ÏÖÓÐ0.001 mol¡¤L-1KMnO4ËáÐÔÈÜÒººÍδ֪Ũ¶ÈµÄÎÞÉ«NaHSO3ÈÜÒº¡£·´Ó¦Àë×Ó·½³ÌʽÊÇ2+5+H+====2Mn2++5+3H2O
Ìî¿ÕÍê³ÉÎÊÌ⣺
£¨1£©¸ÃµÎ¶¨ÊµÑéËùÐèÒÇÆ÷ÓÐÏÂÁÐÖеÄ____________________¡£
A.ËáʽµÎ¶¨¹Ü£¨50 mL£© B.¼îʽµÎ¶¨¹Ü£¨50 mL£© C.Á¿Í²£¨10 mL£© D.׶ÐÎÆ¿E.Ìú¼Ų̈ F.µÎ¶¨¹Ü¼Ð G.ÉÕ± H.°×Ö½ I.½ºÍ·µÎ¹Ü J.©¶·
(2)²»ÓÃ____£¨Ëá¡¢¼î£©Ê½µÎ¶¨¹ÜÊ¢·Å¸ßÃÌËá¼ØÈÜÒº¡£ÊÔ·ÖÎöÔÒò£º________________________¡£
£¨3£©Ñ¡ºÎÖÖָʾ¼Á£¬ËµÃ÷ÀíÓÉ___________________________________________________¡£
£¨4£©µÎ¶¨Ç°Æ½ÊÓKMnO4ÒºÃ棬¿Ì¶ÈΪa mL£¬µÎ¶¨ºó¸©ÊÓÒºÃæ¿Ì¶ÈΪb mL£¬Ôò£¨b-a£©mL±Èʵ¼ÊÏûºÄKMnO4ÈÜÒºÌå»ý__________£¨¶à¡¢ÉÙ£©¡£¸ù¾Ý£¨b-a£©mL¼ÆËãµÃµ½µÄ´ý²âŨ¶È£¬±Èʵ¼ÊŨ¶È_____________£¨´ó¡¢Ð¡£©¡£
½âÎö£º£¨1£©ÒòΪÑõ»¯»¹ÔµÎ¶¨ÊµÑéÀàËÆÓÚÖк͵樣¬ÓÉÖк͵ζ¨ÊµÑéËùÐèÒÇÆ÷µÄÑ¡ÓýøÐÐǨÒƿɵóöÕýÈ·´ð°¸¡£
£¨2£©ÓÉÓÚKMnO4¾ßÓÐÇ¿Ñõ»¯ÐÔ£¬Äܸ¯Ê´Ï𽺹ܣ¬¹Ê²»ÄÜÓüîʽµÎ¶¨¹ÜÊ¢·ÅKMnO4ÈÜÒº¡£
£¨3£©Îª×ÏÉ«£¬Mn2+ΪÎÞÉ«£¬¿ÉÓÃÕâÒ»Ã÷ÏÔµÄÑÕÉ«±ä»¯À´Åжϵζ¨Öյ㡣
£¨4£©µÎ¶¨ºó¸©ÊÓÒºÃ棬Ëù¶ÁÌå»ýƫС£¬Ëù²âŨ¶È±Èʵ¼ÊŨ¶ÈƫС¡£
´ð°¸£º£¨1£©ABDEFH
(2)¼î ¸ßÃÌËá¼ØÄÜÓëÏ𽺹Ü×÷ÓÃ
£¨3£©²»ÓÃָʾ¼Á£¬ÒòΪ¡úMn2+ʱ×ÏÉ«ÍÊÈ¥
£¨4£©É٠С
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â
µÎ¶¨´ÎÊý ʵÑéÊý¾Ý |
1 | 2 | 3 |
V£¨ÑùÆ·£©/mL | 20.00 | 20.00 | 20.00 |
V£¨KMnO4£©/mL£¨³õ¶ÁÊý£© | 0.00 | 0.20 | 0.00 |
V£¨KMnO4£©/mL£¨ÖÕ¶ÁÊý£© | 15.85 | 15.22 | 14.98 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â
µÎ¶¨´ÎÊý | ´ý²âÒºÌå»ý £¨mL£© |
±ê×¼KMnO4ÈÜÒºÌå»ý£¨mL£© | |
µÎ¶¨Ç°¶ÁÊý | µÎ¶¨ºó¶ÁÊý | ||
µÚÒ»´Î | 25.00 | 0.50 | 20.40 |
µÚ¶þ´Î | 25.00 | 3.00 | 23.00 |
µÚÈý´Î | 25.00 | 4.00 | 24.10 |
ÄÑÈÜÎï | AgCl | AgBr | AgCN | Ag2CrO4 | AgSCN |
ÑÕÉ« | °× | dz»Æ | °× | שºì | °× |
