27. Calculate the molarity of NaOH (40 g/mol) solution if 12.25 mL was used to titrate 0.2615 gram of primary standard KHP (204.22 g/mol). A. 0.1045 M B. 0.2091 M C. 0.3136 M D. 0.4181 M

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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w
Ee dec
the voluee of
Xn
ded only i#>
Oiven as
Saint Louis University
School of Engineering and Architecture
BAGUIO CITY, 2600
27.
Calculate the molarity of NaOH (40 g/mol) solution if 12.25 mL was used to titrate 0.2615 gram of primary standard
KHP (204.22 g/mol).
A.0.1045 M
B. 0.2091 M
C. 0.3136 M
D. 0.4181 M
28. A solution of H2SO4 is 0.1372 N. How many milliliters of 0.1421 N KOH solution are required to neutralize 13.72
mL of the acid?
B.6.6234 mL
С. 13.2469 mL
D. 26.4938 mL
A. 3.3117 mL
29 How much 0.600 N base must be added to 750 mL of a 0.200 N base in order for the solution to be 0.300 N?
B. 250 mL
C. 350 mL
D. 450 mL
A. 150 mL
30.
Calculate the molarity of KMNO4 (158.04 g/mol) solution standardized against 1.356 grams NazC204 (134 g/mol)
requiring 25 mL of the solution in acidic medium?
B.O.1349 M
C. 0.1619 M
D. 0.2699 M
A. 0.0810 M
The following are credited 5 points each. NO SOLUTION, NO POINTS.
4.1
Transcribed Image Text:w Ee dec the voluee of Xn ded only i#> Oiven as Saint Louis University School of Engineering and Architecture BAGUIO CITY, 2600 27. Calculate the molarity of NaOH (40 g/mol) solution if 12.25 mL was used to titrate 0.2615 gram of primary standard KHP (204.22 g/mol). A.0.1045 M B. 0.2091 M C. 0.3136 M D. 0.4181 M 28. A solution of H2SO4 is 0.1372 N. How many milliliters of 0.1421 N KOH solution are required to neutralize 13.72 mL of the acid? B.6.6234 mL С. 13.2469 mL D. 26.4938 mL A. 3.3117 mL 29 How much 0.600 N base must be added to 750 mL of a 0.200 N base in order for the solution to be 0.300 N? B. 250 mL C. 350 mL D. 450 mL A. 150 mL 30. Calculate the molarity of KMNO4 (158.04 g/mol) solution standardized against 1.356 grams NazC204 (134 g/mol) requiring 25 mL of the solution in acidic medium? B.O.1349 M C. 0.1619 M D. 0.2699 M A. 0.0810 M The following are credited 5 points each. NO SOLUTION, NO POINTS. 4.1
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