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March 2, 2015

Homework Help: ap chem

Posted by josh sears on Monday, October 11, 2010 at 6:20pm.

A 1.42 g. sample of a pure compound, with formula M2SO4, was dissolved in water and treated with and excess of aqueous barium chloride, resulting in the precipitation of all the sulfate ions as barium sulfate. The precipitate was collected, dried, and found to weigh 2.33-g. Determine the atomic mass of M, and identify M.

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