If pH is 5, what is H+ and OH-?

Question

If pOH is 3, what is H+ and OH-?

Answer 1

pH is the negative log of the H+ concentration
... pOH is the negative log of the OH- concentration

pH + pOH = 14

for pH 5 ... [H+] = 10^-5 ... [OH-] = 10^-9

Answer 2

you can use online calculators for this stuff