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39. Which unknown acid has a concentration of 0.15 M? (A) HCIO₂ (B) HF (C) HI 10. Which base is weakest? (A) C6H5NH2 (Kb = 3.9×10-10) (B) CsHsN (Kb = 1.7×10⁹) (C) CO3²- (Kb = 1.8×10 ) (D) C₂H5NH2 (Kb = 5.6×10) (A) 2.3x10-¹1 (C) 7.00 . What is the pK, of CH3NH3? The K, of CH3NH2 is 4.4×104. (D) H₂SO3 (B) 3.36 (D) 10.64

39. Which unknown acid has a concentration of 0.15 M? (A) HCIO₂ (B) HF (C) HI 10. Which base is weakest? (A) C6H5NH2 (Kb = 3.9×10-10) (B) CsHsN (Kb = 1.7×10⁹) (C) CO3²- (Kb = 1.8×10 ) (D) C₂H5NH2 (Kb = 5.6×10) (A) 2.3x10-¹1 (C) 7.00 . What is the pK, of CH3NH3? The K, of CH3NH2 is 4.4×104. (D) H₂SO3 (B) 3.36 (D) 10.64

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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Solve correctly please. All three parts need. (Gpt/Ai wrong answer not allowed)
39. Which unknown acid has a pH of 0.82 with a molar concentration of 0.15 M? (A) HCIO₂ (B) HF (C) HI 40. Which base is weakest? (A) C6H5NH2 (Kb = 3.9x10-10) (B) CsH5N (Kb = 1.7×10-⁹) (C) CO32- (Kb = 1.8×104) (D) C₂H5NH2 (Kb = 5.6×10) (D) H₂SO3 1. What is the pK, of CH3NH3+? The Kb of CH3NH₂ is 4.4×10 4. (A) 2.3×10-11 (C) 7.00 (B) 3.36 (D) 10.64
Transcribed Image Text:39. Which unknown acid has a pH of 0.82 with a molar concentration of 0.15 M? (A) HCIO₂ (B) HF (C) HI 40. Which base is weakest? (A) C6H5NH2 (Kb = 3.9x10-10) (B) CsH5N (Kb = 1.7×10-⁹) (C) CO32- (Kb = 1.8×104) (D) C₂H5NH2 (Kb = 5.6×10) (D) H₂SO3 1. What is the pK, of CH3NH3+? The Kb of CH3NH₂ is 4.4×10 4. (A) 2.3×10-11 (C) 7.00 (B) 3.36 (D) 10.64
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