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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Please solve using exact numbers and do not round prematurely, and use proper sig figs and units. Thanks!
Transcribed Image Text:The List of Problems
Problem 1
The density of 33.0% (by mass) of an aqueous solution of sodium
hydroxide, NaOH(aq), is 1.3574 . What are: (a) the molar concentration, (b) the molal
concentration, and (c) the mole fraction of NaOH in that aqueous solution, if molar masses of
NaOH and water are: µNaOH = 39.997 and
= 18.015 ? Enter your answers in the boxes
%3D
mol
moL
provided with correct units and sig. figs.:
Answers:
(a) Molarity of NaOH
(b) Molality of NaOH
(c) Mole Fraction of NaOH
CN2OH =
XNaOH =
%3D
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