© Oxfo CompoundAIS an organic acia coi alning C, H and O only. A student analyses compound A to find its molar mass as follows. The student dissolves 2.6432g of compound A in water and dilutes the solution to 250 cm³ in a volumetric flask. The student fills a burette with this solution. The student adds 25.0 cm³ of 0.224 mol dm-³ KOH to a conical flask. 31.25 cm' of compound A was required for reach the end point. The formula of compound A can be simplified as H,X. The equation in the titration is: H,X(aq) + 2KOH(aq) → K,X(aq) + 2H,0(1) Calculate the amount, in mol, of compound A used in he titration. a b Calculate the molar mass of compound A,
© Oxfo CompoundAIS an organic acia coi alning C, H and O only. A student analyses compound A to find its molar mass as follows. The student dissolves 2.6432g of compound A in water and dilutes the solution to 250 cm³ in a volumetric flask. The student fills a burette with this solution. The student adds 25.0 cm³ of 0.224 mol dm-³ KOH to a conical flask. 31.25 cm' of compound A was required for reach the end point. The formula of compound A can be simplified as H,X. The equation in the titration is: H,X(aq) + 2KOH(aq) → K,X(aq) + 2H,0(1) Calculate the amount, in mol, of compound A used in he titration. a b Calculate the molar mass of compound A,
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:© Oxford
Compound AIS an organic acia coi alinling C,
H and O only.
A student analyses compound A to find its
molar mass as follows.
The student dissolves 2.6432g of compound
A in water and dilutes the solution to 250 cm3
in a volumetric flask. The student fills a
burette with this solution.
The student adds 25.0 cm' of 0.224 mol dm-3
KOH to a conical flask.
31.25 cm' of compound A was required for
reach the end point.
The formula of compound A can be simplified
as H,X. The equation in the titration is:
H,X(aq) + 2KOH(aq)
K,X(aq) + 2H,O(1)
Calculate the amount, in mol, of compound
A used in he titration.
b Calculate the molar mass of
compound A.
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