Answered: A 5.50 mL sample of an H3PO4H3PO4…

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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Question

A 5.50 mL sample of an H3PO4H3PO4 solution of unknown concentration is titrated with a 1.050×10⁻² MNaOH solution. A volume of 7.32 mL of the NaOH solution was required to reach the equivalence point.

What is the concentration of the unknown H3PO4H3PO4 solution?

Express your answer with the appropriate units. value/units

Expert Solution

Step 1

Given

Volume of H₃PO₄= 5.50 mL

Volume of NaOH required= 7.32 mL

Molarity of NaOH = 1.050×10^-2 M

Molarity of H₃PO₄= ?

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