CHEMISTRY,AP EDITION-W/ACCESS (HS)
9th Edition
ISBN: 9781285732930
Author: ZUMDAHL
Publisher: CENGAGE L
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Textbook Question
Chapter 4, Problem 107AE
Douglasite is a mineral with the formula 2KC1 FeCl2 2H2O. Calculate the mass percent of douglasite in a 455.0-mg sample if it took 37.20 mL of a 0.1000-M AgNO3 solution to precipitate all the Cl− as AgCl. Assume the douglasite is the only source of chloride ion.
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2CIO2 + 20H-1 CIO31 + CIO2 + H2O
Experiment
[CIO2], M
[OH-1], M
1
0.0500
0.100
23
2
0.100
0.100
3
0.100
0.0500
Initial Rate, M/s
0.0575
0.230
0.115
...
Given this date, calculate the overall order of this reaction.
2
3
.(be)_[Ɔ+(be)_OI ← (b²)_IƆO+ (be)_I
Experiment
[1-] M
0.005
[OCI-]
0.005
Initial Rate M/min
0.000275
0.0025
0.005
0.000138
0.0025
0.0025
0.000069
4
0.0025
0.0025
0.000140
Calculate the rate constant of this reaction using the table data.
1
2
3
4
I(aq) +OCl(aq) → IO¯¯(aq) + Cl¯(aq)
Experiment
[I-] M
0.005
[OCI-]
0.005
Initial Rate M/min
0.000275
0.0025
0.005
0.000138
0.0025
0.0025
Calculate the overall order of this reaction using the table data.
0.0025
0.000069
0.0025
0.000140
Chapter 4 Solutions
CHEMISTRY,AP EDITION-W/ACCESS (HS)
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A...Ch. 4 - A mixture contains only NaCl and Fe(NO3)3. A...Ch. 4 - A student added 50.0 mL of an NaOH solution to...Ch. 4 - Some of the substances commonly used in stomach...Ch. 4 - Acetylsalicylic acid is the active ingredient in...Ch. 4 - When hydrochloric acid reacts with magnesium...Ch. 4 - A 2.20-g sample of an unknown acid (empirical...Ch. 4 - Carminic acid, a naturally occurring red pigment...Ch. 4 - Chlorisondamine chloride (C14H20Cl6N2) is a drug...Ch. 4 - Saccharin (C7H5NO3S) is sometimes dispensed in...Ch. 4 - Douglasite is a mineral with the formula 2KC1...Ch. 4 - Many oxidationreduction reactions can be balanced...Ch. 4 - The blood alcohol (C2H5OH) level can be determined...Ch. 4 - Calculate the concentration of all ions present...Ch. 4 - A solution is prepared by dissolving 0.6706 g...Ch. 4 - For the following chemical reactions, determine...Ch. 4 - What volume of 0.100 M NaOH is required to...Ch. 4 - Prob. 114CWPCh. 4 - A 450.0-mL sample of a 0.257-M solution of silver...Ch. 4 - The zinc in a 1.343-g sample of a foot powder was...Ch. 4 - A 50.00-mL sample of aqueous Ca(OH)2 requires...Ch. 4 - When organic compounds containing sulfur are...Ch. 4 - Assign the oxidation state for the element Listed...Ch. 4 - A 10.00-g sample consisting of a mixture of sodium...Ch. 4 - The units of parts per million (ppm) and parts per...Ch. 4 - In the spectroscopic analysis of many substances,...Ch. 4 - In most of its ionic compounds, cobalt is either...Ch. 4 - Polychlorinated biphenyls (PCBs) have been used...Ch. 4 - Consider the reaction of 19.0 g of zinc with...Ch. 4 - A mixture contains only sodium chloride and...Ch. 4 - Prob. 127CPCh. 4 - Zinc and magnesium metal each react with...Ch. 4 - You made 100.0 mL of a lead(II) nitrate solution...Ch. 4 - Consider reacting copper(II) sulfate with iron....Ch. 4 - Consider an experiment in which two burets, Y and...Ch. 4 - Complete and balance each acid-base reaction. a....Ch. 4 - What volume of 0.0521 M Ba(OH)2 is required to...Ch. 4 - A 10.00-mL sample of sulfuric acid from an...Ch. 4 - A 0.500-L sample of H2SO4 solution was analyzed by...Ch. 4 - A 6.50-g sample of a diprotic acid requires 137.5...Ch. 4 - Citric acid, which can be obtained from lemon...Ch. 4 - Prob. 138CPCh. 4 - It took 25.06 0.05 mL of a sodium hydroxide...Ch. 4 - Prob. 140IPCh. 4 - In a 1-L beaker, 203 mL of 0.307 M ammonium...Ch. 4 - Prob. 142IPCh. 4 - The unknown acid H2X can be neutralized completely...Ch. 4 - Three students were asked to find the identity of...Ch. 4 - You have two 500.0-mL aqueous solutions. 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