A 4.399 g sample containing Mg2+ is dissolved and treated with excess (NH4)2HPO4, resulting in the formation of the precipitate MgNH4PO4⋅H2O. The precipitate is filtered, washed, dried, and then ignited to convert the precipitate to Mg2P2O7. The mass of Mg2P2O7 collected was 1.42 g. Calculate the weight percent of Mg2+ in the original sample

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.