A student is asked to standardize a solution of barium hydroxide. He weighs out 0.934 g potassium hydrogen phthalate (KHC3H4O4, treat this as a monoprotic acid). It requires 37.5 mL of barium hydroxide to reach the endpoint. A. What is the molarity of the barium hydroxide solution? M This barium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. B. If 22.7 mL of the barium hydroxide solution is required to neutralize 28.8 mL of hydroiodic acid, what is the molarity of the hydroiodic acid solution?

Question
A student is asked to standardize a solution of barium
hydroxide. He weighs out 0.934 g potassium hydrogen
phthalate (KHC3H4O4, treat this as a monoprotic acid).
It requires 37.5 mL of barium hydroxide to reach the
endpoint.
A. What is the molarity of the barium hydroxide
solution?
M
This barium hydroxide solution is then used to titrate an
unknown solution of hydroiodic acid.
B. If 22.7 mL of the barium hydroxide solution is
required to neutralize 28.8 mL of hydroiodic acid, what is
the molarity of the hydroiodic acid solution?
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Transcribed Image Text

A student is asked to standardize a solution of barium hydroxide. He weighs out 0.934 g potassium hydrogen phthalate (KHC3H4O4, treat this as a monoprotic acid). It requires 37.5 mL of barium hydroxide to reach the endpoint. A. What is the molarity of the barium hydroxide solution? M This barium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. B. If 22.7 mL of the barium hydroxide solution is required to neutralize 28.8 mL of hydroiodic acid, what is the molarity of the hydroiodic acid solution?

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