Answer
Bromic acid.
Work Step by Step
The anion in this is $BrO_3$, which is bromate. Since bromate has all of its oxygens, it can simply be named Bromic acid (take the -ate suffix and replace it with -ic).
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.