ÌâÄ¿ÄÚÈÝ
ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ £¨¡¡¡¡£©
A£®90¡æʱ£¬´¿Ë®µÄpHµÈÓÚ7
B£®ÒÑÖªÒ»ÖÖc £¨H£«£©£½1¡Á10£3mol/LµÄËáºÍÒ»ÖÖc £¨OH££©£½1¡Á10£3mol/L¼îÈÜÒºÒÔµÈÌå»ý»ìºÏºó£¬ÈÜÒº³ÊËáÐÔ£¬ÆäÔÒòÊÇŨµÄÈõËáºÍÏ¡¼î·´Ó¦ËùÖÂ
C£®ÅäÖÆFeCl3ÈÜÒº£¬ÎªÁËÒÖÖÆË®½â£¬³£¼ÓÏ¡ÁòËá
D£®ÔÚNa2SÈÜÒºÖУ¬Àë×ÓŨ¶ÈµÄ¹ØϵÊÇ£ºc £¨Na£«£©£¾c £¨S2££©£¾c £¨HS££©£¾c £¨OH££©£¾c £¨H£«£©
B
½âÎö:ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