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1.Given : ?? = [?3?+][??−] = 1.0 × 10−14 at 25C . pKw= 14 Which of the following is true ? a.At 25 C,  [?3?+] & [??−] would be large in a water solution. b.The pH of an aqueous solution can be determined if [OH-] is provided. c. At 25 C, the pH of water is =14 d.At 25 C, majority of H2O will be dissociated.

1.Given : ?? = [?3?+][??−] = 1.0 × 10−14 at 25C . pKw= 14 Which of the following is true ? a.At 25 C,  [?3?+] & [??−] would be large in a water solution. b.The pH of an aqueous solution can be determined if [OH-] is provided. c. At 25 C, the pH of water is =14 d.At 25 C, majority of H2O will be dissociated.

Chemistry
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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1.Given : ?? = [?3?+][??−] = 1.0 × 10−14 at 25C . pKw= 14 Which of the following is true ?

a.At 25 C,  [?3?+] & [??−] would be large in a water solution.

b.The pH of an aqueous solution can be determined if [OH-] is provided.
c. At 25 C, the pH of water is =14

d.At 25 C, majority of H2O will be dissociated.

2.Which of the following is true about the molecule/s and acid strength ?

a.HOCl is weaker than HOBr because Cl is more electronegative  than Br
b.H2SO4  is a strong acid because it has 2 Hydrogens

c.CH3CH2OH  is a weaker acid than CH3COOH because the negative charge is more dispersed in the conjugate base  of CH3COOH.
d.HCl   is a weaker than HI acid because Cl- ion is more stable than I- ion.

3. Which of the following is true regarding acids and bases?

a.All Bronsted-Lowry bases are also considered as Arrhenius bases
b.Bronsted-Lowry acids accept protons from Bronsted-Lowry bases
c.Lewis bases donate electron pairs to Lewis acids
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