neomorones13 neomorones13
  • 23-10-2017
  • Chemistry
contestada

How many grams of CaF2 would be needed to produce 1.23 moles of F2?

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barnuts
barnuts barnuts
  • 02-11-2017

We see from the chemical formula itself that there is 1 mole of F2 for every 1 mole of CaF2, hence the number of moles of CaF2 is also:

moles CaF2 = 1.23 moles

 

The molar mass of CaF2 is 78.07 g/mol, so the mass is:

mass CaF2 = 78.07 g / mol * 1.23 mol

mass CaF2 = 96.03 grams

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