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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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Draw the titration curves for the titrations of (a) a strong acid with a strong base, (b) a strong acid with a weak base, (c) a weak acid with a strong base and (d) a weak acid with a weak base. Make sure you label each of them properly (volume on x-axis and pH on the y-axis). Describe how you would determine the Ka for a weak acid from the titration curves.
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- how does buffer capacity change with added acid or base?arrow_forwardCalculate the pH for each of the cases in the titration of 35.0 mL of 0.140 M LiOH(aq) with 0.140 M HBr(aq). Note: Enter your answers with two decimal places. before addition of any HBr: after addition of 25.5 mL HBr: after addition of 42.5 mL HBr: after addition of 13.5 mL HBr: after addition of 35.0 mL HBr: after addition of 50.0 mL HBr:arrow_forwardUsing the pH of the solution, a student determined that their hydroxide concentration was 0.1972 M. Which of the following standardized HCl dilutions would be most appropriate for their titration? 1.006×10−1M HCl 1.206×10−5M HCl 1.401×10−3M HCl 1.312×10−4M HCl 1.197×10−2M HClarrow_forward
- A 10.0mL solution of 0.720 M NH3 is titrated with a 0.240 M HCl solution. Calculate the pH after the following additions of the HCl solution: 0.00mL, 10.0mL, 30.0mL, and 40.0mL. Be sure your answer has the correct number of significant digits. 0.00 mL added, pH = 10.0 mL added, pH = 30.0 mL added, pH = 40.0 mL added, pH =arrow_forwardNeed help calculating the bold underlined (pH at equivalence point using an ICE table) In a strong acid-strong base titration, a potassium hydroxide (KOH) solution of an unknown concentration reacts with 0.105 M sulfuric acid (H2SO4) solution. Write the balanced chemical equation for the reaction between KOH and H2SO4 Calculate the concentration (molarity) of the KOH solution, if 23.10 mL of H2SO4 acid solution reacts with 30.00 mL of KOH solution. What is the pH of the solution at the equivalence point?arrow_forwardMISSED THIS? Read Section 18.4 (Pages 803-817); Watch KCV 18.48 Consider the curve shown here for the titration of a weak monoprotic acid with a strong base. 14 12- 10- 8 6 4 2- 0 0 10 20 30 40 Volume of base added (mL) ▶ Part A ▸ Part B Part C At what volume of added base is the pH calculated by working an equilibrium problem based on the initial concentration and K₁ of the weak acid? Express your answer in milliliters as an integer. V= ΠΗΓΙΑΣΦ VAX by Submit Previous Answers Request Answer X Incorrect; Try Again ? mLarrow_forward
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