A 1.42-g sample of a pure compound, with formula M2S04, was dissolved in water and treated with an excess of aqueous calcium chloride, resulting in the precipitation of all the sulfate ions as calcium sulfate. The precipitate was collected, dried, and found to weigh 1.36 g. Determine the atomic mass of M, and identity M.

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Chapter1: Chemical Foundations
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A 1.42-g sample of a pure compound, with
formula M2S04, was dissolved in water and
treated with an excess of aqueous calcium
chloride, resulting in the precipitation of all
the sulfate ions as calcium sulfate. The
precipitate was collected, dried, and found to
weigh 1.36 g. Determine the atomic mass of
M, and identity M.
Transcribed Image Text:A 1.42-g sample of a pure compound, with formula M2S04, was dissolved in water and treated with an excess of aqueous calcium chloride, resulting in the precipitation of all the sulfate ions as calcium sulfate. The precipitate was collected, dried, and found to weigh 1.36 g. Determine the atomic mass of M, and identity M.
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