ÑÇÁòËáÄÆ(»¯Ñ§Ê½ÎªNa2SO3)ÈÜÒºÄܺÍBaCl2ÈÜÒº·´Ó¦£¬Éú³ÉÑÇÁòËá±µ°×É«³Áµí£¬ÑÇÁòËá±µÄÜÈÜÓÚÑÎËáÖУ¬ÒÔÉÏ·´Ó¦µÄ»¯Ñ§·½³ÌʽÈçÏ£º
Na2SO3+BaCl2=BaSO3¡ý+2NaCl£»BaSO3+2HCl=BaCl2+SO2¡ü+H2O£¬ÊµÑéÊÒÖеÄÑÇÁòËáÄÆÈô±£´æ²»µ±¾ÍÈÝÒ×Óë¿ÕÆøÖеÄÑõÆø·´Ó¦Éú³ÉÁòËáÄÆ¡£ÎªÁ˼ìÑé´¢´æµÄһƿÑÇÁòËáÄÆÊÇ·ñ±äÖÊ£¬È¡ÉÙÁ¿ÑÇÁòËáÄÆÑùÆ·ÅäÖƳÉÈÜÒº£¬ÔÙÈ¡ÈÜÒºÉÙÐí£¬µÎÈëÂÈ»¯±µ£¬È»ºóÔÙµÎÈëÏõËᣬ
£¨1£©ÈôÑÇÁòËáÄÆδ±äÖʹ۲쵽µÄÏÖÏóÊÇ                                £»
£¨2£©ÈôÑÇÁòËáÄƲ¿·Ö±äÖÊ£¬¹Û²ìµ½µÄÏÖÏóÊÇ                                    ¡£

²úÉú°×É«³Áµí£¬³ÁµíÈ«²¿ÈÜÓÚÏ¡ÏõË᣻²úÉú°×É«³Áµí£¬³Áµí²¿·ÖÈÜÓÚÏ¡ÏõËá

½âÎöÊÔÌâ·ÖÎö£ºÑÇÁòËáÄÆ(»¯Ñ§Ê½ÎªNa2SO3)ÈÜÒºÄܺÍBaCl2ÈÜÒº·´Ó¦£¬Éú³ÉÑÇÁòËá±µ°×É«³Áµí£¬ÑÇÁòËá±µÄÜÈÜÓÚÑÎËáÖв¢²úÉú¶þÑõ»¯Áò´Ì¼¤ÐÔÆøÌ壬¶øÁòËá±µ³Áµí²»ÈÜÓÚÏ¡ÑÎËáºÍÏ¡ÏõËᣬËùÒÔÈ¡ÉÙÁ¿ÑÇÁòËáÄÆÑùÆ·ÅäÖƳÉÈÜÒº£¬ÔÙÈ¡ÈÜÒºÉÙÐí£¬µÎÈëÂÈ»¯±µ£¬È»ºóÔÙµÎÈëÏõËᣬ£¨1£©ÈôÑÇÁòËáÄÆδ±äÖʹ۲쵽µÄÏÖÏóÊÇ£»²úÉú°×É«³Áµí£¬³ÁµíÈ«²¿ÈÜÓÚÏ¡ÏõË᣻£¨2£©ÈôÑÇÁòËáÄƲ¿·Ö±äÖÊ£¬¹Û²ìµ½µÄÏÖÏóÊÇ£»²úÉú°×É«³Áµí£¬³Áµí²¿·ÖÈÜÓÚÏ¡ÏõËá¡£
¿¼µã£ºÒ©Æ·ÊÇ·ñ±äÖʵÄ̽¾¿£»»¯Ñ§ÊµÑé·½°¸Éè¼ÆÓëÆÀ¼Û

