まず、Cl4H4I4Mg4Cu4Fe4LiPt4Au4Xe4Pt4Hg4S4K4Na44F4He4P4Ne4Ar4Xe4Kr4 内の各原子の数を計算します。
Cl: 4, H: 4, I: 4, Mg: 4, Cu: 4, Fe: 4, Li: 1, Pt: 8, Au: 4, Xe: 8, Hg: 4, S: 4, K: 4, Na: 44, F: 4, He: 4, P: 4, Ne: 4, Ar: 4, Kr: 4
次に、周期表の各元素の原子量を調べます。
Cl: 35.453, H: 1.00794, I: 126.90447, Mg: 24.305, Cu: 63.546, Fe: 55.845, Li: 6.941, Pt: 195.084, Au: 196.966569, Xe: 131.293, Hg: 200.59, S: 32.065, K: 39.0983, Na: 22.98976928, F: 18.9984032, He: 4.002602, P: 30.973762, Ne: 20.1797, Ar: 39.948, Kr: 83.798
次に、原子数と原子量の積の合計を計算します。
モル質量 (Cl4H4I4Mg4Cu4Fe4LiPt4Au4Xe4Pt4Hg4S4K4Na44F4He4P4Ne4Ar4Xe4Kr4) = ∑ Counti * Weighti =
Count(Cl) * Weight(Cl) + Count(H) * Weight(H) + Count(I) * Weight(I) + Count(Mg) * Weight(Mg) + Count(Cu) * Weight(Cu) + Count(Fe) * Weight(Fe) + Count(Li) * Weight(Li) + Count(Pt) * Weight(Pt) + Count(Au) * Weight(Au) + Count(Xe) * Weight(Xe) + Count(Hg) * Weight(Hg) + Count(S) * Weight(S) + Count(K) * Weight(K) + Count(Na) * Weight(Na) + Count(F) * Weight(F) + Count(He) * Weight(He) + Count(P) * Weight(P) + Count(Ne) * Weight(Ne) + Count(Ar) * Weight(Ar) + Count(Kr) * Weight(Kr) =
4 * 35.453 + 4 * 1.00794 + 4 * 126.90447 + 4 * 24.305 + 4 * 63.546 + 4 * 55.845 + 1 * 6.941 + 8 * 195.084 + 4 * 196.966569 + 8 * 131.293 + 4 * 200.59 + 4 * 32.065 + 4 * 39.0983 + 44 * 22.98976928 + 4 * 18.9984032 + 4 * 4.002602 + 4 * 30.973762 + 4 * 20.1797 + 4 * 39.948 + 4 * 83.798 =
7524.2338 g/mol
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