まず、FeCl3Na4Be6K2PtBaH123Ca5CO3PBLrUUODsRg 内の各原子の数を計算します。
Fe: 1, Cl: 3, Na: 4, Be: 6, K: 2, Pt: 1, Ba: 1, H: 123, Ca: 5, C: 1, O: 4, P: 1, B: 1, Lr: 1, U: 2, Ds: 1, Rg: 1
次に、周期表の各元素の原子量を調べます。
Fe: 55.845, Cl: 35.453, Na: 22.98976928, Be: 9.012182, K: 39.0983, Pt: 195.084, Ba: 137.327, H: 1.00794, Ca: 40.078, C: 12.0107, O: 15.9994, P: 30.973762, B: 10.811, Lr: 262.10963, U: 238.02891, Ds: 281.16206, Rg: 280.16447
次に、原子数と原子量の積の合計を計算します。
モル質量 (FeCl3Na4Be6K2PtBaH123Ca5CO3PBLrUUODsRg) = ∑ Counti * Weighti =
Count(Fe) * Weight(Fe) + Count(Cl) * Weight(Cl) + Count(Na) * Weight(Na) + Count(Be) * Weight(Be) + Count(K) * Weight(K) + Count(Pt) * Weight(Pt) + Count(Ba) * Weight(Ba) + Count(H) * Weight(H) + Count(Ca) * Weight(Ca) + Count(C) * Weight(C) + Count(O) * Weight(O) + Count(P) * Weight(P) + Count(B) * Weight(B) + Count(Lr) * Weight(Lr) + Count(U) * Weight(U) + Count(Ds) * Weight(Ds) + Count(Rg) * Weight(Rg) =
1 * 55.845 + 3 * 35.453 + 4 * 22.98976928 + 6 * 9.012182 + 2 * 39.0983 + 1 * 195.084 + 1 * 137.327 + 123 * 1.00794 + 5 * 40.078 + 1 * 12.0107 + 4 * 15.9994 + 1 * 30.973762 + 1 * 10.811 + 1 * 262.10963 + 2 * 238.02891 + 1 * 281.16206 + 1 * 280.16447 =
2460.4974 g/mol
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