Saturday
September 20, 2014

Homework Help: chemistry

Posted by Rachel on Monday, March 14, 2011 at 3:27pm.

a flask with a volume of 267.5 mL contains a few milliliters of a volatile hydrocarbon. after vaporizing the gas at 100 degrees C, the flask is weighed and found to contain 0.728 grams of hydrocarbon vapor at 755 mmHg. a seperate combustion analysis experiment revealed that the empirical formula osf the hydrocarbon was CH2. What is the molecular formula?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemisty! - a flask with a volume of 267.5 mL contains a few milliliters of a ...
Chemistry - An empty flask weighs 128.632g. After vaporization of a sample of ...
Chemistry - An empty flask weighs 128.632g. After vaporization of a sample of ...
AP Chemistry--gas law questions - Hey, My AP Chem class did a lab for determing ...
Chemistry - Two Flasks containing the same inert gas are at the same temperature...
Chemistry - Consider three 1.0 L flasks at 25 C and 96.66 kPa containing the ...
Chemistry - Consider three 1.0 L flasks at 25 C and 96.66 kPa containing the ...
chemistry - A 150.0 mL flask contains 0.391 grams of a volatile oxide of sulfur...
AP Chemistry - The molar mass of a volatile liquid (one which vaporizes easily) ...
chemistry - The molar mass of a volatile liquid(one which vaporizes easily) can ...

Search
Members