A=8
B=10
Hope this helps :D
10%of30=3
3x4=12
A. 40%of 30=12 senior class members.
B. 60% of the class were not senior class members
POH is the -log [ OH- ]. Using this equation, simply find the -log of the OH- concentration to find the pOH:
pOH = - log ( 0.000086 ) = 4.07
I think it’s b the water is 2.2 meters below the ground floor. Sorry if I’m wrong.
