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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Can you explain why did it have to be multipled to the boxed conversion factor.
Transcribed Image Text:Calculate the boiling-point elevation for 2-L of water containing a
teaspoon of table salt (about 20 g).
1 mol Nacl
58.5 g_NaCh
2 mol solute
20 g Nact x-
= 0.7 mols solute
1 mol Naeh
mol solute
0.7 mol
m =
kg solvent
2 kg
= 0.4 molal
AT, = K, x m= 0.512° C/m x 0.4m
= 0.2° C
%D
%3D
Transcribed Image Text:Does pasta cook at 100° C?
After you've read the problem, calculate the boiling-point elevation for
a 2-Liter of water containing a teaspoon of table salt (about 20 g).
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