laire needs to determine the identity of a hydroxide precipitate in an unknown analysis. An HCl titrant required 98 mL to reach the methyl orange endpoint with 0.5401 g of NaCO3 (99.95 %) dissolved in 50 mL freshly boiled distilled water. She then mixed the precipitate in 25 mL of water then filtered out any remaining solids. Titration of the solution required 51.8 mL of standard HCl titrant to reach the phenolphthalein endpoint. What is the concentration of the HCl titrant (M)? What is the concentration of [OH-] (M)?
laire needs to determine the identity of a hydroxide precipitate in an unknown analysis. An HCl titrant required 98 mL to reach the methyl orange endpoint with 0.5401 g of NaCO3 (99.95 %) dissolved in 50 mL freshly boiled distilled water. She then mixed the precipitate in 25 mL of water then filtered out any remaining solids. Titration of the solution required 51.8 mL of standard HCl titrant to reach the phenolphthalein endpoint. What is the concentration of the HCl titrant (M)? What is the concentration of [OH-] (M)?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Claire needs to determine the identity of a hydroxide precipitate in an unknown analysis. An HCl titrant required 98 mL to reach the methyl orange endpoint with 0.5401 g of NaCO3 (99.95 %) dissolved in 50 mL freshly boiled distilled water. She then mixed the precipitate in 25 mL of water then filtered out any remaining solids. Titration of the solution required 51.8 mL of standard HCl titrant to reach the phenolphthalein endpoint.
What is the concentration of the HCl titrant (M)?
What is the concentration of [OH-] (M)?
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