Chemistry / Chem 0498 · Atom · ~20 seconds
Gravimetric Analysis
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Gravimetric analysis determines a sample's composition by causing a measurable change in mass, often by precipitating and weighing one component.
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Dissolved chloride in a sample can be precipitated completely as AgCl, filtered, dried, and weighed to calculate the original chloride content.
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The precipitating reaction must go essentially to completion, or the measured mass understates the amount of the analyte actually present.