Can you please help us with number 10 in the picture. we get 1.4 = log A/HA. so we figure this means because it is greater than one, the reaction shifts to the left and therefore A - > H. We are not sure.This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl (A) HF (Ka%3D(B) HCN (K, = 6.2 × 10-10) and%3D(C) HOCI (K, = 3.5 × 10-8) and NaOCl(D) HC;H;O2 (Ka = 1.8 × 10-5) and NaC,H,O210) A certain buffer solution has a pH of 4.6. The weak acid usedto make this solution, HA, has a pK, of 3.2. Which statementbest describes the relationship between the concentration ofhydrogen ion, [H+], and the concentration of A¯, [A¯]?(A) [H+]> [A ] because pH > pK,(B) [H+]> [A ] because pH< pK,(C) [H+]< [A ] because pH > pK,(D) [H+]<[A ] because pH < pK,agenaUnlenoted, all art on this page is © Cengage Learning 20

please see the written solution . For positive log value(1.4) , [A-] must be greater than [HA] or…

Answered: Can you please help us with number 10…

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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Can you please help us with number 10 in the picture.

we get 1.4 = log A/HA.

so we figure this means because it is greater than one, the reaction shifts to the left and therefore A - > H. We are not sure.This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

(A) HF (Ka
%3D
(B) HCN (K, = 6.2 × 10-10) and
%3D
(C) HOCI (K, = 3.5 × 10-8) and NaOCl
(D) HC;H;O2 (Ka = 1.8 × 10-5) and NaC,H,O2
10) A certain buffer solution has a pH of 4.6. The weak acid used
to make this solution, HA, has a pK, of 3.2. Which statement
best describes the relationship between the concentration of
hydrogen ion, [H+], and the concentration of A¯, [A¯]?
(A) [H+]> [A ] because pH > pK,
(B) [H+]> [A ] because pH< pK,
(C) [H+]< [A ] because pH > pK,
(D) [H+]<[A ] because pH < pK,
agen
a
Unle
noted, all art on this page is © Cengage Learning 20

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