Approximately 6 mL of conc. perchloric acid ( 72% ) was transferred to a bottle and diluted with about 1 liter of water. A sample containing 251.5 mg of primary standard Na2B4O7.10H2O (Fwt= 382g/mol) required 27.41 mL of the HClO4 solution to reach the methyl red end point. What is the molar concentration of the HClO4 solution? Na2B4O7.10H2O + HClO4 ------------> NaClO4 H2B4O7.10H2O

Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Answered: Approximately 6 mL of conc. perchloric…

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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Approximately 6 mL of conc. perchloric acid ( 72% ) was transferred to a bottle and diluted with about 1 liter of water. A sample containing 251.5 mg of primary standard Na₂B₄O₇.10H₂O (Fwt= 382g/mol) required 27.41 mL of the HClO₄ solution to reach the methyl red end point. What is the molar concentration of the HClO₄ solution?

Na₂B₄O₇.10H₂O + HClO₄ ------------> NaClO₄ H₂B₄O₇.10H₂O

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