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In a titration experiment, it was determined that 63.45 mL of hydrobromic acid was needed to...

In a titration experiment, it was determined that 63.45 mL of hydrobromic acid was needed to reach the equivalence point of a 56.0 mL sample of 0.154 M ruthenium hydroxide solution. What is the concentration of the hydrobromic acid solution? (Show all work)

___ Ru(OH)3(aq) + ___ HBr (aq)   → ___ H2O (l) + ___ RuBr3 (aq)

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