Density= mass/ volume
So density = 99/10= 9.9g/cm^3
Hope this helps!! xx
72.71 . simple google search, you shouldnt waste points
The choices are true about the characteristic of a strong base, except for it having a concentration of above 1.0 M. Therefore, the answer is letter A. The concentration of the base is not a very important as to how strong really the base is.