Verified Answer :

Willchemistry


molar mass  Mg = 24 g/mol ; MgF2 = 62 g/mol

Mg + 2 NaF = MgF2 + 2 Na

24 g Mg ------------ 62 g MgF2
5.50 g Mg ---------- ( mass MgF2)

mass MgF2 = 5.50 x 62 / 24

mass mgF2 = 341 / 24

= 14.208 g of MgF2

hoope this helps!

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