Calculatefor the [H+] concentration:  3.7154

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 170CP
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A. The  proportionality  that exists between hydronium ion concentration and 

    1. Direct
    2. Indirect
    3. Neither
    4. Either

For numbers B to E: Consider a solution with a pH of 9.43

 

B. Calculatefor the [H+] concentration:  3.7154 x 10-10 M

C 2.6915 x108M

D. 2.6915x 10-5 M

E.  3.7153x 104 M

 

F. Calculate forthe [OH-] concentration: 

  1.  3.7154 x 10-10 M
  2. 2.6915x108 M
  3. 2.6915x 10-5 M
  4.  3.7153x 104 M

 

G. Isthe solution acidic or basic?

    1. Acidic
    2. Basic
    3. Neither
    4. Either

 

For numbers H to P, consider the given scenario: A 0.25 g sample of sodium bicarbonate (96.5% sodium bicarbonate) is titrated with 0.9165 N sulfuric acid.

 

H. Whichof the following substances is the analyte?

    1. Sodiumbicarbonate
    2. Sulfuricacid
    3. Either
    4. Neither

 

I. Whichof the following substances is the titrant?

    1. Sodiumbicarbonate
    2. Sulfuricacid
    3. Either
    4. Neither

 

J. Whatis the type of titration method employed in this case?

    1. Direct
    2. Indirect
    3. Residual
    4. None

 

K. Whatis the factor of the analyte?

    1. 1
    2. 2
    3. 3
    4. 4

 

L. Whatis the mEq of the analyte?

  1.   0.1060
  2. 0.08401
  3. 0.16011
  4. 0.8138

 

 

 

M. Whichsubstance has accurately measured volume in this case?

    1. Acid
    2. Base
    3. Neither
    4. Either

 

Whatis the actual amount of the analyte being determined from the assay?

  1.  0.28g
  2. 0.27g
  3. 51ml
  4. 23ml

 

O. Whatis the type of aqueous neutralization analysis employed in this case?

    1. Acidimetry
    2. Alkalimetry
    3. REDOX
    4. Precipitimetry

 

P. Whatvolume of the titrant should be required to produce an end point?

  1.  0.28g
  2. 0.27g
  3. 51ml
  4. 23ml
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