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

£¨3·Ö£©Ê³´×ÊÇÒ»ÖÖÄÜÔöǿʳƷËáζµÄ³£Óõ÷ζ¼Á£¬ÆäÖ÷Òª³É·ÖΪ´×Ëá(CH3COOH)£¬ËüÓëÎÒÃǵÄÉú»îÃÜÇÐÏà¹Ø¡£ÇëÄã¸ù¾ÝËùѧ֪ʶ£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ê³´×ÓÐËá棬ÒòΪ´×ËáµÄË®ÈÜÒºÏÔ____   £®£¨Ìî¡°ËáÐÔ¡°¡¢¡°ÖÐÐÔ¡±»ò¡°¼îÐÔ¡±£©¡£
£¨2£©´×ËáÖУ¬ÖÊÁ¿·ÖÊý×î´óµÄÔªËØÊÇ____   ÔªËØ¡£
£¨3£©Éú»îÖУ¬¿ÉÓÃʳ´×Èí»¯Óã¹ÇºÍ¼¦µ°¿Ç£¬ÒòΪ´×ËáÄÜÓëËüÃǵÄÖ÷Òª³É·Ö·´Ó¦£¬Éú³É´×Ëá¸Æ¡¢¶þÑõ»¯Ì¼ºÍË®¡£ÓÉ´Ë¿ÉÍÆÖªÓã¹Ç¡¢¼¦µ°¿ÇÖ÷Òª³É·ÖÊÇ£¨Ìѧʽ£©____    ____   ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ij»¯Ñ§ÐËȤС×éµÄͬѧÓÃÓÒͼËùʾµÄ×°ÖýøÐÐÁËÒ»¸öȤζСʵÑ飨ͼÖÐÌú¼Ų̈µÈÒÇÆ÷¾ùÒÑÂÔÈ¥£©£¬ÔÚ¢ñÖмÓÈë×ãÁ¿¹ÌÌåºÍ¹ýÁ¿ÒºÌåÊÔ¼Áºó£¬Èû½ôÏðƤÈû£¬Á¢¼´´ò¿ªµ¯»É¼Ð£¬¹Û²ìµ½¢òÖÐÏÖÏóÓУºµ¼¹Ü¿ÚðÆøÅÝ£¬ÈÜÒº³öÏÖ°×É«»ë×Ç¡£ÓÉ´ËÍƶϢñÖмÓÈëµÄÎïÖÊ¿ÉÄÜÊÇ£¨1£©              £»Ò»¶Îʱ¼äºó¼Ó½ôµ¯»É¼Ð£¬¹Û²ìµ½¢òÖÐÏÖÏóÓУº£¨2£©            £¬ÇëÓÃÀí»¯ÖªÊ¶½âÊ͹رյ¯»É¼Ðºó£¬¢òÖвúÉúÏÖÏóµÄÔ­Òò£¨3£©                 ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÈçͼÊÇÇâÑõ»¯ÄÆÈÜÒººÍÑÎËáÓõμӷ½Ê½·´Ó¦Ê±£¬ÈÜÒºpHËæµÎÈëÈÜÒºÌå»ý±ä»¯µÄÇúÏß¡£

(1)ÇâÑõ»¯ÄƺÍÑÎËáÇ¡ºÃÍêÈ«·´Ó¦Ê±£¬ÈÜÒºµÄpH      7(Ìî¡°´óÓÚ¡±¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±)¡£
(2)¸ù¾ÝÇúÏßÅжϣ¬¸Ã·´Ó¦Êǽ«       (Ìî¡°ÇâÑõ»¯ÄÆÈÜÒº¡±»ò¡°ÑÎËᡱ£¬ÏÂͬ)µÎÈë      ÖУ¬ÀíÓÉÊÇ                                            ¡£
(3)µ±µÎÈëÈÜÒºµÄÌå»ýΪ5 mLʱ£¬ËùµÃÈÜÒºÖеÄÈÜÖÊΪ              (д»¯Ñ§Ê½)£¬ÈôÔÚ´ËÈÜÒºÖеÎÈëʯÈïÊÔÒº£¬ÈÜÒºÏÔ        É«¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÎÒ¹úÓµÓзḻµÄº£Ñó×ÊÔ´£¬ÎÒÃÇ¿ÉÒÔ´Óº£Ë®ÖÐÌáȡʳÑΣ¬²¢ÒÔ´ËΪԭÁÏÖƵþßÓй㷺ÓÃ;µÄÉռÆäÖÆÈ¡µÄÖ÷Òª¹¤ÒÕÁ÷³ÌÈçÏ£º