Ksp | 1.77¡Á10-10 | 5.35¡Á10-13 | 1.21¡Á10-16 | 1.12¡Á10-12 | 1.0¡Á10-12 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2015½ì¸£½¨Ê¡¸£ÖÝÊаËÏظ߶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ
ʵÑéÌâ
£¨1£©ÉÕ¼îÔÚ±£´æ¹ý³Ì»á²¿·Ö±äÖÊ£¨ÔÓÖÊÖ÷ҪΪNa2CO3£©¡£
׼ȷ³ÆÈ¡5.0gÑùÆ·ÅäÖƳÉ250mLÈÜÒº£¬¸÷È¡ÅäÖƺõÄÉÕ¼îÈÜÒº10.00mLÓÚ׶ÐÎÆ¿ÖУ¬·Ö±ðÏò׶ÐÎÆ¿Öи÷¼ÓÈë1¡«2µÎ·Óָ̪ʾ¼Á£¬£¨ÒÑÖª£º·Ó̪±äɫʱ£¬´ËʱֻÓÐNaOHÓëHCl·´Ó¦£¬Na2CO3»¹Ã»ÓÐÓëHCl·´Ó¦£©ÓÃŨ¶ÈΪ0.20mol¡¤L-1µÄÑÎËá±ê×¼Òº½øÐеζ¨¡£Ïà¹ØÊý¾Ý¼Ç¼ÈçÏ£º
ʵÑé±àºÅ |
V£¨ÉÕ¼îÈÜÒº£©/mL |
V£¨ÑÎËᣩ/mL |
|
³õʼ¶ÁÊý |
ĩβ¶ÁÊý |
||
1 |
10.00 |
0.50 |
21.52 |
2 |
10.00 |
1.00 |
21.98 |
3 |
10.00 |
0.20 |
24.80 |
ÊԻشð£º
¢ÙµÎ¶¨Ê±ÓÒÊÖµÄÕýÈ·²Ù×÷ÊÇ______________________________________¡£
¢ÚÅжϵ½´ïµÎ¶¨ÖÕµãµÄʵÑéÏÖÏóÊÇ__________________________________________£¬ÒÀ¾Ý±íÖÐÊý¾Ý£¬¼ÆËã³öÉÕ¼îÑùÆ·Öк¬NaOHµÄÖÊÁ¿·ÖÊýΪ______ _£¥¡£
¢ÛÏÂÁвÙ×÷»áµ¼ÖÂÉÕ¼îÑùÆ·ÖÐNaOHº¬Á¿²â¶¨ÖµÆ«¸ßµÄÊÇ__________¡£
A£®×¶ÐÎÆ¿ÓÃÕôÁóˮϴºóδÓôý²âÒºÈóÏ´
B£®ËáʽµÎ¶¨¹ÜÓÃÕôÁóˮϴºóδÓñê×¼ÒºÈóÏ´
C£®µÎ¶¨¹ý³ÌÖÐÕñµ´×¶ÐÎƿʱ£¬ÓÐÉÙÁ¿´ý²âÈÜÒº½¦³ö
D£®µÎ¶¨Ç°Æ½ÊÓ¶ÁÊý£¬µÎ¶¨½áÊøÑöÊÓ¶ÁÊý
£¨2£©Ñõ»¯»¹ÔµÎ¶¨ÊµÑéͬÖк͵ζ¨ÀàËÆ¡£¹ýÑõ»¯ÇâÊÇÖØÒªµÄÑõ»¯¼Á£¬ËüµÄË®ÈÜÒºÓÖ³ÆΪ˫ÑõË®£¬³£ÓÃ×÷Ïû¶¾¡¢É±¾ú¡¢Æ¯°×µÈ¡£Ä³»¯Ñ§ÐËȤС×éÈ¡Ò»¶¨Á¿µÄ¹ýÑõ»¯ÇâÈÜÒº£¬×¼È·²â¶¨Á˹ýÑõ»¯ÇâµÄŨ¶È¡£ÒÑÖª£º2KMnO4£«5H2O2£«6H2SO4===2MnSO4£«8H2O£«5O2¡ü£¬ÇëÌîдÏÂÁпհףº
¢ÙÓà (Ìî¡°Ëáʽ¡±»ò¡°¼îʽ¡±)µÎ¶¨¹ÜÒÆÈ¡¹ýÑõ»¯ÇâÈÜÒº25.00 mLÖÁ׶ÐÎÆ¿ÖУ¬×÷±»²âÊÔÑù¡£
¢ÚµÎ¶¨Ê±£¬½«¸ßÃÌËá¼Ø±ê×¼ÈÜҺעÈëËáʽµÎ¶¨¹ÜÖУ¬¸ßÃÌËá¼Ø±ê×¼ÈÜÒºÓÃËáʽµÎ¶¨¹ÜÔÒòΪ ¡£¢ÛÖظ´µÎ¶¨Èý´Î£¬Æ½¾ùºÄÓÃc mol/L KMnO4±ê×¼ÈÜÒºV mL£¬ÔòÔ¹ýÑõ»¯ÇâÈÜÒºÖйýÑõ»¯ÇâµÄÎïÖʵÄÁ¿Å¨¶ÈΪ ¡£
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com