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Precipitates question

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holtadit:
A 3cm3 sample of a solution of the nitrate of metal Q , concentration 1 mol/dm3, was added to 2cm3 of potassium fluoride, conc. = 1mol/dm3.

When the precipitate settled its height was measured. The experiment was then repeated using different volumes of potassium fluoride solution.

A diagram is displayed with the question. It shows that at 6cm3 the precipitates height stops increasing.


What is the formula of the fluoride of metal Q ??

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I got QF2... what do u get and please show your methid

nid404:
It'll be good if u name the paper......so there's no confusion :)

holtadit:
1990 :D

holtadit:
Here ya go

nid404:
QF2 is what i get too

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