Match the term to to correct definition Analyte Equivalence Point Titration Molarity Indicator Titrant 1. 2. 3. 4. 5. 6. An analytical method to determine the concentration of a solution by reacting against a solution of known concentration The standard solution added to the sample in a titration The point of a titration where just enough titrant has been added to react with all of the analyte in the solution The number of moles of solute per liter of solution A reagent added to the analyte solution that changes color at the completion of the reaction The substance whose concentration is to be determined in a titration

Match the term to to correct definition Analyte Equivalence Point Titration Molarity Indicator Titrant 1. 2. 3. 4. 5. 6. An analytical method to determine the concentration of a solution by reacting against a solution of known concentration The standard solution added to the sample in a titration The point of a titration where just enough titrant has been added to react with all of the analyte in the solution The number of moles of solute per liter of solution A reagent added to the analyte solution that changes color at the completion of the reaction The substance whose concentration is to be determined in a titration

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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Q 19 please
A 1 liter solution contains 0.385 M hypochlorous acid and 0.513 M potassium hypochlorite. Addition of 0.423 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.) (Select all that apply.) Not change the pH Lower the pH slightly Raise the pH by several units Raise the pH slightly Lower the pH by several units Exceed the buffer capacity Submit Answer Retry Entire Group 7 more group attempts remaining
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A 1 liter solution contains 0.306 M hydrofluoric acid and 0.408 M potassium fluoride. Addition of 0.337 moles of calcium hydroxide will: (Assume that the volume does not change upon the addition of calcium hydroxide.) (Select all that apply.) ORaise the pH slightly Not change the pH O Lower the pH by several units Lower the pH slightly Raise the pH by several units Exceed the buffer capacity
16.14
Name a suitable indicator for titration of each of the following neutralizations. Give the colour change at the end-point.(a) HCl(aq) is added to NH3(aq) Indicator: _______________________ Colour change at the end point: from _________ to _________(b) CH3COOH(aq) is added to KOH(aq) Indicator: _______________________ Colour change at the end point: from _________ to _________
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4. 7 8. 9. 10 11 12 13 14 A solution is prepared at 25 °C that is initially 0.29M in chloroacetic acid (HCH,CICO,), a weak acid with K=1.3 x 10, and 0.18M in sodium chloroacetate (NaCH, CICO,). Calculate the pH of the solution. Round your answer to 2 decimal places. pH = Submit Assignment Continue MacBook Air FI F10 80 F3 esc O00 FA F5 FI
4. To prepare a buffer with a pH of 4.32, one must choose a weak acid with a pKa of a. 5.42 b. 2.42 c. 3.42
2.1 20.00 mL of 0.0750 M benzoic acid ( C6H5COOH) is titrated with 0.0250 M NaOH. Ka benzoic acid = 6.5 x 10-5 A. How many mmol of benzoate ion is present after the addition of 40.00 mL NaOH? B.How many mL of NaOH will produce the same concentration of the benzoic acid and benzoate? C What is the concentration of the benzoic acid after the addition of 50.00 mL of NaOH?
A 1 liter solution contains 0.262 M hydrofluoric acid and 0.349 M potassium fluoride. Addition of 0.288 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.) CHECK ALL THAT APPLY - Raise the pH slightly - Lower the pH slightly - Raise the pH by several units - Lower the pH by several units - Not change the pH - Exceed the buffer capacity
Answer 18.6.2 Calcium nitrate is added slowly to a solution that is 0.10 M in SO2 ions and 0.10 M in Fions. Calculate the concentration of Ca²+ ions (in mol/L) required to initiate the precipitation of CaF2 without precipitating CaSC