Topic: From the Following List of Aqueous Solutions and Water Select the One with the Highest Boiling Point
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Which of the following aqueous solutions has the highest boiling ...
C. .5m CaC12 Read More »
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Which of the following aqueous solutions should have the highest ...
Here, we deal with colligative property - Boiling Point Elevation. This is the increase in the temperature when you mix a solute with your solvent (usually water). Since we usually dissolve solute in water, the boiling point of water, 100C,... Read More »
Source: http://answers.yahoo.com/question/index?qid=20120516224434AAW1h9i
Which of the following aqueous solutions would exhibit the highes...
The one with the most ions when it disassociates will have the highest boiling point. I think the answer is C because CaCl(2) would disassociate into 3 (1 Ca2+ and 2 Cl-) per molecule whereas all the others would disassociate into 2 ionic p... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100421005756AAvevME
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A i ( Vant'Hoff factor ) = 3 delta T = m x kb x i = 0.21 x 0.512 x 3 = 0.32 boiling point = 100 + 0.32 = 100.32 °C B i = 2 delta T = 0.30 x 0.512 x 2 = 0.31 boiling point = 100.31 °C C i = 4 delta T = 0.16 x 0.512 x 4 = 0.33 boiling point =...
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it is because when CaCl2 dissociates if yields three ions 1-Ca ion and 2-Cl ions. Now if you remember the equation you're supposed to use plug in the # of ions produced as 3 and you'll see why. hint: ΔTb = Kb · mB (where mB=3) and you do no...
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Sodium Chloride — Boiling Point: 1465 °C (1738 K)
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delta T = 3 x 0.20 x 0.512 = 0.307 °C delta T = 3 x 0.25 x 0.512 = 0.384 °C delta T = 2 x 0.30 x 0.512 = 0.307 °C delta T = 2 x 0.30 x 0.512 = 0.307 °C delta T = 0.40 x 0.512 = 0.205 0.384 > 0.307 > 0.205 0.25 M Na2SO4 has the highest boili...
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the answer is number 1. it has the fewest particles per mole
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