Solve pka please C2.Concentration of Na2CO3 solution: C0 ACalculated pKa of HCO3:1.65MeasuredPH:(show calculations)

Since Na2CO3(aq) or CO32-(aq) is a weak base, it undergoes hydrolysis to form HCO3-(aq) and OH-(aq).…

Answered: Concentration of Na2CO3 solution: I00 N…

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Concentration of Na2CO3 solution: I00 N Calculated pKa of HCO3: (show calculations) C2. Measured pH: .65

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

Solve pka please

C2.
Concentration of Na2CO3 solution: C0 A
Calculated pKa of HCO3:
1.65
Measured
PH:
(show calculations)

Expert Solution

Step 1

Since Na₂CO₃(aq) or CO₃^2-(aq) is a weak base, it undergoes hydrolysis to form HCO₃^-(aq) and OH^-(aq).

The balanced equation is:

CO₃^2-(aq) + H₂O(l) <-----> HCO₃^-(aq) + OH^-(aq) ; K

Initial molarity of Na₂CO₃(aq) = molarity of CO₃^2-(aq) = 0.100 M

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