MISSED THIS? Read Section 17.9 (Pages 765-769). Consider a 0.14 M solution of a weak polyprotic acid (H₂A) with the possible values of K₁1 and K₂2 given here. Calculate the contributions to [H3O+] from each ionization step. At what point can the contribution of the second step be neglected? ▼ Part A Kal=1.0 x 104 and K₁2 = 5.0 × 10-5 Express your answers in molarity to two significant figures separated by a comma. 1951 ΑΣΦ [H3O+]₁. [H3O+]2= 3.74103,4.32 10 4 Review | Constants I Periodic Table Submit Previous Answers Request Answer ? M X Incorrect; Try Again; 5 attempts remaining You have correctly determined the contribution to [H3O+] from the first ionization step. To determine the contribution to H3O+] from the second ionization step, prepare an ICE table (where I represents initial, C represents change, and E represents equilibrium), showing the change in the H3O+ concentration with the variable y and defining the equilibrium concentrations in terms of the concentrations produced in the first step and the variable y. P Pearson
MISSED THIS? Read Section 17.9 (Pages 765-769). Consider a 0.14 M solution of a weak polyprotic acid (H₂A) with the possible values of K₁1 and K₂2 given here. Calculate the contributions to [H3O+] from each ionization step. At what point can the contribution of the second step be neglected? ▼ Part A Kal=1.0 x 104 and K₁2 = 5.0 × 10-5 Express your answers in molarity to two significant figures separated by a comma. 1951 ΑΣΦ [H3O+]₁. [H3O+]2= 3.74103,4.32 10 4 Review | Constants I Periodic Table Submit Previous Answers Request Answer ? M X Incorrect; Try Again; 5 attempts remaining You have correctly determined the contribution to [H3O+] from the first ionization step. To determine the contribution to H3O+] from the second ionization step, prepare an ICE table (where I represents initial, C represents change, and E represents equilibrium), showing the change in the H3O+ concentration with the variable y and defining the equilibrium concentrations in terms of the concentrations produced in the first step and the variable y. P Pearson
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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Consider a 0.14 M solution of a weak polyprotic acid (HA) with the possible values of Kai and
K, given here. Calculate the contributions to H, O*] from each ionization step. At what point can the contribution of the second step be neglected? Part A
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