Oxalic acid dihydrate (H2C204 2H2O) can be used to standardize NaOH solution through acid-base titration. To determine the molarity of an unknown NaOH solution, a student weighed out 0.56 g of solid oxalic acid dihydrate and dissolved the solid in 32.8 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 12.84 mL of the unknown NaOH solution in the titration, what is the molarity of the NaOH solution? Keep the correct number of significant figures. H2C204 (aq) + 2NAOH (aq) --> Na2C204 (aq) + 2H2O (I)
Oxalic acid dihydrate (H2C204 2H2O) can be used to standardize NaOH solution through acid-base titration. To determine the molarity of an unknown NaOH solution, a student weighed out 0.56 g of solid oxalic acid dihydrate and dissolved the solid in 32.8 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 12.84 mL of the unknown NaOH solution in the titration, what is the molarity of the NaOH solution? Keep the correct number of significant figures. H2C204 (aq) + 2NAOH (aq) --> Na2C204 (aq) + 2H2O (I)
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Oxalic acid dihydrate (H2C204 2H2O) can be used to standardize
NaOH solution through acid-base titration. To determine the
molarity of an unknown NaOH solution, a student weighed out 0.56
g of solid oxalic acid dihydrate and dissolved the solid in 32.8 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 12.84 mL of the unknown NaOH solution in the
titration, what is the molarity of the NaOH solution? Keep the
correct number of significant figures.
H2C204 (aq) + 2NAOH (aq) --> Na2C2O4 (aq) + 2H2O (I)
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