How many moles are there in 24.0 grams of #FeF_3#?

1 Answer
Watchmojo J.
Apr 7, 2017

0.213 moles

Explanation:

The number of moles in a substance = #(Mass)/(Relative Mass)#

Mass = 24g

Relative Mass = 55.8 + 19 + 19 + 19 = 112.8 g/mol

#(24)/(112.8)# = 0.2127659574 ≈ 0.213 moles

(I have rounded to 3 significant figures as the mass is)

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