A:HA是弱酸
B:图中未表示出的微粒的浓度小于0.lmol/L
C:该混合溶液中:c(HA)+c (X)=c(Na+)
D:图中M表示HA,Y表示OH-,Z表示H+
阅读理解
This is the map of Cindy's neighborhood.Her home is on Station Road near the train station.Every day she rides her bike to school.Now Cindy is in the position(位置) of the star.
根据材料内容判断正误。
在有理数(-1)2、−(−32)、-|-2|、(-2)3中负数有( )个.