wanderej wanderej

06-04-2020
Chemistry

contestada

Calcium fluoride is 48.7% fluorine by mass. How many grams of calcium fluoride would contain 6.34 grams of fluorine?

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marilenasatra marilenasatra

06-04-2020

100% CaF2 -> 48% F
x CaF2 -> 6.34 gr F

6.34*100=48x
x=634/48
x= 13,20833... gr CaF2

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