The next 7 questions are related to the titration of 40.0 mL of a 0.0150 M Zn2+ solution with 0.0250 M EDTA in a solution buffered at pH 5. Assume that the temperature is 25 oC and that the formation constant for Zn2+ is 3.13 x 1016 at this temperature.
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The next 7 questions are related to the titration of 40.0 mL of a 0.0150 M Zn2+ solution with 0.0...
The next 9 questions are related to the titration of 20.00 mL of a 0.0700 M...
The next 9 questions are related to the titration of 20.00 mL of a 0.0700 M acetic acid solution with 0.0950 M KOH. What is the initial pH of the analyte solution? What volume of KOH is required to reach the equivalence point of the titration (in mL)? How many mmol of the salt are present at the equivalence point? (ANALYTICAL AMOUNT, NOT EQUILIBRIUM AMOUNT) What is the volume of the solution at the equivalence point (in mL)? What is...
An unknown solution was analyzed for Ni by an EDTA titration. A 50.00 mL sample of...
An unknown solution was analyzed for Ni by an EDTA titration. A 50.00 mL sample of the unknown was treated with 25.00 mL of 0.2404 M EDTA. The excess EDTA was then back titrated with 8.52 mL of 0.0694 M Zn2+ to reach the equivalence point. What was the concentration of Ni (in unit of M) in the 50.00 mL sample? Please keep your answer to three decimal places.
The next 9 questions are related to the titration of 25.00 mL of a 0.1000 M...
The next 9 questions are related to the titration of 25.00 mL of a 0.1000 M acetic acid solution with 0.1000 M KOH. 1.What is the initial pH of the analyte solution? 2.What volume of KOH is required to reach the equivalence point of the titration (in mL)? 3.How many mmol of the salt are present at the equivalence point? (ANALYTICAL AMOUNT, NOT EQUILIBRIUM AMOUNT) 4.What is the volume of the solution at the equivalence point (in mL)? 5.What is...
3. A 25.00 mL 0.0250 M calcium carbonate sample is titrated with 14.3 mM EDTA solution....
3. A 25.00 mL 0.0250 M calcium carbonate sample is titrated with 14.3 mM EDTA solution. Both sample and titrant are buffered at pH = 10.0 a. What is the titration reaction and what is the value of the conditional formation constant? b. What is the calcium ion concentration when 12.35 mL of titrant has been added? c. What is pCa2+ at the equivalence volume?
Consider the titration of 151 mL of a 0.210 M solution of caproic acid (Ka =...
Consider the titration of 151 mL of a 0.210 M solution of caproic acid (Ka = 1.3×10-5) with 1.40 M KOH. How much titrant must be added to reach the equivalence point? V = _______ mL How much titrant must be added to reach the half-way point? V = ______ mL What is the pH at the half-way point? pH =
Ex. 13.4 The analysis of 10.00 mL 0.0100 M Ca²+ solution in water at pH 10.00...
Ex. 13.4 The analysis of 10.00 mL 0.0100 M Ca²+ solution in water at pH 10.00 that was titrated using 0.0050 M EDTA. The conditional formation constant for this reaction under these conditions is 1.75X1010. What values of pCa would be expected (a) at the beginning of the titration; (b) 50% of the way through this titration; (c) at the equivalence point; (d) after an excess of 10.00 mL titrant has been added to this sample?
These questions are related to the titration of 40.00 mL of a 0.0850 M acetic acid...
These questions are related to the titration of 40.00 mL of a 0.0850 M acetic acid solution with 0.0700 M KOH. Assume that the temperature is 25 oC. The volume of KOH required to reach the equivalence point of the titration is 48.57 mL, the number of mmol of acetate present at the equivalence point is 3.40 mmol, the total volume of the solution at the equivalence point is 88.57 mL and the analytical concentration of acetate ions at the...
You prepare 20.0 mL of a 0.0440 M AgNO_3 solution in a beaker. You conduct a...
You prepare 20.0 mL of a 0.0440 M AgNO_3 solution in a beaker. You conduct a precipitation titration with a 0.0320 M Nal solution as the titrant. K_sp of Agl is 8.27 * 10^-17. Report all answers to the correct number of sig figs. What volume of Nal is required to reach the equivalence point? What is the number of moles of free Ag^+ in your beaker at the equivalence point?
What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka...
What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka = 1.8 x 10-5) after 50.0 mL of 0.100 M NaOH has been added? Calculate the concentration of dissolved Ba2+ ions when BaSO4 is added to water at 25°C. Кsp? = 1.10 x 10-10 A particular saturated solution of silver chromate (Ag2CrO4), has [Ag+] = 5.0 x 10 Mand (CrO4) = 4.4 x 10M. What is value Ksp for silver chromate? As a result...
The following 8 questions are related to the titration of 153.0 mL of 0.276 M A...
The following 8 questions are related to the titration of 153.0 mL of 0.276 M A with 0.698M HCI at 25°C. (K, of A = 2.18E-4, A is a monoprotic base) 1. What would you estimate the initial pH of A to be prior to the addition of any acid? Choose one. A) pH = 7 B) pH is less than 7 C) pH is greater than 7 2. What is the pH after the addition of 15.3 mL of...
Ex. 13.4 The analysis of 10.00 mL 0.0100 M Ca²+ solution in water at pH 10.00 that was titrated using 0.0050 M EDTA. The conditional formation constant for this reaction under these conditions is 1.75X1010. What values of pCa would be expected (a) at the beginning of the titration; (b) 50% of the way through this titration; (c) at the equivalence point; (d) after an excess of 10.00 mL titrant has been added to this sample?
You prepare 20.0 mL of a 0.0440 M AgNO_3 solution in a beaker. You conduct a precipitation titration with a 0.0320 M Nal solution as the titrant. K_sp of Agl is 8.27 * 10^-17. Report all answers to the correct number of sig figs. What volume of Nal is required to reach the equivalence point? What is the number of moles of free Ag^+ in your beaker at the equivalence point?
What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka = 1.8 x 10-5) after 50.0 mL of 0.100 M NaOH has been added? Calculate the concentration of dissolved Ba2+ ions when BaSO4 is added to water at 25°C. Кsp? = 1.10 x 10-10 A particular saturated solution of silver chromate (Ag2CrO4), has [Ag+] = 5.0 x 10 Mand (CrO4) = 4.4 x 10M. What is value Ksp for silver chromate? As a result...
The following 8 questions are related to the titration of 153.0 mL of 0.276 M A with 0.698M HCI at 25°C. (K, of A = 2.18E-4, A is a monoprotic base) 1. What would you estimate the initial pH of A to be prior to the addition of any acid? Choose one. A) pH = 7 B) pH is less than 7 C) pH is greater than 7 2. What is the pH after the addition of 15.3 mL of...
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