ÌâÄ¿ÄÚÈÝ

±ûÏ©ËáÒÒõ¥£¨»¯ºÏÎï¢ô£©ÊÇÖÆ±¸ËÜÁϵÄÖØÒªÖмäÌ壬¿ÉÓÉÏÂÃæÂ·Ïߺϳɣº

£¨1£©»¯ºÏÎï¢ôµÄ·Ö×ÓʽΪ
 
£¬1mol»¯ºÏÎï¢ôÍêȫȼÉÕÏûºÄO2Ϊ
 
mol£®
£¨2£©»¯ºÏÎï¢òµÄ¹ÙÄÜÍÅÃû³ÆÎª£º
 
£¬·´Ó¦¢ÚÊôÓÚ
 
·´Ó¦£®
£¨3£©»¯ºÏÎï¢ñ¿ÉÒÔÓÉ»¯ºÏÎï¢õ£¨·Ö×ÓʽΪC3H6O£©´ß»¯Ñõ»¯µÃµ½£¬Ôò»¯ºÏÎï¢õ¡ú¢ñµÄ·´Ó¦·½³ÌʽΪ
 
£®
£¨4£©Ò»¶¨Ìõ¼þÏ£¬»¯ºÏÎï  Ò²¿ÉÓ뻯ºÏÎï¢ó·¢ÉúÀàËÆ·´Ó¦¢ÛµÄ·´Ó¦£¬ÔòµÃµ½µÄ²úÎïµÄ½á¹¹¼òʽΪ
 
£®
£¨5£©»¯ºÏÎï¢öÊÇ»¯ºÏÎï¢ôµÄͬ·ÖÒì¹¹Ì壬¢öº¬ÓÐ̼̼˫¼ü²¢ÄÜÓëNaHCO3ÈÜÒº·´Ó¦·Å³öÆøÌ壬ÆäºË´Å¹²ÕñÇâÆ×·åÃæ»ýÖ®±ÈΪ1£º1£º6£¬Ôò»¯ºÏÎï¢öµÄ½á¹¹¼òʽΪ
 
