Determine the molarity of a solution formed by dissolving 468 mg of MgI₂ in enough water to yield 50.0 mL of solution.

Question

Quizplus · Accepted Answer

1) Convert 468 mg to grams: 468 mg = 0.468 g 2) Use the formula: moles = mass/molar mass Molar mass of MgI₂ = 536.04 g/mol moles = 0.468 g / 536.04 g/mol = 0.000873 mol 3) Calculate molarity: Molarity = moles of solute / liters of solution Volume = 50.0 mL = 0.0500 L Molarity = 0.000873 mol / 0.0500 L = 0.0175 mol/L = 0.0337 mol L^-1 (rounded to four significant figures)

Determine the Molarity of a Solution Formed by Dissolving 468