Hypobromous acid, HBrO, is a weak acid. The following is the equilibrium constant for its reaction with water:
HBrO(aq) + H2O(l) ⇋ H3O+(aq) + BrO–(aq) Ka = 2.5 × 10–9
What is the hydronium ion concentration, [H3O+], in a 1.32 M HBrO solution?
a) 2.6 x 10-8 M
b) 7.2 x 10-6 M
c) 5.7 x 10-5 M
d) 1.3 x 10-4 M
e) 4.9 x 10-3 M
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