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S=26,9% / 32 = 0,84 / 0,84 = 1
O=53,8% / 16 = 3,36 / 0,84 = 4
Formula Empirica = NaSO₄
Peso Molecular NaSO₄ = (23ₓ1 + 32ₓ1 + 16ₓ4) = 23+32+64
= 119 g/mol
Peso Molecular del Compuesto / Peso Molecular Formula Empirica
238 g/mol = 2
119 g/mol
Formula Molecular = Na₁ₓ₂S₁ₓ₂O₄ₓ₂
= Na₂S₂O₈ ⇒ NaSO₄