Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Chapter 15, Problem 10RQ
Interpretation Introduction
Interpretation: The figure showing the separation of chlorides by selective precipitation is given. The chemistry involved with each step in Figure
Concept introduction: The qualitative analysis is used for the detection of ions present in a given solution. The ions have a tendency to give a particular product with a given reagent. This forms the basis for the analysis of given ions.
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Calculate the percentage CH3COOH in a sample of vinegar from the following data.Sample = 15.00 g, NaOH used = 43.00 ml ; 0.600 N H2SO4 used for back titration =0.250 ml ; 1.00ml NaOH is equivalent to 0.0315 g H2C2O4. 2H2O.
Suppose a student performed a similar standardization titration experiment. Below is the calculated concentration of NaOH from each of their titrations.
Titration #1
Titration #2
Titration #3
Concentration of NaOH (M)
0.9554
0.9540
0.9551
Using the 3 concentrations, calculate the average concentration of the student's NaOH solution and calculate the ± error in parts per thousand (ppt). Show the complete calculation. Express your final answer in the form of average (with units) ± error in ppt. use the right significant figures
25.0 cm3 of sodium hydroxide solution are neutralised by 15.0 cm3 of hydrochloric acid of concentration 0.25 moldm-3. What is the concentration of the sodium hydroxide solution? Remember: 1 dm3 = 1000 cm3 = 1000 mL = 1 L
Chapter 15 Solutions
Chemistry: An Atoms First Approach
Ch. 15 - To what reaction does the solubility product...Ch. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQ
Ch. 15 - Prob. 1ALQCh. 15 - Prob. 2ALQCh. 15 - Prob. 3ALQCh. 15 - A friend tells you: The constant Ksp of a salt is...Ch. 15 - Prob. 5ALQCh. 15 - Prob. 6ALQCh. 15 - Prob. 7ALQCh. 15 - For which of the following is the Ksp value of the...Ch. 15 - Ag2S(s) has a larger molar solubility than CuS...Ch. 15 - Prob. 10QCh. 15 - Prob. 11QCh. 15 - When Na3PO4(aq) is added to a solution containing...Ch. 15 - The common ion effect for ionic solids (salts) is...Ch. 15 - Prob. 14QCh. 15 - Prob. 15QCh. 15 - The stepwise formation constants for a complex ion...Ch. 15 - Prob. 17QCh. 15 - Prob. 18QCh. 15 - Write balanced equations for the dissolution...Ch. 15 - Write balanced equations for the dissolution...Ch. 15 - Prob. 21ECh. 15 - Use the following data to calculate the Ksp value...Ch. 15 - Approximately 0.14 g nickel(II) hydroxide,...Ch. 15 - The solubility of the ionic compound M2X3, having...Ch. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Calculate the solubility of each of the following...Ch. 15 - Prob. 28ECh. 15 - Cream of tartar, a common ingredient in cooking,...Ch. 15 - Prob. 30ECh. 15 - Prob. 31ECh. 15 - Calculate the molar solubility of Cd(OH)2, Ksp =...Ch. 15 - Calculate the molar solubility of Al(OH)3, Ksp = 2...Ch. 15 - Calculate the molar solubility of Co(OH)3, Ksp =...Ch. 15 - Prob. 35ECh. 15 - For each of the following pairs of solids,...Ch. 15 - Calculate the solubility (in moles per liter) of...Ch. 15 - Calculate the solubility of Co(OH)2(s) (Ksp = 2.5 ...Ch. 15 - The Ksp for silver sulfate (Ag2SO4) is 1.2 105....Ch. 15 - Prob. 40ECh. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Prob. 43ECh. 15 - The solubility of Pb(IO3)(s) in a 0.10-M KIO3...Ch. 15 - Prob. 45ECh. 15 - For which salt in each of the following groups...Ch. 15 - What mass of ZnS (Ksp = 2.5 1022) will dissolve...Ch. 15 - The concentration of Mg2+ in seawater is 0.052 M....Ch. 15 - Will a precipitate form when 100.0 mL of 4.0 104...Ch. 15 - A solution contains 1.0 105 M Ag+ and 2.0 106 M...Ch. 15 - A solution is prepared by mixing 100.0 mL of 1.0 ...Ch. 15 - Prob. 52ECh. 15 - Calculate the final concentrations of K+(aq),...Ch. 15 - Prob. 54ECh. 15 - A 50.0-mL sample of 0.00200 M AgNO3 is added to...Ch. 15 - Prob. 56ECh. 15 - A solution contains 1.0 105 M Na3PO4. What is the...Ch. 15 - The Ksp of Al(OH)3 is 2 1032. At what pH will a...Ch. 15 - A