Chemistry
janimarie
13

How many magnesium ions are present in 5.36 x 10-4 mol of magnesium iodide?

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(1) Answers
cristal212

magnesium iodide = MgI₂ mass of Mg = 24.3g mass of I = 126.9g mass of MgI₂ = 24.3 + 2*126.9 = 278.1g = 1 mole in 5.36x10⁻⁴ mole of MgI₂ ---------------- x g of Mg in 1 mole of MgI₂ ------------------------------ 1 mole of Mg x = 5.36x10⁻⁴ moles of Mg = 0.000536 moles of Mg answer: we've 0.000536 moles of Mg (magnesium ions) in 5.36x10⁻⁴ moles of MgI₂

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