Gravimetric analysis
from class: Intro to Chemistry Definition Gravimetric analysis is a quantitative method in chemistry where the amount of an analyte is determined by measuring the mass of a solid. This technique typically involves precipitation, filtration, and weighing.
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Predict what's on your test 5 Must Know Facts For Your Next Test The process usually starts with converting the analyte into an insoluble form through a precipitation reaction. Filtration is used to separate the precipitate from the solution. After filtration, the precipitate is dried to a constant weight before being weighed. Accuracy in gravimetric analysis depends on complete precipitation and thorough washing of the precipitate to remove impurities. The final mass measurement allows for calculating the amount of analyte present using stoichiometric relationships. Review Questions What are the main steps involved in gravimetric analysis? How does one ensure accuracy in gravimetric analysis? Why is it important to dry the precipitate to a constant weight? "Gravimetric analysis" also found in:
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