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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![If the K, of a weak base is 2.4 x 10-6, what is the pH of a 0.27 M solution of this base?
pH =](https://content.bartleby.com/qna-images/question/f621f9f7-7978-440e-ab53-e05d4dd144f3/a24af80e-5010-4cde-8ee5-ac548714897e/sepns7_thumbnail.png)
Transcribed Image Text:If the K, of a weak base is 2.4 x 10-6, what is the pH of a 0.27 M solution of this base?
pH =
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- What is the concentration of a formic acid (HCHO,) solution with a pH = 3.15? The K, of formic acid is 1.8 x 104.arrow_forwardWhat are the equilibrium concentrations of NH3, NH4+, and OH in a 0.78 M solution of ammonia? Kb = = 1.8 × 10-5 [OH-] [NH₂+] = [NH3] = What is the pH of the solution? pH = M M Marrow_forwardCalculate the pH and the pOH of these solutions: (a) 0.0017 M NaOH pH = pOH = (b) 0.158 M HCl pH = pOH = (c) 0.0277 M HC6H5O (Ka = 1.3 x 10-10) pH = pOH =arrow_forward
- If the Kp of a weak base is 7.3 x 10-6, what is the pH of a 0.28 M solution of this base? pH =arrow_forwardStrong acids and strong bases ionize 100% in aqueous solution. HCl is a strong acid. In solution we write it as H"(aq) + Cl (aq). - HF is a weak acid. In solution we write it as HF(aq). - KOH is a strong base. In solution we write it as K*(aq) + OH (aq). - NH3 is a weak base. In solution we write it as NH3(aq). Exception: Since Ca(OH), is only slightly soluble we write it as Ca(OH)2(s). Below is a list of the 6 strong acids and 6 strong bases you should know. All other acids and bases are considered weak. Strong Bases LIOH, NaOH, КОН Strong Acids HCІ, HBr, HI HNO3 Ca(OH)2 (slightly soluble) HCIO4 Ba(OH)2 H2SO4 Sr(ОН)2arrow_forwardCalculate the pH of a weak acid that has a concentration of 0.225 M and Ka = 1.4 x 10^-6arrow_forward
- Strong acids and strong bases ionize 100% in aqueous solution.- HCl is a strong acid. In solution we write it as H+(aq) + Cl -(aq).- HF is a weak acid. In solution we write it as HF(aq).- KOH is a strong base. In solution we write it as K+(aq) + OH -(aq).- NH3 is a weak base. In solution we write it as NH3(aq).Exception: Since Ca(OH)2 is only slightly soluble we write it as Ca(OH)2(s).Below is a list of the 6 strong acids and 6 strong bases you should know. All other acids and bases are considered weak. Strong Acids Strong Bases HCl, HBr, HI LiOH, NaOH, KOH HNO3 Ca(OH)2 (slightly soluble) HClO4 Ba(OH)2 H2SO4 Sr(OH)2 Question 1)What is the hydronium ion concentration in an aqueous hydrobromic acid solution that has a pOH of 10.200?[H3O+] = Marrow_forwardFor the diprotic weak acid H2A, Kal = 2.5 × 10-6 and K2 = 6.5 x 10-9. What is the pH of a 0.0400 M solution of H, A? pH = What are the equilibrium concentrations of H, A and A?- in this solution? [H, A] = [A?-] =arrow_forwardFor the diprotic weak acid H₂A, Kal = 2.8 x 10-6 M and K₁2 = 8.9 x 109 M. What is the pH of a 0.0450 M solution of H₂A? pH = What are the equilibrium concentrations of H₂A and A²- in this solution? [H₂A] = [A²] = M Marrow_forward
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