PH =7.6 ==> pOH = 14-7.6 = 6.4 10^(-6.4) = 3.98 E-7 moles/L = 3.98 * 10^-7 moles/dm3.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.