ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿

£¨1£©Ð´³öÒÇÆ÷Ãû³Æ£ºE_____________£¬F_____________¡£

£¨2£©ÏÂÁÐʵÑé²Ù×÷ÖÐÓõ½ÒÇÆ÷DµÄÊÇ_________(Ñ¡ÌîÏÂÁÐÑ¡ÏîµÄ±àºÅ×Öĸ )¡£

A£®·ÖÀëË®ºÍCC14µÄ»ìºÏÎï B£®·ÖÀëË®ºÍ¾Æ¾«µÄ»ìºÏÎï C£®·ÖÀëË®ºÍÄàÉ°µÄ»ìºÏÎï

¢ò.ij¿ÎÍâÐËȤС×éÐèÒª200mL1mol/LµÄNa2CO3ÈÜÒº,Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÅäÖÆÈÜÒºËùÐèÒÇÆ÷¼°Ò©Æ·£º

Ó¦³ÆÈ¡Na2CO3µÄÖÊÁ¿
______(g)

ӦѡÓÃÈÝÁ¿Æ¿µÄ¹æ¸ñ
_______(mL)

³ýÈÝÁ¿Æ¿Í⻹ÐèÒªµÄÆäËü²£Á§ÒÇÆ÷ÊÇÉÏͼÖеÄ______¡¢_____¼°²£Á§°ô

£¨2£©ÅäÖÆʱ£¬ÆäÕýÈ·µÄ²Ù×÷˳ÐòÊÇ(ÓÃ×Öĸ±íʾ£¬Ã¿¸ö²Ù×÷Ö»ÄÜÓÃÒ»´Î)______________¡£

A£®½«ÒÑÀäÈ´µÄÈÜÒºÑز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖÐ

B£®ÓÃÍÐÅÌÌìƽ׼ȷ³ÆÁ¿ËùÐèNa2CO3µÄÖÊÁ¿£¬µ¹ÈëÉÕ±­ÖУ¬ÔÙ¼ÓÈëÊÊÁ¿Ë®£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹ÆäÈܽâ(±ØҪʱ¿É¼ÓÈÈ)

C£®ÓÃÊÊÁ¿Ë®Ï´µÓÉÕ±­2-3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿ÖУ¬Õñµ´

D£®¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÒºÃæÇ¡ºÃÓë¿Ì¶ÈÏßÏàÇÐ

E.½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ

F.¼ÌÐøÍùÈÝÁ¿Æ¿ÄÚСÐļÓË®£¬Ö±µ½ÒºÃæ½Ó½ü¿Ì¶È1¡«2cm´¦

£¨3£©Èô³öÏÖÈçÏÂÇé¿ö£¬¶ÔËùÅäÈÜҺŨ¶È½«ÓкÎÓ°Ïì(Ìî¡°Æ«¸ß¡±¡¢¡°Æ«µÍ¡±»ò¡°ÎÞÓ°Ï족)?

ûÓнøÐÐC²Ù×÷________£»ÅäÖÆÈÜҺʱ£¬ÈÝÁ¿Æ¿Î´¸ÉÔï_________£»¶¨ÈÝʱ¸©Êӿ̶ÈÏß_________¡£

¡¾´ð°¸¡¿I.£¨1£©ÀäÄý¹Ü£¬·ÖҺ©¶·£»£¨2£©c£»

II.£¨1£©26.5£¬250mL£¬B£¨»òÉÕ±­£©£¬C£¨»ò½ºÍ·µÎ¹Ü£©£»

