Chem6

A solution contains naphthalene dissolved in hexane at a concentration of 10.40% naphthalene by mass. Calculate the vapor pressure of hexane above the solution, given that the vapor pressure of pure hexane at this temperature is 151 torr.

1. 👍 0
2. 👎 0
3. 👁 120
1. Convert 10.4% naphthalene in hexane to Xnaph and Xhexane.
Tben Phexane = Xhexane*Pohexane.

1. 👍 0
2. 👎 0
posted by DrBob222
2. how do i convert so? 10.4gNaphx1mol/128.18gNaphx86.2gHexane/1mol=6.99molHexane?

6.99mol*151torr=1056.08?

1. 👍 0
2. 👎 0
posted by Ryan

Similar Questions

1. chemistry

A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 11.39{\rm \\%} naphthalene by mass. Calculate the vapor pressure at 25 ∘C of hexane above the solution. The vapor pressure of pure hexane

asked by kales on February 8, 2015
2. chemistry

A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 11.07 % naphthalene by mass. Calculate the vapor pressure at 25 ∘C of hexane above the solution. The vapor pressure of pure hexane at 25

asked by elizabeth on September 24, 2016
3. CHEM

Calculate the vapor pressure at 25 C of hexane above the solution. The vapor pressure of pure hexane at 25 C is 151 torr. A solution contains naphthalene ({\rm{C}}_{10} {\rm{H}}_8) dissolved in hexane ({\rm{C}}_6 {\rm{H}}_{14}) at

asked by AMI on June 5, 2010
4. chemistry

A solution contains naphthalene(C10H8) dissolved in hexane (C6H14) at a concentration of 14.52 % naphthalene by mass.Calculate the vapor pressure at 25 degrees C of hexane above the solution. The vapor pressure of pure hexane at

asked by jay on August 5, 2010
5. Chemistry

A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 15.00% naphthalene by mass. Calculate the vapor pressure at 25 ∘C of hexane above the solution. The vapor pressure of pure hexane at 25

asked by Kaitlyn on September 20, 2014
6. CHEM- solution/freezing piont

a solution of sulfur (2.560g) in naphthalene (100g) freezes 0.68K lower the freezing point of pure naphthalene (353.10K). for naphthalene, Kf= 6.8K kg mol. calculatem the molecular formula of the sulfur dissolved in the

asked by lulu on October 14, 2010
7. Chemistry

Mothballs are composed of a chemical called naphthalene which has a formula of C10H8 a) what is the mass of a single naphthalene molecule in amu? b) what is the molar mass of naphthalene? c) what is the mass of a single

asked by Kiana on March 22, 2016
8. chemistry

Naphthalene, commonly known as moth balls, is composed of 93.7% carbon and 6.3% hydrogen. determine the empirical for naphthalene. molecular formula for Naphthalene. Determine the number of empirical formulas you would need to

asked by chris on November 28, 2012
9. science

what is naphthalene and what when it is droped in water at 70 centegrade what it is naphthalene: http://en.wikipedia.org/wiki/Naphthalene Your other question: I don't know.

asked by antonia on November 19, 2006
10. Chemistry

A sample of naphthalene (C10H8) that has a mass of 0.7200 g is burned in a bomb calorimeter. The mass of the calorimeter is 1.580 kg, and its specific heat is 2.55 J/(g°C). As a result of the reaction, the temperature of the

asked by Timmy on July 8, 2013

More Similar Questions