(1)ÀûÓ÷紵ÈÕɹ¿ÉÒÔ´Óº£Ë®ÖÐÌáÈ¡´ÖÑΣ¬·ç´µÈÕɹµÄÖ÷Òª×÷ÓÃÊÇ                               £»
(2)ÂÈ»¯ÄÆÈܽâ¹ý³ÌÖнÁ°èµÄÄ¿µÄÊÇ                                                    £»
(3)д³öÂÈ»¯ÄƱ¥ºÍÈÜÒºÔÚͨµçÌõ¼þÏ·¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ                          ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

άÉúËØC(¼ò³ÆVc£¬ÓÖÃû¿¹»µÑªËá)£¬Ò×ÈÜÓÚË®£¬Ò×±»Ñõ»¯¡£ÈËÌåȱ·¦Vc¿ÉÄÜÒý·¢¶àÖÖ¼²²¡¡£Ë®¹ûºÍÊß²ËÖк¬ÓзḻµÄVc¡£Ä³Ñо¿ÐÔѧϰС×é¶ÔËü̽¾¿ÈçÏ£º
̽¾¿Ò»£º²â¶¨ÒûÁÏÖÐVcµÄº¬Á¿¡£
¡¾²éÔÄ×ÊÁÏ¡¿VcÄܺ͸ßÃÌËá¼Ø·´Ó¦£¬Ê¹×ÏÉ«µÄ¸ßÃÌËá¼ØÈÜÒºÍÊÉ«¡£
¡¾Éè¼Æ·½°¸¡¿·Ö±ðÏòÊ¢ÓÐ1 mLµÈŨ¶È¸ßÃÌËá¼ØÏ¡ÈÜÒºµÄËÄÖ§ÊÔ¹ÜÖÐÖðµÎµÎ¼Ó¹ûζÒûÁÏ¡¢Æ»¹ûÖ­¡¢ÀæÖ­ºÍ0.04%µÄVcÈÜÒº£¬±ßµÎ±ßÕñµ´£¬Ö±ÖÁ¸ßÃÌËá¼ØÈÜÒºÍÊÉ«¡£
¡¾ÊµÑéÊý¾Ý¡¿

 
¹ûζÒûÁÏ
Æ»¹ûÖ­
ÀæÖ­
0.04%µÄVcÈÜÒº
µÎ¼ÓµÄµÎÊý
40
10
20
5
 
¡¾ÊµÑé½áÂÛ¡¿·ÖÎöÊý¾Ý¿ÉÖª£¬Vcº¬Á¿×î¸ßµÄÊÇ       £¬º¬Á¿Îª       (¸÷ÒºÌåÃܶÈÉϵIJî±ðºÍÿһµÎµÄÌå»ý²î±ðºöÂÔ²»¼Æ)¡£
̽¾¿¶þ£ºÊ߲˷ÅÖÃʱ¼äµÄ³¤¶Ì¶ÔÆäVcº¬Á¿ÊÇ·ñÓÐÓ°Ïì¡£
¡¾Éè¼Æ·½°¸¡¿ÇëÄãÓÃÐÂÏʵĻƹϡ¢·ÅÖÃÒ»ÖܵĻƹϡ¢¸ßÃÌËá¼ØÏ¡ÈÜÒººÍ±ØÒªµÄÒÇÆ÷Éè¼ÆʵÑé·½°¸£º                               ¡£
¡¾ÊµÑé½áÂÛ¡¿°´ÉÏÊö·½°¸ÊµÑ飬¸ù¾Ý       ÕâһʵÑé½á¹û£¬·ÖÎöµÃ³öÊ߲˷ÅÖÃʱ¼äµÄ³¤¶Ì¶ÔÆäVcµÄº¬Á¿ÓÐÓ°Ïì¡£
¡¾ÊµÑ鷴˼¡¿»¯Ñ§ÊµÑéÐèÒª¿ØÖƱäÁ¿¡£ÏÂÁÐÇé¿ö²»»áÓ°Ïìµ½²â¶¨½á¹ûµÄÊÇ                                                              ¡£
A.ÿ´ÎʵÑéËùÓõĹûÖ­ÑÕÉ«²»Í¬   
B.Á¿È¡µÄ±»²âÎïÖʵÄÌå»ý²»Í¬
C.ÊԹܵĴóС²»Í¬
D.ûÓÐÓÃͬһ¹æ¸ñ½ºÍ·µÎ¹ÜµÎ¼Ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

