用A物质滴定B物质,其突跃范围为为7.7~9.7,则A为强酸还是强碱 B为强酸还是强碱?

2025-04-06 19:15:55
推荐回答(1个)
回答1:

7.7~9.7,等于是多加一滴滴定液,ph突越2,说明A为强碱,B为弱酸,