まず、C7CaHS3O3RaUSnKCaSiHeArMgBBeNSeAgFrCuCoAu 内の各原子の数を計算します。
C: 7, Ca: 2, H: 1, S: 3, O: 3, Ra: 1, U: 1, Sn: 1, K: 1, Si: 1, He: 1, Ar: 1, Mg: 1, B: 1, Be: 1, N: 1, Se: 1, Ag: 1, Fr: 1, Cu: 1, Co: 1, Au: 1
次に、周期表の各元素の原子量を調べます。
C: 12.0107, Ca: 40.078, H: 1.00794, S: 32.065, O: 15.9994, Ra: 226.0254098, U: 238.02891, Sn: 118.71, K: 39.0983, Si: 28.0855, He: 4.002602, Ar: 39.948, Mg: 24.305, B: 10.811, Be: 9.012182, N: 14.0067, Se: 78.96, Ag: 107.8682, Fr: 223.0197359, Cu: 63.546, Co: 58.933195, Au: 196.966569
次に、原子数と原子量の積の合計を計算します。
モル質量 (C7CaHS3O3RaUSnKCaSiHeArMgBBeNSeAgFrCuCoAu) = ∑ Counti * Weighti =
Count(C) * Weight(C) + Count(Ca) * Weight(Ca) + Count(H) * Weight(H) + Count(S) * Weight(S) + Count(O) * Weight(O) + Count(Ra) * Weight(Ra) + Count(U) * Weight(U) + Count(Sn) * Weight(Sn) + Count(K) * Weight(K) + Count(Si) * Weight(Si) + Count(He) * Weight(He) + Count(Ar) * Weight(Ar) + Count(Mg) * Weight(Mg) + Count(B) * Weight(B) + Count(Be) * Weight(Be) + Count(N) * Weight(N) + Count(Se) * Weight(Se) + Count(Ag) * Weight(Ag) + Count(Fr) * Weight(Fr) + Count(Cu) * Weight(Cu) + Count(Co) * Weight(Co) + Count(Au) * Weight(Au) =
7 * 12.0107 + 2 * 40.078 + 1 * 1.00794 + 3 * 32.065 + 3 * 15.9994 + 1 * 226.0254098 + 1 * 238.02891 + 1 * 118.71 + 1 * 39.0983 + 1 * 28.0855 + 1 * 4.002602 + 1 * 39.948 + 1 * 24.305 + 1 * 10.811 + 1 * 9.012182 + 1 * 14.0067 + 1 * 78.96 + 1 * 107.8682 + 1 * 223.0197359 + 1 * 63.546 + 1 * 58.933195 + 1 * 196.966569 =
1790.7593 g/mol
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