Question

0.80 g CuSO₄¡¤5H₂OÑùÆ·ÊÜÈÈÍÑË®¹ý³ÌµÄÈÈÖØÇúÏߣ¨ÑùÆ·ÖÊÁ¿Ëæζȱ仯µÄÇúÏߣ©ÈçÏÂͼËùʾ¡£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÊÔÈ·¶¨200¡æʱ¹ÌÌåÎïÖʵĻ¯Ñ§Ê½___________£¨ÒªÇóд³öÍƶϹý³Ì£©

£¨2£©È¡270¡æËùµÃÑùÆ·£¬ÓÚ570¡æ×ÆÉյõ½µÄÖ÷Òª²úÎïÊǺÚÉ«·ÛÄ©ºÍÒ»ÖÖÑõ»¯ÐÔÆøÌ壬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ___________________________________¡£°Ñ¸ÃºÚÉ«·ÛÄ©ÈܽâÓÚÏ¡ÁòËáÖУ¬¾­Å¨Ëõ¡¢ÀäÈ´£¬Óо§ÌåÎö³ö£¬¸Ã¾§ÌåµÄ»¯Ñ§Ê½Îª______________£¬Æä´æÔÚµÄ×î¸ßζÈÊÇ______________________________________£»

£¨3£©ÉÏÊöÑõ»¯ÐÔÆøÌåÓëË®·´Ó¦Éú³ÉÒ»ÖÖ»¯ºÏÎ¸Ã»¯ºÏÎïµÄŨÈÜÒºÓëCuÔÚ¼ÓÈÈʱ·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ_______________________________________:

£¨4£©ÔÚ0.10 mol¡¤L^-1ÁòËáÍ­ÈÜÒºÖмÓÈëÇâÑõ»¯ÄÆÏ¡ÈÜÒº³ä·Ö½Á°è£¬ÓÐdzÀ¶É«ÇâÑõ»¯Í­³ÁµíÉú³É£¬µ±ÈÜÒºµÄpH=8ʱ£¬c(Cu²⁺)=________ mol¡¤L^-1£¨K_ap [Cu(OH)₂]=2.2¡Á10^-20£©¡£ÈôÔÚ0.1 mol¡¤L^-1ÁòËáÍ­ÈÜÒºÖÐͨÈëH₂SÆøÌ壬ʹCu²⁺ÍêÈ«³ÁµíΪCuS£¬´ËʱÈÜÒºÖеÄH⁺Ũ¶ÈÊÇ_________ mol¡¤L^-1¡£

Answer 1

¡¾´ð°¸¡¿½â£º£¨1£©CuSO₄¡¤H₂O   

CuSO₄¡¤5H₂OCuSO₄¡¤(5£­n) H₂O£«n H₂O

     250                               18n

     0.80 g                      0.80 g£­0.57 g£½0.23 g

     n£½4

£¨2£©CuSO₄CuO£«SO₃¡ü    CuSO₄¡¤5H₂O    102¡ãC

£¨3£©2H₂SO₄(Ũ)£«Cu CuSO₄£«SO₂¡ü£«2H₂O

£¨4£©2.2¡Á10^£­8    0.2