Monday
April 21, 2014

Homework Help: CHEM

Posted by Steph on Tuesday, July 22, 2008 at 1:40am.

The mass of an evacuated 255-mL flask is 143.187g. The mass of the flask filled with 267 torr of an unknown gas at 25 degrees Celsius is 143.289g. Calculate the molar mass of the unknown gas.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Advance Chemistry - A series of measurements are made in order to determine the ...
CHEMISTRY - A glass vessel has a mass of 53.8718 g when evacuated (no air). When...
chemistry - Mass of Aspirin tablet: 0.357 g 10 mL of 1 M NaOH was added to the ...
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 ...
chemistry - in a lab experiment to obtain the molar mass of a voltaile liquid, ...
Chemistry - 1.) A convenient method of determining the volume of a container of ...
Chemistry - A vilatile liquid was allowed to evaporate in a 43.298 g flask that ...
Chemistry - Flask A contains 500 mL of water at 25 degrees Celsius and flask B ...
Physical Chemistry - What is the mass of air in a 250-mL Erlenmeyer flask (...

Search
Members