Given a mixture of 0.100 M HBr, 0.100 M HBrO (Ka = 2.8 x 10⁻⁹), and 0.100 M H3BO3 (Ka1 = 5.4 x 10⁻¹⁰), which acid(s) must be considered in calculating the pH?
SELECT ALL THAT APPLY
A) HBr
B) HBrO
C) H3BO3
D) H2O