Answer:
Explanation:
MgF₂ = Mg⁺² + 2F⁻¹ .
Relative number of ions of Mg⁺² and F⁻¹ in the salt is 1 : 2 .
Total molar mass = 62.0g.
molar mass of Mg = 24g and molar mass of F is 19 g ,So two atoms = 19 x 2 = 38 g.
So in 62.0 g of MgF₂ the mass of Mg is 24 g
Percentage of Mg is 24/ 62.0 x 100 = 38.7 %
Percentage of F = 38/62.0 X 100 = 61.2%