º£Ë®ÖÐÓдóÁ¿¿ÉÒÔÀûÓõĻ¯Ñ§×ÊÔ´£¬ÀýÈçÂÈ»¯Ã¾¡¢ÂÈ»¯ÄÆ¡¢ä廯¼ØµÈ¡£×ÛºÏÀûÓú£Ë®ÖƱ¸½ðÊôþµÄÁ÷³ÌÈçͼËùʾ£º

(1)±´¿ÇÖ÷Òª³É·ÖµÄ»¯Ñ§Ê½ÊÇ       ¡£
(2)²Ù×÷aµÄÃû³ÆÊÇ           £¬ÔÚʵÑéÊÒÖнøÐдËÏî²Ù×÷£¬ÐèÒªµÄ²£Á§ÒÇÆ÷ÓÐÉÕ±­¡¢²£Á§°ô¡¢         ¡£
(3)¹¤ÒµÒ±Á¶Ã¾³£Óõç½âMgCl2µÄ·½·¨£¬·´Ó¦Îª£º
MgCl2Mg£«     ¡£
(4)д³öµÚ¢Ú¡¢¢ÛÁ½²½·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º
¢Ú                                                            £¬
¢Û                                                            ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

Ï´µÓ¼Á(Èç·ÊÔí¡¢Ï´Ò·۵È)ÊÇÉú»îÖг£ÓõÄÎïÖÊ£¬´ó¶àÏÔ¼îÐÔ¡£Ð¡ºìÈ¡ÁËÉÙÁ¿ÓÃÀ´´µÅÝÅݵķÊÔíË®£¬ÓÃpHÊÔÖ½²âÊԵĽá¹ûÊÇpH       7(Ìîд¡°£¼¡± ¡°£½¡±»ò¡°£¾¡±)£¬ÈôÏòÆäÖмÓÈëÉÙÁ¿µÄÎÞÉ«·Ó̪ÊÔÒº(»¯Ñ§Ê½ÎªC20H14O4)£¬·ÊÔíË®³Ê       É«¡£·Ó̪ÊÇÓÉ       ÖÖÔªËØ×é³ÉµÄ£¬·Ó̪·Ö×ÓÖÐ̼ԭ×ÓºÍÑõÔ­×ӵĸöÊý±ÈÊÇ       ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ͨ¹ýÒ»ÄêµÄѧϰ£¬Ð¡Ç¿ÄÜÓÃѧµ½µÄ»¯Ñ§ÖªÊ¶½â¾öÐí¶àÎÊÌâ¡£
£¨1£©Îóʳ¹¤ÒµÓÃÑÎÑÇÏõËáÄÆ»áÒýÆðÖж¾¡£ÒÑÖªÑÇÏõËáÄƵÄË®ÈÜÒºÏÔ¼îÐÔ£¬ÂÈ»¯ÄƵÄË®ÈÜÒº³ÊÖÐÐÔ£¬Òª¼ø±ðÑÇÏõËáÄƺÍÂÈ»¯ÄÆ¿ÉÑ¡Ôñ            ¡£
£¨2£©Î¸Ëá¹ý¶àµÄ²¡ÈË£¬¿É·þÓú¬ÇâÑõ»¯ÂÁµÄÒ©ÎïÀ´¼õÇᲡʹ£¬Æä·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ               ¡£
£¨3£©Ò·þÉϵÄÓÍÎÛ£¬¿ÉÒÔÓüÓÁËÏ´µÓ¼ÁµÄˮϴ¾»£¬ÆäÔ­ÀíÊÇ                       £»Ò²¿ÉÒÔÓÃÆûÓÍÏ´¾»£¬ÆäÔ­ÀíÊÇ                           ¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