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The Figure below shows a portion of the H₂O-NaCl phase diagram. At a salt composition of 10%, 1) What is the approximate temperature at which ice will start melting? 2) At -10 °C, approximately what are the weight proportions for the liquid and solid phases, respectively? 10 Liquid (brine) T 50 40 30

The Figure below shows a portion of the H₂O-NaCl phase diagram. At a salt composition of 10%, 1) What is the approximate temperature at which ice will start melting? 2) At -10 °C, approximately what are the weight proportions for the liquid and solid phases, respectively? 10 Liquid (brine) T 50 40 30

Chemistry
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
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Problem 2 The Figure below shows a portion of the H₂O-NaCl phase diagram. At a salt composition of 10%, 1) What is the approximate temperature at which ice will start melting? 2) At -10 °C, approximately what are the weight proportions for the liquid and solid phases, respectively? Temperature (°C) 10 <-10 1 -30 NaCl 0 H₂0 100 Ice + Liquid (brine) 10 90 Liquid (brine) Ice + Salt 1 20 80 Composition (wt%) (b) Salt Liquid (brine) 30 70 T T T 50 40 30 20 10 0 -10 -20 Temperature (°F)
Transcribed Image Text:Problem 2 The Figure below shows a portion of the H₂O-NaCl phase diagram. At a salt composition of 10%, 1) What is the approximate temperature at which ice will start melting? 2) At -10 °C, approximately what are the weight proportions for the liquid and solid phases, respectively? Temperature (°C) 10 <-10 1 -30 NaCl 0 H₂0 100 Ice + Liquid (brine) 10 90 Liquid (brine) Ice + Salt 1 20 80 Composition (wt%) (b) Salt Liquid (brine) 30 70 T T T 50 40 30 20 10 0 -10 -20 Temperature (°F)
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