solution is 1 104 M in NaF, Na2S, and Na3PO4....Ch. 15 - A solution contains 0.25 M Ni(NO3)2 and 0.25 M...Ch. 15 - Write equations for the stepwise formation of each...Ch. 15 - Write equations for the stepwise formation of each...Ch. 15 - In the presence of CN, Fe3+ forms the complex ion...Ch. 15 - In the presence of NH3, Cu2+ forms the complex ion...Ch. 15 - Prob. 65ECh. 15 - Prob. 66ECh. 15 - The overall formation constant for HgI42 is 1.0 ...Ch. 15 - Prob. 68ECh. 15 - A solution is formed by mixing 50.0 mL of 10.0 M...Ch. 15 - A solution is prepared by mixing 100.0 mL of 1.0 ...Ch. 15 - a. Calculate the molar solubility of AgI in pure...Ch. 15 - Solutions of sodium thiosulfate are used to...Ch. 15 - Kf for the complex ion Ag(NH3)2+ is 1.7 107. Ksp...Ch. 15 - Prob. 74ECh. 15 - Prob. 75ECh. 15 - The solubility of copper(II) hydroxide in water...Ch. 15 - A solution contains 0.018 mole each of I, Br, and...Ch. 15 - Prob. 78AECh. 15 - Tooth enamel is composed of the mineral...Ch. 15 - Prob. 80AECh. 15 - What mass of Ca(NO3)2 must be added to 1.0 L of a...Ch. 15 - Calculate the mass of manganese hydroxide present...Ch. 15 - Prob. 83AECh. 15 - The active ingredient of Pepto-Bismol is the...Ch. 15 - Prob. 85AECh. 15 - The equilibrium constant for the following...Ch. 15 - Calculate the concentration of Pb2+ in each of the...Ch. 15 - Will a precipitate of Cd(OH)2 form if 1.0 mL of...Ch. 15 - Prob. 89AECh. 15 - Describe how you could separate the ions in each...Ch. 15 - Prob. 91AECh. 15 - Prob. 92AECh. 15 - Prob. 93CWPCh. 15 - Prob. 94CWPCh. 15 - Prob. 95CWPCh. 15 - The solubility of Pb(IO3)2(s) in a 7.2 102-M KIO3...Ch. 15 - A 50.0-mL sample of 0.0413 M AgNO3(aq) is added to...Ch. 15 - Prob. 98CWPCh. 15 - Prob. 99CPCh. 15 - Consider a solution made by mixing 500.0 mL of 4.0...Ch. 15 - a. Calculate the molar solubility of AgBr in pure...Ch. 15 - Prob. 102CPCh. 15 - Prob. 103CPCh. 15 - Calcium oxalate (CaC2O4) is relatively insoluble...Ch. 15 - What is the maximum possible concentration of Ni2+...Ch. 15 - A mixture contains 1.0 103 M Cu2+ and 1.0 103 M...Ch. 15 - Sodium tripolyphosphate (Na5P3O10) is used in many...Ch. 15 - You add an excess of solid MX in 250g water. You...Ch. 15 - a. Calculate the molar solubility of SrF2 in...Ch. 15 - Prob. 110IPCh. 15 - Prob. 111IPCh. 15 - Prob. 112IPCh. 15 - Aluminum ions react with the hydroxide ion to form...
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- I need answer for question 1 2 3 and 4 based on the finished titration data sheetarrow_forwardIf 2 ml of 25 N H2SO4 is transferred to 50 ml volumetric flask and complete to mark with ditilled water, the concentration of acid will be .. M* O 2.5 O 1.5 2 O 0.5 0 1 Non of thesearrow_forwardA 1.00 liter solution contains 0.59 M ammonia and 0.45 M ammonium bromide.If 0.23 moles of perchloric acid are added to this system,indicate whether the following statements are true or false.(Assume that the volume does not change upon the addition of perchloric acid.) A. The number of moles of NH3 will increase. B. The number of moles of NH4+ will remain the same. C. The equilibrium concentration of H3O+ will decrease. D. The pH will remain the same. E. The ratio of [NH3] / [NH4+] will remain the same.arrow_forward
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- 11.An acid-base equilibrium system is created by dissolving 0.20mol CH3COOH in water and diluting the resulting solution to a volume of 1.0 L. What is the effect of adding 0.020 mol CH3COO (aq) to this solution? How will pH change (calculate pH before and after the addition. Ka of CH3COOH is 1.76 x10-5)? How will concentrations of CH3COOH and CH3COO at equilibrium change?arrow_forwardA student titrates 10.0 mL of 2.0 M formic acid, HCO,H (K.= 1.8 x 10-4), using 1.0 M sodium hydroxide, NaOH. 1. What volume of NaOH solution would be needed to reach the equivalence point? a. 10.0 mL b. 20.0 mL c. 30.0 mL d. 40.0 mLarrow_forwardbased on the data tables provided, what is % CH3COOH in vinegararrow_forward
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