Please help? 19) The pKo1 of carbonic acid (H,CO3) is 6.36. Calculate pH and the concentration of all species at equilibrium (H3O*, HCO3,and H2CO3) from an initial concentration of 0.175 M H2CO3.20) H2CO3 is a polyprotic acid.a) Define polyprotic acid. Explain why pKa1 (6.36) < pKo2 (10.32).b) Why is pko2 (10.32) of H2CO3 not taken into account when calculating the pH in problem 19?c) Draw a titration curve for 0.1 M NaOH added to 0.1 M H,CO3.

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The pKo1 of carbonic acid (H2CO3) is 6.36. Calculate pH and the concentration of all species at equilibrium (H3O*, HCO,", and H2CO3) from an initial concentration of 0.175 M H2CO3.

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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Please help?

19) The pKo1 of carbonic acid (H,CO3) is 6.36. Calculate pH and the concentration of all species at equilibrium (H3O*, HCO3,
and H2CO3) from an initial concentration of 0.175 M H2CO3.
20) H2CO3 is a polyprotic acid.
a) Define polyprotic acid. Explain why pKa1 (6.36) < pKo2 (10.32).
b) Why is pko2 (10.32) of H2CO3 not taken into account when calculating the pH in problem 19?
c) Draw a titration curve for 0.1 M NaOH added to 0.1 M H,CO3.

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