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
<span>mass CaF2 = 96.03 grams</span>
Answer:
Their are 4 electrons just had the same problem
Answer:
I believe the answer would be
b.) valence electrons, all thw electrons that surround the nucleus of an atom
Explanation:
You're welcome
I think it’s that last one
