Problem: Ethanol (Kb = 0.374 °C/m) typically has a boiling point of 68 °C. What will be the new boiling point after adding 2.25 moles of CaCl2 (i=2.2) to 5556 mL of ethanol (density = 1.26 g/mL)? A. 65.34 B. 71.85 C. 68.26 D. 67.99

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Problem Details

Ethanol (Kb = 0.374 °C/m) typically has a boiling point of 68 °C. What will be the new boiling point after adding 2.25 moles of CaCl2 (i=2.2) to 5556 mL of ethanol (density = 1.26 g/mL)?

A. 65.34

B. 71.85

C. 68.26

D. 67.99

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Boiling Point Elevation concept. If you need more Boiling Point Elevation practice, you can also practice Boiling Point Elevation practice problems.

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Our tutors rated the difficulty ofEthanol (Kb = 0.374 °C/m) typically has a boiling point of 6...as high difficulty.

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Based on our data, we think this problem is relevant for Professor Rhandir's class at GCU.