ÌâÄ¿ÄÚÈÝ
¼ø¶¨µ°°×ÖÊÑùƷʱ¼ÓË«ËõëåÊÔ¼ÁµÄÕýÈ·×ö·¨ÊÇ£¨ £©
A£®ÏȼÓ1ml 0.01g/mlÁòËáÍ£¬Ò¡ÔȺóÔٵμÓ3-4µÎ0.1g/mlNaOHÈÜÒº£¬Ò¡Ôȹ۲ì |
B£®ÏȼÓ1ml 0.05g/mlÁòËáÍ¡¢ºó¼ÓÈë1ml0.1g/mlNaOHÈÜÒº»ìÔȺ󣬼ÓÈëÑùÆ·Ò¡ÔȺó¹Û²ì |
C£®ÏȼÓ1ml0.1g/mlNaOHÈÜÒºÒ¡ÔÈ£¬ÔٵμÓ3-4µÎ0.01g/mlÁòËáÍ£¬Ò¡Ôȹ۲ì |
D£®½«0.01g/mlÁòËáÍÓë0.1g/mlNaOHÈÜÒºµÈÁ¿»ìºÏºó¼ÓÈëÑùÒº£¬Ò¡ÔȺó¹Û²ì |
C
½âÎö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