£¨2£©B¡¢A¡¢C¡¢F¡¢D¡¢E£»£¨3£©Æ«µÍ£¬ÎÞÓ°Ï죬ƫ¸ß¡£

¡¾½âÎö¡¿ÊÔÌâI. £¨1£©EÒÇÆ÷Ãû³ÆÊÇÀäÄý¹Ü£»F Ãû³ÆÊÇ·ÖҺ©¶·£»£¨2£©ÒÇÆ÷DÊÇ©¶·¡£A£®·ÖÀëË®ºÍCC14ÕâÁ½ÖÖ»¥²»ÏàÈܵÄÒºÌå»ìºÏÎïҪʹÓ÷ÖҺ©¶·£¬²»ÊÇ©¶·£¬´íÎó£»B£® Ë®ºÍ¾Æ¾«ÊÇ»¥ÈܵÄÒºÌå»ìºÏÎ¶þÕߵķе㲻ͬ£¬·ÖÀëË®ºÍ¾Æ¾«µÄ»ìºÏÎïÒªÓÃÕôÁóµÄ·½·¨£»C£® ÄàɳÄÑÈÜÓÚË®£¬Òò´Ë·ÖÀëÄÑÈÜÐԵĹÌÌåÓëÒºÌå»ìºÏÎïµÄ·½·¨ÊǹýÂË£¬Ê¹ÓõÄÒÇÆ÷ÊÇ©¶·£¬¹ÊÑ¡ÏîcÕýÈ·£»¢ò.ÅäÖÆ200mL1mol/LµÄNa2CO3ÈÜÒº£¬ÓÉÓÚÈÝÁ¿Æ¿µÄ¹æ¸ñÊÇ250mL£¬ÈÜÒº¸÷´¦µÄŨ¶ÈÏàµÈ£¬ËùÒÔn(Na2CO3)=1mol/L¡Á0.25L=0.25mol£¬m(Na2CO3)= 0.25mol¡Á106g/mol=26.5g¡£Ó¦Ñ¡ÓÃÈÝÁ¿Æ¿µÄ¹æ¸ñ250mL£»³ýÈÝÁ¿Æ¿Í⻹ÐèÒªµÄÆäËü²£Á§ÒÇÆ÷ÊÇÉÏͼÖеÄÉÕ±­¡¢½ºÍ·µÎ¹Ü¼°²£Á§°ô£¬¹ÊÑ¡Ïî´úºÅÊÇB¡¢C£»£¨2£© ÅäÖÆÎïÖʵÄÁ¿Å¨¶ÈµÄÈÜҺʱ£¬ÅäÖƲ½ÖèÊÇB£®ÓÃÍÐÅÌÌìƽ׼ȷ³ÆÁ¿ËùÐèNa2CO3µÄÖÊÁ¿£¬µ¹ÈëÉÕ±­ÖУ¬ÔÙ¼ÓÈëÊÊÁ¿Ë®£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹ÆäÈܽ⣻A£®½«ÒÑÀäÈ´µÄÈÜÒºÑز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖУ»C£®ÓÃÊÊÁ¿Ë®Ï´µÓÉÕ±­2-3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿ÖУ¬Õñµ´£»F.¼ÌÐøÍùÈÝÁ¿Æ¿ÄÚСÐļÓË®£¬Ö±µ½ÒºÃæ½Ó½ü¿Ì¶È1¡«2cm´¦£»D£®¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÒºÃæÇ¡ºÃÓë¿Ì¶ÈÏßÏàÇУ»E.½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ¡£´úºÅÊÇB¡¢A¡¢C¡¢F¡¢D¡¢E£»£¨3£©ÈôûÓнøÐÐC²Ù×÷£¬ÔòÈÜÖʵÄÎïÖʵÄÁ¿Æ«ÉÙ£¬Ê¹ÈÜÒºµÄŨ¶ÈÆ«µÍ£»ÅäÖÆÈÜҺʱ£¬ÈÝÁ¿Æ¿Î´¸ÉÔÓÉÓÚ²»Ó°ÏìÈÜÖʵÄÎïÖʵÄÁ¿¼°ÈÜÒºµÄÌå»ý£¬Ôò¶ÔÅäÖƵÄÈÜÒºµÄŨ¶ÈÎÞÓ°Ï죻¶¨ÈÝʱ¸©Êӿ̶ÈÏߣ¬ÔòÈÜÒºµÄÌå»ýÆ«ÉÙ£¬Ê¹ÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈÆ«¸ß¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø