calculate the number of chlorine ions in 75g of aluminum chloride?
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Molecular mass of AlCl3 = 27 + 3(35.5) = 133.5 g/mol
Mole of AlCl3 = 75/133.5 = 0.56
Mole of Cl atom = 0.56 * 3 = 1.68
number of Cl atom = 1.68 * 6.022 * 10^23
= 10.14 * 10^23
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