ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÔÚÃܱÕÈÝÆ÷ÖнøÐз´Ó¦£º2A£«3B2C¡£¿ªÊ¼Ê±CµÄŨ¶ÈΪamol¡¤L£­1£¬2minºóCµÄŨ¶È±äΪ2amol¡¤L£­1£¬AºÍBµÄÎïÖʵÄÁ¿Å¨¶È¾ù±äΪԭÀ´µÄ1/2£¬ÔòÏÂÁÐ˵·¨Öв»ÕýÈ·µÄÊÇ£¨ £©

A£®ÓÃB±íʾµÄ·´Ó¦ËÙÂÊÊÇ0.75a mol/(L¡¤min)

B£®·´Ó¦¿ªÊ¼Ê±£¬c(B)£½3amol¡¤L£­1

C£®·´Ó¦2minºó£¬c(A)£½0.5amol¡¤L£­1

D£®·´Ó¦2minºó£¬c(B)£½1.5amol¡¤L£­1

¡¾´ð°¸¡¿C

¡¾½âÎö¡¿

ÊÔÌâ·ÖÎö£ºA¡¢¸ù¾Ý»¯Ñ§·´Ó¦ËÙÂʵıí´ïʽ£¬v(C)=(2a£­a)/2mol/(L¡¤min)=0.5 mol/(L¡¤min)£¬¸ù¾Ý»¯Ñ§·´Ó¦ËÙÂÊÖ®±ÈµÈÓÚϵÊýÖ®±È£¬Ôòv(B)=3v(C)/2=0.75mol/(L¡¤min)£¬¹Ê˵·¨ÕýÈ·£»B¡¢·´Ó¦¹ý³ÌÖУ¬ÏûºÄc(B)=1.5amol¡¤L£­1£¬Ôò·´Ó¦¿ªÊ¼Ê±£¬c(B)=3amol¡¤L£­1£¬¹ÊÕýÈ·£»C¡¢¿ªÊ¼Ê±£¬AµÄŨ¶ÈΪ2amol¡¤L£­1£¬Ôò·´Ó¦2minºó£¬c(A)=3a/2mol¡¤L£­1=1.5amol¡¤L£­1£¬¹Ê˵·¨´íÎó£»D¡¢¸ù¾ÝBµÄ·ÖÎö£¬·´Ó¦2minºó£¬c(B)=3a/2mol¡¤L£­1=1.5amol¡¤L£­1£¬¹Ê˵·¨ÕýÈ·¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿ÒÒ´¼µÄ·ÐµãÊÇ78 ¡æ£¬ÄÜÓëË®ÒÔÈÎÒâ±È»ìÈÜ£¬Ò×ÓëÂÈ»¯¸Æ½áºÏÉú³ÉÅäºÏÎï¡£ÒÒÃѵķеãΪ34.6 ¡æ£¬ÄÑÈÜÓÚË®£¬ÒÒÃѼ«Ò×ȼÉÕ¡£ÊµÑéÊÒÖÆÒÒÃѵķ´Ó¦Ô­ÀíÊÇ£º

2CH3CH2OHCH3CH2¡ªO¡ªCH2CH3 (ÒÒÃÑ£©£«H2O

ʵÑé²½Ö裺

¢ñ.ÒÒÃѵÄÖƱ¸

ÔÚ·ÖҺ©¶·ÖмÓÈë2 mL 95%µÄÒÒ´¼£¬ÔÚÒ»¸ÉÔïµÄÈý¾±ÉÕÆ¿ÖзÅÈë12 mL 95%µÄÒÒ´¼£¬ÔÚÀäˮԡÖеÄÀäȴϱßÒ¡¶¯±ß»ºÂý¼ÓÈë12 mLŨÁòËᣬʹ»ìºÏ¾ùÔÈ£¬²¢¼ÓÈë2Á£·Ðʯ¡£ÊµÑé×°ÖÃÈçÏÂͼ£º

½«·´Ó¦Æ¿·ÅÔÚµçÈÈÌ×ÉϼÓÈÈ£¬Ê¹Î¶ÈѸËÙµØÉÏÉýµ½140 ¡æ£¬¿ªÊ¼ÓÉ·ÖҺ©¶·ÂýÂýµÎ¼ÓÒÒ´¼£¬¿ØÖÆÁ÷ËÙ²¢±£³ÖζÈÔÚ135¡«140 ¡æÖ®¼ä¡£´ýÒÒ´¼¼ÓÍêºó£¬¼ÌÐø·´Ó¦10 min£¬Ö±µ½Î¶ÈÉÏÉýµ½160 ¡æÖ¹¡£¹Ø±ÕÈÈÔ´£¬Í£Ö¹·´Ó¦¡£

¢ò.ÒÒÃѵľ«ÖÆ

½«Áó³öÎïµ¹Èë·ÖҺ©¶·ÖУ¬ÒÀ´ÎÓÃ8 mL 15% NaOHÈÜÒº¡¢8 mL±¥ºÍʳÑÎˮϴµÓ£¬×îºóÔÙÓÃ8 mL±¥ºÍÂÈ»¯¸ÆÈÜҺϴµÓ2´Î£¬³ä·Ö¾²Öúó·ÖÒº¡£½«ÒÒÃѵ¹Èë¸ÉÔïµÄ׶ÐÎÆ¿ÖУ¬Óÿé×´ÎÞË®ÂÈ»¯¸Æ¸ÉÔï¡£´ýÒÒÃѸÉÔïºó£¬¼ÓÈëµ½ÕôÁó×°ÖÃÖÐÓÃÈÈˮԡÕôÁó£¬ÊÕ¼¯33¡«38 ¡æµÄÁó·Ö¡£

Çë¸ù¾ÝÉÏÊöÐÅÏ¢£¬Íê³ÉÏÂÁÐÎÊÌ⣺

£¨1£©ÒÒÃѵÄÖƱ¸ºÍ¾«Öƹý³ÌÖж¼ÐèҪʹÓ÷Ðʯ£¬Æä×÷ÓÃÊÇ________________________£¬

Èç¹ûʵÑéÖÐÍü¼Ç¼Ó·Ðʯ£¬ÐèÒªÔõô´¦Àí£¿______________________________________¡£

£¨2£©ÒÒÃѵÄÖƱ¸ºÍ¾«Öƹý³ÌÖж¼ÐèҪʹÓÃζȼƣ¬ÆäË®ÒøÇòλÖÃÊÇ·ñÏàͬ£¿________(Ìî¡°ÊÇ¡±»ò¡°·ñ¡±£©£¬Ô­ÒòÊÇ_____________________________________________________________¡£

£¨3£©ÒÇÆ÷CµÄÃû³ÆΪ________¡£

£¨4£©Èç¹ûζÈÌ«¸ß£¬½«»á·¢Éú¸±·´Ó¦£¬²úÎïÊÇ__________¡£

£¨5£©¾«ÖÆÒÒÃÑÖУ¬¼ÓÈë15% NaOHÈÜÒºµÄ×÷ÓÃÊÇ_________£¬¼ÓÈë±¥ºÍÂÈ»¯¸ÆÈÜÒºµÄ×÷ÓÃÊÇ_________¡£

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

¾«Ó¢¼Ò½ÌÍø