Concept explainers
Use the acid dissociation constants in Table 9.3 to determine whether the reactants or products are favored in the following reaction.
More Practice: Try problems 9.57, 9.58.
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General, Organic, and Biological Chemistry - 4th edition
- (pOH of solution A): 7.12 7.11 9.11 6.21 ([H+] of A): 1.3 x 10-7 M 1.3 x 10-11 M 8.4 x 10-14 M 7.8 x 10-4 M 3. 7.6 x 10-8 M 8.4 x 10-14 M 7.8 x 10-4 M 1.3 x 10-11 M 4. 6.88 0.92 10.89 0.99 5. 7.12 1.22 3.11 13.08 6. 1.3 x 10-7 M 0.12 M 1.3 x 10-11 M Solution A is ___ Acidic Basic Neutral Solution B is ____ Acidic Basic Neutral Solution C is ____ Acidic Basic Neutralarrow_forwardWhat is the pH of a 3.40 M solution of HNO₂ (Ka = 4.5 x 10-4)? Your Answer: Answerarrow_forwardWhat is [H30+] if I have a 0.1 M NaOH? This is the correct answer but i don't know how it was derived. Answer: 1.0E-13arrow_forward
- 1 Which of the following statements about acid strength is true? Multiple Choice The stronger the acid, the further the equilibrium lies to the left. The stronger the acid, the smaller the Ka. The stronger the acid, the larger the pka. The stronger the acid, the smaller the pka.arrow_forwardWhat is the pOH of a solution of 0.125 M CH3NH2 and 0.130 M CH3NH3Cl? How would you find a Ka value? Calculate [OH-], [H+], and pH for practicearrow_forward-7 The acid dissociation constant K of alloxanic acid (HC4H₂N₂O) is 2.24 × 10¯7. Calculate the pH of a 3.6M solution of alloxanic acid. Round your answer to 1 decimal place. 78°F pH = 0 Explanation Check X Ś O Searcharrow_forward
- 6 9 What is the pH of a solution with a hydrogen ion concentration of 3.65 X 10-6 M? Your Answer: Answerarrow_forward3atempis left Check my work Be sure to answer all parts. Be sure to reportiyour answer to the correct number of significant figures. Determine Kb of the weak base B whose conjugate acid HB has K, 8.3 x 10. x 10 Determine the K, of the wveak acid HA whose conjugate base has K, 1.9 × 10°. x 10arrow_forwardPre-lab question #3-4: Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2 (aq) + H2O () → H30* (aq) + NO2 (aq) If acid solution is made more dilute, in which direction will the equilibrium shift? A (no effect/right/left)arrow_forward
- The ionization of benzoic acid is represented by this equation. If a 0.045M solution of benzoic acid has an [H3O+] = 1.7*10-3 at equilibrium, what is the Ka of benzoic acid? A) 1.5E4 B) 6.7E-5 C) 7.7E-5 D) 8.4E-1 E) 3.8E-2arrow_forward34 Select the single best answer. Predict the direction that predominates in this reaction: NO₂ (aq) + H₂O(1) ⇒ HNO₂(aq) + OH¯ (aq) The formation of NO₂ (aq) and H₂O (1) is favored. The formation of HNO₂ (aq) and OH(aq) is favored. Cannot be determined. Xarrow_forwardWrite the net ionic equation for the acid-base hydrolysis equilibrium that is established when potassium cyanide is dissolved in water. Ac + H20(t) This solution is 16. Submit Answer Retry Entire Group 9 more group attempts remaining red Pred 3rec Visited 2red 2red 2red 2red 5 at (Previous Next Save and Exit nment Cengage Learning | Cengage Technical Support O Focus MacBook Air DII DD 80 888 F8 F9 F6 F7 F3 F4 F5 F1 F2 ! @ 2$ & 4 7 1 Q W E R T Y U. K * 00arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning