ÌâÄ¿ÄÚÈÝ
³£ÎÂÏ£¬0.1 mol¡¤L£1ijһԪËá(HA)ÈÜÒºÖÐc(OH£)/c(H+)£½1¡Á10£8£¬ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ | |
A£® |
¸ÃÈÜÒºÖÐÓÉË®µçÀë³öµÄc(H+)£½1¡Á10£11 mol¡¤L£1 |
B£® |
ÓÉpH£½3µÄHAÓëpH£½11µÄNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬ÈÜÒºÖÐ c(Na+)£¾c(Ac£)£¾c(OH£)£¾c(H+) |
C£® |
Ũ¶È¾ùΪ0.1 mol/LµÄHAºÍNaAÈÜÒºµÈÌå»ý»ìºÏºó£¬ÈôÈÜÒº³ÊËáÐÔ£¬Ôò c(A£)£¾c(HA)£¾c(Na+)£¾c(H+)£¾c(OH£) |
D£® |
0.1 mol¡¤L£1HAÈÜÒºÓë0.05 mol¡¤L£1NaOHÈÜÒºµÈÌå»ý»ìºÏºóËùµÃÈÜÒºÖÐ 2c(H+)£«c(HA)£½c(A£)£«2c(OH£) |
´ð°¸£ºAD
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