A student is asked to standardize a solution of potassium hydroxide. He weighs out 1.08 g potassium hydrogen phthalate (KHCgH404, treat this as a monoprotic acid). It requires 29.9 mL of potassium hydroxide to reach the endpoint. A. What is the molarity of the potassium hydroxide solution? This potassium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. B. If 23.4 mL of the potassium hydroxide solution is required to neutralize 17.4 mL of hydroiodic acid, what is the molarity of the hydroiodic acid solution? M M

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A student is asked to standardize a solution of potassium hydroxide. He weighs out 1.08 g potassium hydrogen phthalate (KHC₂H4O4, treat this as a
monoprotic acid).
It requires 29.9 mL of potassium hydroxide to reach the endpoint.
A. What is the molarity of the potassium hydroxide solution?
This potassium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid.
B. If 23.4 mL of the potassium hydroxide solution is required to neutralize 17.4 mL of hydroiodic acid, what is the molarity of the hydroiodic acid
solution?
M
M
Transcribed Image Text:A student is asked to standardize a solution of potassium hydroxide. He weighs out 1.08 g potassium hydrogen phthalate (KHC₂H4O4, treat this as a monoprotic acid). It requires 29.9 mL of potassium hydroxide to reach the endpoint. A. What is the molarity of the potassium hydroxide solution? This potassium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. B. If 23.4 mL of the potassium hydroxide solution is required to neutralize 17.4 mL of hydroiodic acid, what is the molarity of the hydroiodic acid solution? M M
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