Question

0.615 mol magnesium fluoride
m_mgf₂ =
g

Explanation:

Step1: Calculate molar mass of MgF₂

Molar mass = Mg (24.305 g/mol) + 2×F (19.00 g/mol) = 24.305 + 38 = 62.305 g/mol

Step2: Compute mass using moles

Mass = moles × molar mass = 0.615 mol × 62.305 g/mol ≈ 38.3 g

Answer:

38.3