The empirical formula of the compound is SiCl₄.
mass of silicon = 28 g/mol
mass of chlorine = 35.5 g/mol
Si = 8.56/28 = 0.306
Cl = 43.2/35.5 = 1.216
Si = 0.306/0.306 = 1
Cl = 1.216/0.306 = 4
empirical formula = SiCl₄
Thus, the empirical formula of the compound is SiCl₄.
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