Chemistry, 18.01.2021 21:50 estebanmff
A pure salt contains an unknown metal cation (M) and the sulfate anion, where M belongs to either group IA or IIA. 1.42 g of this salt was dissolved in water and treated with an excess of aqueous calcium chloride resulting in the formation of a precipitate. The precipitate was collected, dried and found to weigh 1.36 g. Determine the atomic mass of M and identify M.
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