Asked by Maria

What is the concentration of H+
in a solution of 0.2 M NaOH?

i got [H+] = 5x10^-14, is this correct? all i did was

[H+][OH-] = Kw

Answered by Jonathan
Yeah.(H+) (OH-)=1x10"-14.(H+)(0.2)=10"-14.H+=10'-14/2x10"-1=0.5x10"-14-(-1)=0.5x10"-13 or 5.0x10"-14.