Answered: 78.48 mL of a solution of the acid HNO3…

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

78.48 mL of a solution of the acid HNO₃ is titrated, and 66.50 mL of 0.7900-M NaOH is required to reach the equivalence point. Calculate the original concentration of the acid solution.

Expert Solution

Step 1

Given : Concentration of NaOH = 0.7900 M

Volume of NaOH required = 66.50 mL

And volume of HNO₃ neutralised = 78.48 mL

The reaction taking place can be written as,

=> NaOH + HNO₃ --------> NaNO₃ + H₂O

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