What Mass of Ethanol,C₂H₅OH,should Be Added to 200

question 85

Multiple Choice

What mass of ethanol,C₂H₅OH,should be added to 200.0 g of water in order to increase its boiling point to 102.5°C? The K_b for water is 0.512°C/m.Consider if the solute is an electrolyte or a nonelectrolyte.

• A)4.9 g
• B)0.98 g
• C)45 g
• D)90.g

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