ÌâÄ¿ÄÚÈÝ

ʵÑéÌ⣺

½ñÓûÓÃNaHCO3¹ÌÌåÅäÖÆ500mL 0.2mol/LµÄNaHCO3ÈÜÒº¡£¸ù¾ÝÌâÒâÌî¿Õ£º
£¨1£©ÅäÖƸÃÈÜҺӦѡÓà            mLÈÝÁ¿Æ¿
£¨2£©ÓÃÍÐÅÌÌìƽ³ÆÈ¡              g¹ÌÌåNaHCO3
£¨3£©½«³ÆºÃµÄNaHCO3  ¹ÌÌå·ÅÖÁ500mLµÄ´óÉÕ±­ÖУ¬µ¹ÈëÔ¼250mLÕôÁóË®£¬Óò£Á§°ô½Á°èÖÁÍêÈ«Èܽ⡣´ýÀäÈ´ÖÁÊÒκ󣬽«ÉÕ±­ÖеÄÈÜÒºÓò£Á§°ôÒýÁ÷תÒÆÖÁÈÝÁ¿Æ¿¡£
£¨4£©ÓÃÉÙÁ¿ÕôÁóˮϴµÓÉÕ±­2-3´Î£¬²¢½«Ã¿´ÎÏ´µÓµÄÈÜÒº¶¼×¢ÈëÈÝÁ¿Æ¿£¬ÇáÇá»Î¶¯ÈÝÁ¿Æ¿£¬Ê¹ÈÜÒº»ìºÍ¾ùÔÈ¡£
£¨5£©ÏòÈÝÁ¿Æ¿ÖмÓÈëÕôÁóË®£¬Ö±µ½ÒºÃæÀë¿Ì¶ÈÏßÔ¼2-3ÀåÃ×ʱ£¬¸ÄÓà             µÎ¼ÓÕôÁóË®ÖÁÒºÃæÓë¿Ì¶ÈÏßÏàÇС£¸ÇºÃÆ¿Èû£¬Ò¡ÔÈ¡£
£¨6£©ÒÔÏÂÒòËØ»áÔì³ÉʵÑé½á¹ûÆ«µÍµÄÊÇ£¨       £©
A£®¶¨ÈÝʱ¹Û²ìÒºÃæÑöÊÓB£®¶¨ÈÝʱ¹Û²ìÒºÃ温ÊÓ
C£®Ã»Óеڣ¨4£©²½µÄÓÃÕôÁóˮϴµÓÉÕ±­D£®ÈÝÁ¿Æ¿ÖÐÔ­À´ÓÐÉÙÁ¿ÕôÁóË®
£¨1£©500  £¨2£©8.4 £¨5£©½ºÍ·µÎ¹Ü   £¨6£©AC
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø