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The molar mass of potassium hydrogen phthalate (KHC3H4O4, abbreviation KHP) is 204.22 grams per mole. To determine the molarity of an unknown NaOH solution, a student weighed out 1.32 g of solid KHP and dissolved the solid in 25.4 mL of DI water. The resulting solution was used in a titration with the unknown NaOH solution (3 drops of phenolphthalein was used as an indicator). The balance chemical equation is given below. If the student used 24.71 mL of the unknown NaOH solution in the titration, what is the molarity of the NaOH solution? Keep the correct number of significant figures. KHP (aq) + NaOH (aq) --> KNaP (aq) + H2O (1)

The molar mass of potassium hydrogen phthalate (KHC3H4O4, abbreviation KHP) is 204.22 grams per mole. To determine the molarity of an unknown NaOH solution, a student weighed out 1.32 g of solid KHP and dissolved the solid in 25.4 mL of DI water. The resulting solution was used in a titration with the unknown NaOH solution (3 drops of phenolphthalein was used as an indicator). The balance chemical equation is given below. If the student used 24.71 mL of the unknown NaOH solution in the titration, what is the molarity of the NaOH solution? Keep the correct number of significant figures. KHP (aq) + NaOH (aq) --> KNaP (aq) + H2O (1)

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 118IL
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The molar mass of potassium hydrogen phthalate (KHC8H4O4, abbreviation KHP) is 204.22 grams per mole. To determine the molarity of an unknown NaOH solution, a student weighed out 1.32 g of solid KHP and dissolved the solid in 25.4 mL of DI water. The resulting solution was used in a titration with the unknown NaOH solution (3 drops of phenolphthalein was used as an indicator). The balance chemical equation is given below. If the student used 24.71 mL of the unknown NaOH solution in the titration, what is the molarity of the NaOH solution? Keep the correct number of significant figures. KHP (aq) + NaOH (aq) --> KNAP (aq) + H2O (I1)
Transcribed Image Text:The molar mass of potassium hydrogen phthalate (KHC8H4O4, abbreviation KHP) is 204.22 grams per mole. To determine the molarity of an unknown NaOH solution, a student weighed out 1.32 g of solid KHP and dissolved the solid in 25.4 mL of DI water. The resulting solution was used in a titration with the unknown NaOH solution (3 drops of phenolphthalein was used as an indicator). The balance chemical equation is given below. If the student used 24.71 mL of the unknown NaOH solution in the titration, what is the molarity of the NaOH solution? Keep the correct number of significant figures. KHP (aq) + NaOH (aq) --> KNAP (aq) + H2O (I1)
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