Sunday
December 21, 2014

Homework Help: Chemistry

Posted by Zachary on Wednesday, April 30, 2008 at 11:49am.

Calculate the molar mass of a compound that raises the boiling point of water to 100.15oC when 40.5 g of the compound is dissovled in 500 g of water.

and


A mass of 41 g of an unknown nonelectrolyte is dissolved in 429 g naphthalene. The nonelectrolyte lowers naphthalene's freezing point by 7.2 oC. What is the molecular mass of the unknown substance? (Kf = 6.8 oC/mola

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Some physical properties of water are shown below. freezing point 0....
Chemistry - A 16.0 g sample of a compound known to contain 3 ion species is ...
chemistry - Based on molecular mass and boiling point of the five compounds in ...
Chemistry - The mass of a sample of a liquid compound was found to be 0.534 g ...
chemistry - an aqueous solution containing 17.5g of an unknown molecular(...
chemistry - 200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the ...
chemistry - 200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the ...
chemistry - A 2.97 g sample of a molecular compound is dissolved in 103 g of ...
chemistry - A solution was made by dissolving 62.07 grams of a compound in 500.0...
Chemistry - Determine the mass of a nonvolatile, nonionizing compound that must ...

Search
Members