£®
¿¼µã£ºÓлúÎïµÄ½á¹¹ºÍÐÔÖÊ,ÓлúÎïµÄºÏ³É
רÌ⣺ÓлúÎïµÄ»¯Ñ§ÐÔÖʼ°ÍƶÏ
·ÖÎö£º£¨1£©¸ù¾Ý¢ôµÄ½á¹¹¼òʽ£¬¿ÉÖªÆä·Ö×ÓʽΪC5H8O2£¬1molCxHyOzµÄºÄÑõÁ¿Îª£¨x+
y
4
-
z
2
£©mol£»
£¨2£©¸ù¾Ý¢òµÄ½á¹¹¼òʽ¿ÉÒÔÅжϺ¬ÓеĹÙÄÜÍÅ£»¶Ô±È¢ò¡¢¢óµÄ½á¹¹£¬¿ÉÖª±ûÏ©ËáÖÐôÈ»ùÖеÄ-OH±»ÂÈÔ­×ÓÈ¡´ú£»
£¨3£©»¯ºÏÎï¢ñ¿ÉÒÔÓÉ»¯ºÏÎï¢õ£¨·Ö×ÓʽΪC3H6O£©´ß»¯Ñõ»¯µÃµ½£¬¹ÊVµÄ½á¹¹¼òʽΪCH2=CHCH2OH£»
£¨4£©¶Ô±È¢ó¡¢¢ôµÄ½á¹¹¿ÉÖª£¬¢óÖÐÂÈÔ­×Ó±»-OCH2CH3È¡´úÉú³É¢ô£¬¾Ý´ËÊéд»¯ºÏÎï Ó뻯ºÏÎï¢óµÄ·´Ó¦²úÎï½á¹¹¼òʽ£»
£¨5£©»¯ºÏÎï¢öÊÇ»¯ºÏÎï¢ôµÄͬ·ÖÒì¹¹Ì壬¢öº¬ÓÐ̼̼˫¼ü²¢ÄÜÓëNaHCO3ÈÜÒº·´Ó¦·Å³öÆøÌ壬»¹º¬ÓÐôÈ»ù£¬ÆäºË´Å¹²ÕñÇâÆ×·åÃæ»ýÖ®±ÈΪ1£º1£º6£¬º¬ÓÐ2¸ö¼×»ùÇÒλÓÚͬһ̼ԭ×ÓÉÏ£®
½â´ð£º ½â£º£¨1£©¸ù¾Ý¢ôµÄ½á¹¹¼òʽ£¬¿ÉÖªÆä·Ö×ÓʽΪC5H8O2£¬1molC5H8O2µÄºÄÑõÁ¿Îª£¨5+
8
4
-
2
2
£©mol=6mol£¬¹ý´ð°¸Îª£ºC5H8O2£»6£»
£¨2£©¸ù¾Ý¢òµÄ½á¹¹¼òʽ£¬¿ÉÖªº¬ÓеĹÙÄÜÍÅΪ£ºÌ¼Ì¼Ë«¼ü¡¢ôÈ»ù£»¶Ô±È¢ò¡¢¢óµÄ½á¹¹£¬¿ÉÖª±ûÏ©ËáÖÐôÈ»ùÖеÄ-OH±»ÂÈÔ­×ÓÈ¡´ú£¬ÊôÓÚÈ¡´ú·´Ó¦£¬¹Ê´ð°¸Îª£ºÌ¼Ì¼Ë«¼ü¡¢ôÈ»ù£»È¡´ú£»
£¨3£©»¯ºÏÎï¢ñ¿ÉÒÔÓÉ»¯ºÏÎï¢õ£¨·Ö×ÓʽΪC3H6O£©´ß»¯Ñõ»¯µÃµ½£¬¹ÊVµÄ½á¹¹¼òʽΪCH2=CHCH2OH£¬»¯ºÏÎï¢õ¡ú¢ñµÄ·´Ó¦·½³ÌʽΪ£º2CH2=CHCH2OH+O2
Cu
¡÷
2CH2=CHCHO+2H2O£¬
¹Ê´ð°¸Îª£º2CH2=CHCH2OH+O2
Cu
¡÷
2CH2=CHCHO+2H2O£»
£¨4£©¶Ô±È¢ó¡¢¢ôµÄ½á¹¹¿ÉÖª£¬¢óÖÐÂÈÔ­×Ó±»-OCH2CH3È¡´úÉú³É¢ô£¬Ôò Ó뻯ºÏÎï¢ó·¢ÉúÀàËÆ·´Ó¦¢ÛµÄ·´Ó¦£¬ÔòµÃµ½µÄ²úÎïµÄ½á¹¹¼òʽΪ£º£¬¹Ê´ð°¸Îª£º£»
£¨5£©»¯ºÏÎï¢öÊÇ»¯ºÏÎï¢ôµÄͬ·ÖÒì¹¹Ì壬¢öº¬ÓÐ̼̼˫¼ü²¢ÄÜÓëNaHCO3ÈÜÒº·´Ó¦·Å³öÆøÌ壬»¹º¬ÓÐôÈ»ù£¬ÆäºË´Å¹²ÕñÇâÆ×·åÃæ»ýÖ®±ÈΪ1£º1£º6£¬º¬ÓÐ2¸ö¼×»ùÇÒλÓÚͬһ̼ԭ×ÓÉÏ£¬Ôò»¯ºÏÎï¢öµÄ½á¹¹¼òʽΪ£º£¨CH3£©2C=CHCOOH£¬¹Ê´ð°¸Îª£º£¨CH3£©2C=CHCOOH£®
µãÆÀ£º±¾Ì⿼²éÓлúÎïµÄÍÆ¶ÏÓëºÏ³É¡¢¹ÙÄÜÍŵĽṹ¡¢Óлú·´Ó¦ÀàÐÍ¡¢Í¬·ÖÒì¹¹ÌåÊéд¡¢Óлú·´Ó¦·½³ÌʽµÈ£¬ÊǶÔÓлú»¯Ñ§»ù´¡µÄ×ۺϿ¼²é£¬×¢ÖØ»ù´¡ÖªÊ¶ÑµÁ·ÓëÄÜÁ¦µÄÅàÑø£¬ÄѶÈÖеȣ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
½ñÄêÎÒ¹úÅ©´å·¢Éú¶àÆðÅ©»§ÓÃÁ×»¯ÂÁ¶ÔÁ¸Ê³½øÐÐѬÕô·À³æ£¬²úÉúµÄÓж¾ÆøÌåµ¼ÖÂÈËÖж¾ÉõÖÁËÀÍöʼþ£®Á×»¯ÂÁ¡¢Á×»¯Ð¿¡¢Á×»¯¸ÆÊÇÎÒ¹úĿǰ×î³£¼ûµÄѬÕôɱ³æ¼ÁµÄÖ÷Òª³É·Ö£¬ËüÃǶ¼ÄÜÓëË®»òËá·´Ó¦²úÉúÓж¾ÆøÌåPH3£¬PH3¾ßÓнÏÇ¿µÄ»¹Ô­ÐÔ£¬ÄÜÔÚ¿ÕÆøÖÐ×Ôȼ£®ÎÒ¹úÁ¸Ê³ÎÀÉú±ê×¼¹æ¶¨£¬Á¸Ê³ÖÐÁ×»¯ÎÒÔPH3¼Æ£©º¬Á¿¡Ü0.05mg?kg-1£®ÏÖÓÃÈçÏÂ×°ÖòⶨÁ¸Ê³ÖвÐÁôÁ×»¯ÎﺬÁ¿£®
ÒÑÖª£º5PH3+8KMnO4+12H2SO4=5H3PO4+8MnSO4+4K2SO4+12H2O   CÖÐÊ¢ÓÐ200gÔ­Á¸£»D¡¢E¡¢F¸÷Ê¢×°1.00mLŨ¶ÈΪ1.00¡Á10-3 mol?L-1µÄKMnO4µÄÈÜÒº£¨H2SO4Ëữ£©£®
£¨1£©Ð´³öÁ×»¯ÂÁÓëË®·´Ó¦µÄ»¯Ñ§·½³Ìʽ
 
