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amysa amysa
  • 01-02-2022
  • Chemistry
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How many moles in 67.8 g of F2 ( Fluorine compound)?

Respuesta :

SharkRose SharkRose
  • 01-02-2022

Answer:

1.78 moles

Explanation:

to find moles, use the formula moles=mass/rfm

the rfm is the mass number (the bigger number) on the element's square thingy on the periodic table

the mass number of fluorine is 19

19*2 (because it's diatomic you multiply it by 2) =38

so 67.8/38=1.78421052632

round it to 2 sf= 1.78 moles

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