Unit 3 unknowns Flashcards by Karla Mackay | Brainscape

Q

in gravimetric analysis, the precipitate should…

A

stable at temperatures 101-105 (to dry in an oven)
not too small of a particle size ( for easy filtration)
low solubility (so all of the product is precipitated)

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Q

the accuracy of a precipitation reaction in gravimetric analysis relies on..

A

high purity
reaction going to completion (not equilibria)
having no side reactions
the balance used

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Q

reasons for a low product yield?

A

side reactions
incomplete reaction (equilibrium)
practical losses

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