What is the freezing point of a 50% by volume ethanol solution?
Assume water is the...
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Chemistry
What is the freezing point of a 50% by volume ethanol solution?Assume water is the solvent. (Use data from Table 12.7 in thetextbook.)
Solvent
Normal Freezing Point (°C)
Kf (°C m−1)
Normal Boiling Point (°C)
Kb (°C m−1)
Benzene (C6H6)
  5.5
5.12
80.1
2.53
Carbon tetrachloride (CCl4)
−22.9
29.9
76.7
5.03
Chloroform (CHCl3)
−63.5
4.70
61.2
3.63
Ethanol (C2H5OH)
−114.1
1.99
78.3
1.22
Diethyl ether (C4H10O)
−116.3
1.79
34.6
2.02
Water (H2O)
   0.00
1.86
100.0
0.512
For water:
Kb = 0.512 °C m−1
Answer & Explanation
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4.3 Ratings (936 Votes)
Given 50 by volume ethanol solutionIt means 50 mL ethanol in 100 mL solutionThus the volume of solventwater 100 mL solution 50 mLethanol 50 mL of waterWe knowThe density of ethanol
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