Question

caculate the hydroxide and hydronium ions concentration?
6.9x 10 to the -3 power M HNO3?

Answer 1

@UselessMass ?? NEED HELP

Answer 2

@aaronq NEED HELP??

Answer 3

HNO3 is one of the strong acids

-log(6.9x10^-3) = 2.16 pH

pOH = 14 - pH = 14 - 2.16 = 11.83 pOH

To find the concentration of hydroxide the equation is 10^(-pOH)
so [OH-] = 10^(-11.83) = 1.45 x 10^-12 M

and concentration of hydronium was already given [H+] = [H3O+] = 6.9 x 10^-3 M