Does any solid PbCl2 form when 0.30 L of 0.86M NaCl is dissolved in 0.25 L of 0.12 M Pb(NO3)2? Ksp (PbCl2) = 1.6x10-5[Select]Choose the reason to confirm your answer from the following.[Select][Select]Q> KspQ< KspQ = KspPbCl2 (s) Pb2+(aq) + 2CI (aq)

Answered: Does any solid PbCl2 form when 0.30 L…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter14: Principles Of Neutralization Titrations

Section: Chapter Questions

Problem 14.6QAP

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Sketch the titration curve for a weak base titrated by a strong acid. Weak basestrong acid titration problems also follow a two-step procedure. What reaction takes place in the stoichiometry part of the problem? What is assumed about this reaction? At the various points in your titration curve, list the major species present after the strong acid (HNO3, for example) reacts to completion with the weak base, B. What equilibrium problem would you solve at the various points in your titration curve to calculate the pH? Why is pH 7.0 at the equivalence point of a weak basestrong acid titration? If pH = 6.0 at the halfway point to equivalence, what is the Kb value for the weak base titrated? Compare and contrast the titration curves for a strong basestrong acid titration and a weak basestrong acid titration.
10:49 1 4 7 +/- Question 6 of 10 In the titration of 69.0 mL of 0.400 M HCOOH with 0.150 M LIOH, how many mL of LiOH are required to reach the equivalence point? 2 5 8 mL 3 60 9 O Submit Tap here or pull up for additional resources XU x 100
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This is about determinition of acid content in vinegar through titration, please answer the questions. Please answer only the items nummber 4-5. i only put other questions for guide. 1. What is the purpose of standardization? 2. What is the primary standard used (name and formula)? ANS: KHP 3. Suppose that the KHP is not completely dry. Will the reported molar concentration of the sodium hydroxide solution be higher, lower, or unaffected? Explain. 4. In preparing the buret for titration the final rinse is with the NaOH titrant rather than with distilled water. Explain. 5. The procedure suggests the addition of only 2 drops of phenolphthalein. What will be the effect to the analysis if larger amount of phenolphthalein is added?
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B N Determine the solubility of Hgl2 in g/L if the solubility product constant is 4.0 x 10-29. (Use to denote that the figures succeeding it is an exponent (ex. 10^-5) and just write the numerical figures only. Use 3 significant figures and do not put any space or comma in between figures). Blank 1 Blank 1 Add your answer
Based on the table below: 1). create a titration curve of pH vs. volume NaOH (graph in in Excel). Indicate on graph the location of each pKa (pka1, pKa2, pKaR) , first and second equivalence point and pI. Show all your calculations. 2). 1st derivative plot of ΔpH / Δvol NaOH an the y-axis and average vol NaOH on the x-axis (graph in Excel). Highlight (label) the equivalence points Table 1.2 - Titration of an unknown amino acid with NaOH Vol. NaOH (mL) pH Avg.Vol. NaOH (mL) pH / Vol NaOH 0.00 2.12 0.5 0.02 1.00 2.14 1.5 -0.02 2.00 2.12 2.5 0.13 3.00 2.25 3.5 0.07 4.00 2.32 4.5 0.06 5.00 2.38 5.5 0.06 6.00 2.44 6.5 0.07 7.00 2.51 7.5 0.1 8.00 2.61 8.5 0.11 9.00 2.72 9.5 0.08 10.00 2.80 10.5 0.29 11.00 3.09 11.5 0.44 12.00 3.53 12.5 1.17 13.00 4.70 13.5 0.51 14.00 5.21 14.5 0.29 15.00 5.50 15.5 0.18 16.00 5.68…
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Question 13 of 43 Submit A 15.0 mL solution of Sr(OH)2 is neutralized with 42.7 mL of 0.350 M HCI. What is the concentration of the original Sr(OH)2 solution? M 1 4 C 7 8 +/- x 10 0 Tap here or pull up for additional resources LO

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Does any solid PbCl2 form when 0.30 L of 0.86M NaCl is dissolved in 0.25 L of 0.12 M Pb(NO3)2? Ksp (PbCl2) = 1.6x10-5 [Select] Choose the reason to confirm your answer from the following. [Select] [Select] Q> Ksp Q< Ksp Q = Ksp PbCl2 (s) Pb2+(aq) + 2CI (aq)