£®
£¨2£©¼ì²éÉÏÊö×°ÖÃÆøÃÜÐԵķ½·¨ÊÇ
 
£®
£¨3£©ÊµÑé¹ý³ÌÖУ¬ÓÃ³éÆø±Ã³éÆøµÄÄ¿µÄÊÇ
 
£®
£¨4£©AÖÐÊ¢×°KMnO4ÈÜÒºÊÇΪ³ýÈ¥¿ÕÆøÖпÉÄܺ¬ÓеÄ
 
£»BÖÐÊ¢×°¼îÐÔ½¹ÐÔûʳ×ÓËáÈÜÒºµÄ×÷ÓÃÊÇ
 
£»ÈçÈ¥³ýB×°Öã¬ÔòʵÑéÖвâµÃµÄPH3º¬Á¿½«
 
£®
£¨5£©ÊÕ¼¯D¡¢E¡¢FËùµÃÎüÊÕÒº£¬²¢Ï´µÓD¡¢E¡¢F£¬½«ÎüÊÕÒº¡¢Ï´µÓÒºÒ»²¢ÖÃÓÚ×¶ÐÎÆ¿ÖУ¬¼ÓˮϡÊÍÖÁ25mL£¬ÓÃŨ¶ÈΪ5¡Á10-4 mol?L-1 Na2SO3±ê×¼ÈÜÒºµÎ¶¨Ê£ÓàµÄKMnO4ÈÜÒº£¬ÏûºÄNa2SO3±ê×¼ÈÜÒº11.00mL£¬Ôò¸ÃÔ­Á¸ÖÐÁ×»¯ÎÒÔPH3¼Æ£©µÄº¬Á¿Îª
 
