè | ½áÂÛ |
A | ¼×ΪAl(OH)3 | ¶¡¿ÉÄÜÊÇÑÎËá |
B | ¼×ΪNa2CO3ÈÜÒº | Îì¿ÉÄÜÊÇCO2 |
C | ¼×ΪFe | ¶¡¿ÉÄÜÊÇÑÎËá |
D | ¼×ΪN2 | Îì¿ÉÄÜÊÇÑõÆø |
A. A B. B C. C D. D