The pH of a solution of hypobromous acid is measured to be . Calculate the acid dissociation constant of hypobromous acid. Round your answer to significant digits.
a) 3.00 x 10⁻⁹
b) 5.56 x 10⁻⁹
c) 1.00 x 10⁻⁷
d) 2.24 x 10⁻⁷