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September 4, 2015

Homework Help: Chemistry

Posted by Robert on Monday, February 18, 2013 at 11:09pm.

A sample of metallic element X, weighing 4.315g, combines with0.4810 L of Cl2 gas (at normal pressure and 20.0C) to form the metal chloride with the formula XCl. If the density of Cl2 gas under these conditions is 2.948g/L, what is the mass of chlorine? The amu of chlorine is 35.453. What is the atomic mass of X?

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