ÌâÄ¿ÄÚÈÝ
ÊÒÎÂÏ£¬ÏÂÁлìºÏÈÜÒºÖУ¬¸÷Àë×ÓŨ¶ÈµÄ¹ØÏµÕýÈ·µÄÊÇ
A£®Ph = 12µÄ°±Ë®ÈÜÒºÓëpH=2µÄÑÎËáÈÜÒºµÈÌå»ý»ìºÏc(NH4£«)£¾c(Cl£)£¾c(OH£)£¾c(H+)
B£®Å¨¶È¾ùΪ0.1 mol?L£1µÄÁòËáÇâï§ÈÜÒºÓëÇâÑõ»¯ÄÆÈÜÒºµÈÌå»ý»ìºÏ
c(Na£«)£¾c(SO42£)£¾c(NH4£«)£¾c(H+)£¾c(OH£)
C£®Å¨¶È¾ùΪ0.1 mol?L£1µÄСËÕ´òÈÜÒºÓëÉÕ¼îÈÜÒºµÈÌå»ý»ìºÏ
c(Na£«)£«c(H+)£½2c(CO32£)£«c(OH£)
D£®Å¨¶È¾ùΪ0.1 mol?L£1µÄ´×ËáÈÜÒºÓëÇâÑõ»¯ÄÆÈÜÒºµÈÌå»ý»ìºÏ
c(Na£«)£½c(CH3COO£)£¾c(OH£)£½c(H+)
A
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