Answer: \(10^{-13}M\)
Explanation:-
pH is the measure of acidity or alkalinity of a solution.
Acids have pH ranging from 1 to 6.9 and bases have pH ranging from 7.1 to 14.
pH is calculated by taking negative logarithm of hydrogen ion concentration.
\(pH=-\log [H^+]\)
We are given:
Household bleach has a pH of 13
\(13=-log{H^+}\)
\([H^+]=antilog(-13)\)
\([H^+]=10^{-13}\)
Thus \(H_3O^+\) concentration in household bleach is \(10^{-13}M\).
