Solved: A sample of impure magnesium was analyzed by allowing it to react with excess
Chapter 3, Problem 3.110(choose chapter or problem)
A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution: Mg(s) _ 2HCl(aq) MgCl2(aq) _ H2(g) After 1.32 g of the impure metal was treated with 0.100 L of 0.750 M HCl, 0.0125 mol of HCl remained. Assuming the impurities do not react, what is the mass % of Mg in the sample?
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