ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿²â¶¨ÁòËá;§Ì壨CuSO4XH2O £©ÖÐXÖµµÄʵÑé¹ý³ÌÈçÏ£º
£¨1£©ÏÂÁÐÊÇʵÑéÖÐÓõ½µÄ¼¸ÖÖÒÇÆ÷£¬ÒÇÆ÷Óë¶ÔÓ¦Ãû³ÆÕýÈ·µÄÊÇ___________¡£
£¨2£©¡°×ÆÉÕ¡±Ê±ÈÈÔ´Ñ¡ÓõÄÊǾƾ«µÆ¶ø²»ÊǾƾ«ÅçµÆ£¬ÀíÓÉÊÇ_____________________£»¡°ÀäÈ´¡±·ÅÔÚ_______________ÖÐ(ÌîÒÇÆ÷Ãû³Æ)¡£
£¨3£© ¡°ºãÖØ¡±²Ù×÷µÄÄ¿µÄÊÇ_________________________________________________£»
Åжϡ°ºãÖØ¡±µÄÒÀ¾ÝÊÇ_________________________________________________¡£
£¨4£©ÏÂÃæÊÇijѧÉúʵÑéµÄÒ»´ÎÊý¾Ý£¬ÇëÍê³É¼ÆËã
ÛáÛöÖÊÁ¿ | ÛáÛöÓ뾧Ìå×ÜÖÊÁ¿ | ¼ÓÈȺóÛáÛöÓë¹ÌÌå×ÜÖÊÁ¿ |
11.721g | 22.692g | 18.631g |
X=__________________£»(¾«È·µ½0.01)£¬ÊµÑéÏà¶ÔÎó²îÊÇ_________________¡£(±£ÁôСÊýµãºóһλ)
£¨5£©Õâ´ÎʵÑéÖвúÉúÎó²îµÄÔÒò¿ÉÄÜÊÇ__________ËùÔì³ÉµÄ¡£
a£®ÁòËá;§ÌåÖк¬Óв»»Ó·¢ÐÔÔÓÖÊ¡¡¡¡ b£®ÔÚ¼ÓÈȹý³Ì·¢ÏÖÓкÚÉ«ÎïÖÊÉú³É
c£®¼ÓÈÈʱÓо§Ìå·É½¦³öÀ´¡¡¡¡¡¡¡¡¡¡¡¡ d£®¼ÓÈÈʧˮºó¶ÖÃÔÚ¿ÕÆøÖÐÀäÈ´
¡¾´ð°¸¡¿ac ¾Æ¾«ÅçµÆζÈÌ«¸ßÈÝÒ×ʹÁòËáͷֽ⠸ÉÔïÆ÷ È·±£ÁòËá;§Ìåʧȥȫ²¿½á¾§Ë® ÏàÁÚÁ½´Î³ÆÁ¿µÄÖÊÁ¿²î²»³¬¹ý0.001g 5.22 +4.4% b¡¢c
¡¾½âÎö¡¿
£¨1£©¸ù¾ÝÒÇÆ÷µÄͼ¿ÉÖª£¬aΪÑв§£¬bΪÛáÛöǯ£¬cΪÛáÛö£¬dΪÄàÈý½Ç£¬ÒÇÆ÷Óë¶ÔÓ¦Ãû³ÆÕýÈ·µÄÊÇac£¬¹Ê´ð°¸Îª£ºac£»
£¨2£©¡°×ÆÉÕ¡±Ê±ÈÈÔ´Ñ¡ÓõÄÊǾƾ«µÆ¶ø²»ÊǾƾ«ÅçµÆ£¬¾Æ¾«ÅçµÆ¶Ô¾§Ìå¼ÓÈÈʱζȹý¸ß£¬ÁòËáÍ»á·Ö½â£¬Îª·ÀÖ¹ÎÞË®ÁòÍÔÚÀäÈ´¹ý³Ì ÖÐÎüÊÕ¿ÕÆøÖеÄË®·Ý£¬Ó°ÏìʵÑé½á¹û£¬ÀäÈ´Ó¦ÔÚ¸ÉÔïÆ÷ÖУ¬¹Ê´ð°¸Îª£º¾Æ¾«ÅçµÆζÈÌ«¸ßÈÝÒ×ʹÁòËáͷֽ⣻¸ÉÔïÆ÷£»
£¨3£©¡°ºãÖØ¡±²Ù×÷µÄÄ¿µÄ£ºÈ·±£ÁòËá;§ÌåÍêȫʧȥ½á¾§Ë®£¬±£Ö¤¶¨Á¿ÊµÑéµÄ׼ȷÐÔ£»Åжϡ°ºãÖØ¡±µÄÒÀ¾Ý£ºÁ¬ÐøÁ½´Î³ÆÁ¿µÄÖÊÁ¿²î²»³¬¹ý0.001g£¬¹Ê´ð°¸Îª£ºÈ·±£ÁòËá;§Ìåʧȥȫ²¿½á¾§Ë®£»ÏàÁÚÁ½´Î³ÆÁ¿µÄÖÊÁ¿²î²»³¬¹ý0.001g£»
£¨4£©¾§ÌåÖÊÁ¿Îª22.692g-11.721g=10.971g£¬ÁòËá͵ÄÖÊÁ¿Îª£º18.631g-11.721g=6.91g£¬Ë®µÄÖÊÁ¿Îª£º22.692g-18.631g=4.061g£¬ÁòËá͵ÄÎïÖʵÄÁ¿Îª£¬Ë®µÄÎïÖʵÄÁ¿Îª
£¬ËùÒÔ
£¬ÊµÑéÏà¶ÔÎó²îΪ
£¬¹Ê´ð°¸Îª£º5.22£»
£»
£¨5£©a£®ÁòËá;§ÌåÖк¬Óв»»Ó·¢µÄÔÓÖʵ¼Ö½ᾧˮÖÊÁ¿Æ«Ð¡£¬²»Ñ¡a£»
b£®ÊµÑéÇ°¾§Ìå±íÃæÓÐʪ´æË®µ¼Ö½ᾧˮÖÊÁ¿Æ«´ó£¬Ñ¡b£»
c£®¼ÓÈÈʱÓо§Ìå·É½¦³öÈ¥µ¼Ö½ᾧˮÖÊÁ¿Æ«´ó£¬Ñ¡c£»
d£®¼ÓÈÈʧˮºó¶ÖÃÔÚ¿ÕÆøÖÐÀäÈ´£¬ÎÞË®ÁòËáÍ»áÎüË®£¬µ¼Ö½ᾧˮÖÊÁ¿Æ«Ð¡£¬²»Ñ¡d£»¹Ê´ð°¸Îª£ºbc¡£
![](http://thumb2018.1010pic.com/images/loading.gif)
¡¾ÌâÄ¿¡¿Ä³¿ÎÍâ»î¶¯Ð¡×éÉè¼ÆÈçͼËùʾװÖÃÖÆÈ¡½Ï¶àÁ¿ÒÒËáÒÒõ¥¡£ÒÑÖª£º¢ÙÎÞË®ÂÈ»¯¸Æ¿ÉÓëÒÒ´¼ÐγÉÄÑÈÜÓÚË®µÄCaCl2¡¤6C2H5OH¡£
¢ÚÓйØÓлúÎïµÄ·Ðµã£º
ÊÔ¼Á | ÒÒÃÑ | ÒÒ´¼ | ÒÒËá | ÒÒËáÒÒõ¥ |
·Ðµã£¨¡æ£© | 34.7 | 78.5 | 118 | 77.1 |
ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A.×°ÖÃÖÐÇòÐιܼÈÄÜÀäÄýÕôÆøÓÖÄÜ·ÀÖ¹µ¹Îü
B.·´Ó¦½áÊøºó´óÊÔ¹ÜÖеÄÏÖÏóÊÇ£ºÈÜÒº·Ö²ã£¬Ï²ãÎÞÉ«ÓÍ×´ÒºÌ壻ÉϲãÈÜÒºÑÕÉ«±ädz
C.´Ó´óÊÔ¹ÜÖзÖÀë³öµÄÒÒËáÒÒõ¥Öл¹º¬ÓÐÒ»¶¨Á¿µÄÒÒ´¼¡¢ÒÒÃѺÍË®£¬Ó¦ÏȼÓÈëÎÞË®ÂÈ»¯¸Æ£¬¹ýÂË·ÖÀë³öÒÒ´¼
D.×îºó¼ÓÈëÎÞË®ÁòËáÄÆ£¬È»ºó½øÐÐÕôÁó£¬ÊÕ¼¯118¡æ×óÓÒµÄÁó·Ö£¬ÒԵõ½½Ï´¿¾»µÄÒÒËáÒÒõ¥¡£