ijͬѧҪÅäÖÆ0.2mol/LNa2SO4ÈÜÒº500mL£¬ÇëÍê³ÉÏÂÁÐÎÊÌ⣺
£¨1£©ÐèÒªNa2SO4¹ÌÌåµÄÖÊÁ¿Îª____________g
£¨2£©ÅäÖÆʱ£¬ÕýÈ·µÄ²Ù×÷˳ÐòÊÇ£¨ÓÃ×Öĸ±íʾ£¬Ã¿¸ö×ÖĸֻÄÜÓÃÒ»´Î£©______________
A£®ÓÃ30mLˮϴµÓÉÕ±2~3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿£¬Õñµ´ |
B£®ÓÃÍÐÅÌÌìƽ׼ȷ³ÆÁ¿Na2SO4¹ÌÌ壬ÔÚÉÕ±ÖÐÓÃÉÙÁ¿Ë®Èܽâ |
C£®½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ |
D£®½«ÒÑÀäÈ´µÄÈÜҺתÒƵ½ÈÝÁ¿Æ¿ÖÐ |
(1)14.2g (2)BDAFEC £¨3£©°ÑÈ«²¿Na2SO4תÒƵ½ÈÝÁ¿Æ¿ÖÐÒÔ¼õСʵÑéÎó²î
½âÎöÊÔÌâ·ÖÎö£º£¨1£©ÐèÒªNa2SO4¹ÌÌåµÄÖÊÁ¿Îª0.2mol/L¡Á0.5L¡Á142g/mol£½14.2g¡£
£¨2£©¸ù¾ÝÅäÖƵÄÔÀíÒÔ¼°ÊµÑé²Ù×÷ÒªÇó¿ÉÖª£¬ÕýÈ·µÄ²Ù×÷˳ÐòÊÇBDAFEC¡£
£¨3£©½«Ï´µÓÒºÒ²×¢Èëµ½ÈÝÁ¿Æ¿ÖеÄÄ¿µÄÊǼõСʵÑéÎó²î¡£
¿¼µã£º¿¼²éÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖÆ
µãÆÀ£º¸ÃÌâÊÇ»ù´¡ÐÔʵÑéÌâµÄ¿¼²é£¬Ö÷ÒªÊÇ¿¼²éѧÉú¶ÔÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºÅäÖƵÄÁ˽âÕÆÎÕÇé¿ö£¬ÒâÔÚÅàÑøѧÉú¹æ·¶ÑϽ÷µÄʵÑéÉè¼ÆÒÔ¼°¶¯ÊÖ²Ù×÷ÄÜÁ¦£¬Ò²ÓÐÁ˵÷¶¯Ñ§ÉúµÄѧϰÐËȤ¡£¸ÃÌâµÄ¹Ø¼üÊÇÃ÷ȷʵÑéÔÀí£¬È»ºó½áºÏÌâÒâÁé»îÔËÓü´¿É¡£
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2012-2013ѧÄêºÓ±±Ê¡Ê¯¼ÒׯÊи߶þÉÏѧÆÚÆÚÖп¼ÊÔÎÄ¿Æ»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ
ijͬѧҪÅäÖÆ0.2mol/LNa2SO4ÈÜÒº500mL£¬ÇëÍê³ÉÏÂÁÐÎÊÌ⣺
£¨1£©ÐèÒªNa2SO4¹ÌÌåµÄÖÊÁ¿Îª____________g
£¨2£©ÅäÖÆʱ£¬ÕýÈ·µÄ²Ù×÷˳ÐòÊÇ£¨ÓÃ×Öĸ±íʾ£¬Ã¿¸ö×ÖĸֻÄÜÓÃÒ»´Î£©______________
A£®ÓÃ30mLˮϴµÓÉÕ±2~3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿£¬Õñµ´
B£®ÓÃÍÐÅÌÌìƽ׼ȷ³ÆÁ¿Na2SO4¹ÌÌ壬ÔÚÉÕ±ÖÐÓÃÉÙÁ¿Ë®Èܽâ
C£®½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ
D£®½«ÒÑÀäÈ´µÄÈÜҺתÒƵ½ÈÝÁ¿Æ¿ÖÐ
E.ÖðµÎ¼ÓË®£¬Ê¹ÈÜÒº°¼ÒºÃæÇ¡ºÃÓë¿Ì¶ÈÏàÇÐ
F.¼ÌÐøÏòÈÝÁ¿Æ¿ÄÚСÐļÓË®£¬Ö±µ½ÒºÃæ½Ó½ü¿Ì¶È2~3cm´¦
£¨3£©²Ù×÷AÖУ¬½«Ï´µÓÒº¶¼ÒÆÈëÈÝÁ¿Æ¿£¬ÆäÄ¿µÄÊÇ____________________________________
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com