mg/kg£®
²ÝËá¾§ÌåµÄ×é³É¿ÉÓÃH2C2O4?xH2O±íʾ£¬ÎªÁ˲ⶨxÖµ£¬½øÐÐÈçÏÂʵÑ飺
³ÆÈ¡Wg²ÝËá¾§Ì壬Åä³É100.00mLÎÞɫˮÈÜÒº£®Á¿È¡25.00mLËùÅäÖÆµÄ²ÝËáÈÜÒºÖÃÓÚ×¶ÐÎÆ¿ÄÚ£¬¼ÓÈëÊÊÁ¿Ï¡H2SO4ºó£¬ÓÃŨ¶ÈΪa mol/LµÄKMnO4ÈÜÒºµÎ¶¨£®ÊԻشð£º
£¨1£©µÎ¶¨Ê±Ëù·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
£®
£¨2£©²ÝËáÊǶþÔªÈõËᣬÔò²ÝËáµÄµçÀë·½³ÌʽΪ
 
£®
£¨3£©Í¼I±íʾ100mLÁ¿Í²ÖÐÒºÃæµÄλÖã¬AÓëB£¬BÓëC¿Ì¶È¼äÏà²î10mL£¬Èç¹û¿Ì¶ÈAΪ30£¬Á¿Í²ÖÐÒºÌåµÄÌå»ýÊÇ
 
mL£®Í¼¢ò±íʾ25mLµÎ¶¨¹ÜÖÐÒºÃæµÄλÖã¬Èç¹ûÒºÃæ´¦µÄ¶ÁÊýÊÇa£¬ÔòµÎ¶¨¹ÜÖÐÒºÌåµÄÌå»ý£¨Ìî´úºÅ£©
 
£®

A£®ÊÇamL     B£®ÊÇ£¨5-a£©mLC£®Ò»¶¨´óÓÚamL   DÒ»¶¨´óÓÚ£¨25-a£©mL
£¨4£©ÊµÑéÖУ¬±ê×¼ÒºKMnO4ÈÜҺӦװÔÚ
 
ʽµÎ¶¨¹ÜÖУ®ÈôÔÚ½Ó½üµÎ¶¨ÖÕµãʱ£¬ÓÃÉÙÁ¿ÕôÁóË®½«×¶ÐÎÆ¿ÄÚ±Ú³åϴһϣ¬ÔÙ¼ÌÐøµÎ¶¨ÖÁÖյ㣬ÔòËù²âµÃµÄxÖµ»á
 
£¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÎÞÓ°Ï족£©´ïµ½µÎ¶¨Öյ㣬ÈÜÒºÓÉ
 
É«±äΪ
 
É«£®
£¨5£©Ôڵζ¨¹ý³ÌÖÐÈôÓÃÈ¥a mol/LµÄKMnO4ÈÜÒºVmL£¬ÔòËùÅäÖÆµÄ²ÝËáÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈΪ
 
mol/L£®
£¨6£©ÈôµÎ¶¨ÖÕµã¶ÁÊýʱ¸©ÊÓ£¬Ôò¼ÆËãµÄxÖµ»á
 
£¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÎÞÓ°Ï족£©£®
£¨7£©Èô²âµÃx=2£¬³ÆÈ¡Ä³¶þË®ºÏ²ÝËá¾§Ìå0.1200g£¬¼ÓÊÊÁ¿Ë®ÍêÈ«Èܽ⣬ȻºóÓÃ0.02000mol?L-1µÄËáÐÔKMnO4ÈÜÒºµÎ¶¨ÖÁÖյ㣨ÔÓÖʲ»²ÎÓë·´Ó¦£©£¬µÎ¶¨Ç°ºóµÎ¶¨¹ÜÖеÄÒºÃæ¶ÁÊýÈçͼ2Ëùʾ£¬Ôò¸Ã²ÝËá¾§ÌåÑùÆ·ÖжþË®ºÏ²ÝËáµÄÖÊÁ¿·ÖÊýΪ
 
£®
»¯¹¤ÊÔ¼Á²ÝËáÄÆ³£ÓÃÓÚÖÆ¸ï¡¢ÑÌ»ð¡¢ÕûÀíÖ¯ÎïµÈ£®´¿Na2C2O4Ϊ°×É«¾§Ì壬ÈÜÓÚË®£¬²»ÈÜÓÚÒÒ´¼£¬Óл¹Ô­ÐÔ£®ÊµÑéÊÒ¿ÉÓñê×¼KMnO4ÈÜÒº²â¶¨ÊÐÊÛ²ÝËáÄÆÖÐNa2C2O4µÄÖÊÁ¿·ÖÊý£¨¼ÙÉèÔÓÖʲ»ÓëKMnO4·´Ó¦£©£®
£¨1£©ÓøßÃÌËá¼Ø±ê×¼ÈÜÒºµÎ¶¨±»²âÊÔÑù£¬Æä·´Ó¦µÄÀë×Ó·½³ÌʽÈçÏ£¬Ç뽫Ïà¹ØÎïÖʵĻ¯Ñ§¼ÆÁ¿Êý¼°»¯Ñ§Ê½ÌîдÔÚ·½¿òÀ

£¨2£©×¼È·³ÆÈ¡2.680g²ÝËáÄÆÑùÆ·ÈÜÓÚË®ºó£¬½«ÈÜÒº×ªÒÆÖÁ
 
£¨ÌîÒÇÆ÷Ãû³Æ£©ÖУ¬¼ÓˮϡÊÍÖÁ¿Ì¶ÈÖÆ³É100mLÈÜÒº£¬Ã¿´ÎÈ¡20.00mLÈÜÒºÓÚ×¶ÐÎÆ¿ÖУ¬¼ÓÏ¡ÁòËáËữ£¬×÷±»²âÊÔÑù£®
£¨3£©½«0.06mol?L-1KMnO4±ê×¼ÈÜÒºÖÃÓÚ
 
£¨Ìî¡°Ëáʽ¡±»ò¡°¼îʽ¡°£©µÎ¶¨¹ÜÖУ®¶ÁÈ¡ÈÜÒºÌå»ýµÄ³õʼ¶ÁÊýʱ£¬Èç¹ûÒºÃæÎ»ÖÃÈçͼËùʾ£¬Ôò´ËʱµÄ¶ÁÊýΪ
 
 mL£®
£¨4£©µÎ¶¨£®µ±³öÏÖ
 
ÏÖÏóʱ£¬µÎ¶¨µ½´ïÖյ㣮
£¨5£©Öظ´µÎ¶¨3´Î£¬²¢¼Ç¼KMnO4 ÈÜÒºµÄÖÕ¶ÁÊý£®ÊµÑéÊý¾ÝÈçϱíËùʾ£¨¼ÙÉèÿ´ÎʵÑéµÎ¶¨¹ÜÖеijõʼ¶ÁÊý¾ùÏàͬ£©£®
µÎ¶¨ÖÕµãµÚÒ»´ÎÖÕµãµÚ¶þ´ÎÖÕµãµÚÈý´ÎÖÕµãµÚËÄ´ÎÖÕµã
µÎ¶¨¹ÜÒºÃæ¿Ì¶È20.72mL21.70mL20.68mL 20.70mL
¾Ý´Ë¼ÆËã³ö²ÝËáÄÆÑùÆ·ÖÐNa2C2O4µÄÖÊÁ¿·ÖÊýΪ
 
£®
£¨6£©ÒÔϲÙ×÷»áÔì³É²â¶¨½á¹ûÆ«¸ßµÄÊÇ
 
 £¨Ìî×Öĸ±àºÅ£©
A£®ÅäÖÆ²ÝËáÄÆÈÜҺʱ£¬¶¨ÈÝʱÑöÊӿ̶ÈÏß
B£®µÎ¶¨¹ÜÓÃÕôÁóˮϴµÓºó£¬¼´×°Èë±ê×¼KMnO4 ÈÜÒº
C£®×¶ÐÎÆ¿ÓÃÕôÁóˮϴ¾»ºóÓÖÓôý²â²ÝËáÄÆÈÜÒºÈóÏ´
D£®µÎ¶¨Ç°µÎ¶¨¹Ü¼â×ìÖÐÓÐÆøÅÝ£¬µÎ¶¨ºóÆøÅÝÏûʧ£®

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø