ÌâÄ¿ÄÚÈÝ
Ïòº¬x mol NH4Fe(SO4)2µÄÈÜÒºÖÐÖðµÎ¼ÓÈëy mol Ba(OH)2ÈÜÒº£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ ( )
A. µ±x=2yʱ£¬·¢ÉúµÄÀë×Ó·´Ó¦Îª2NH4++SO42-+ Ba2++2OH- =2NH3¡¤H2O+ BaSO4¡ý
B. µ±x¡Ýyʱ£¬·¢ÉúµÄÀë×Ó·´Ó¦Îª2Fe3++ 3SO42-+3 Ba2++ 6OH- =2Fe(OH)3¡ý+3BaSO4¡ý
C. µ±2x=yʱ£¬·¢ÉúµÄÀë×Ó·´Ó¦Îª2Fe3++2NH4++2SO42-+2Ba2++6OH- =2Fe(OH)3¡ý+2BaSO4¡ý+ 2 NH3¡¤H2O
D. µ±x< y<l.5xʱ£¬³ÁµíÖÊÁ¿Îª£¨233x+107¡Á2x/3£©g
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