Saturday
August 23, 2014

Homework Help: Chemistry

Posted by natali on Friday, April 27, 2007 at 2:48pm.

a solution of 0.2113 g of water dissolv ed in 25g of a solvent freezes at 11.5 degrees celcius below the freezing point of the solvent. what is the Kf for the solvent?
A)0.735
B)1.36
c)5.39
D)24.5

Help!!!

delta T = Kf*molality
Calculate molality = #mols solute/kg solvent, plug into the first equation and calculate Kf.
Post your work if you need further assistance.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - A solution of 0.2113 g of water dissolved in 25.0 g of a solvent ...
chemistry - A solution of 0.2113 g of water dissolved in 25.0 g of a solvent ...
Chemistry - Two moles of a nonelectrolyte solute are dissolved in 1 kg of an ...
Chemistry - Assuming complete dissociation of the solute, how many grams of KNO3...
Chemistry - Which of the following results from the presence of a solute in a ...
Chemisty - A solution contains 20g of C^6H^12O^6 in 250g of water. What is the ...
Chemistry - When 0.855 g of this solid was dissolved in 7.50 g of napthalene, ...
AP Chemistry - 1. The heat of solution of salta may either be endothermic or ...
Chemistry - If the freezing point of a pure solvent is 6.00 degrees Celsius, ...
AP Chemistry - A 25.0g sample of glucose, C6H12O6, dissolves in 525mL of ...

Search
Members