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Why do you think people who live at high altitudes are advised to add salt to water when boiling food like pasta? What mole fraction of NaCl is needed to raise the boiling point of H2O by 3˚C?  Does the amount of salt added to water (typically about one teaspoon to four quarts of water) substantially change the boiling point? (Kb (H2O) = 0.51˚C/molal.)

Why do you think people who live at high altitudes are advised to add salt to water when boiling food like pasta? What mole fraction of NaCl is needed to raise the boiling point of H2O by 3˚C?  Does the amount of salt added to water (typically about one teaspoon to four quarts of water) substantially change the boiling point? (Kb (H2O) = 0.51˚C/molal.)

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section13.1: Units Of Concentration
Problem 13.1CYU: (a) If you dissolve 10.0 g (about one heaping teaspoonful) of sugar (sucrose, C12H22O11) in a cup of...
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Why do you think people who live at high altitudes are advised to add salt to water when boiling food like pasta? What mole fraction of NaCl is needed to raise the boiling point of H2O by 3˚C?  Does the amount of salt added to water (typically about one teaspoon to four quarts of water) substantially change the boiling point? (Kb (H2O) = 0.51˚C/molal.)

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