まず、BrSnFePbSiAgAuPIGeRbHONCSAlCuKNa 内の各原子の数を計算します。
Br: 1, Sn: 1, Fe: 1, Pb: 1, Si: 1, Ag: 1, Au: 1, P: 1, I: 1, Ge: 1, Rb: 1, H: 1, O: 1, N: 1, C: 1, S: 1, Al: 1, Cu: 1, K: 1, Na: 1
次に、周期表の各元素の原子量を調べます。
Br: 79.904, Sn: 118.71, Fe: 55.845, Pb: 207.2, Si: 28.0855, Ag: 107.8682, Au: 196.966569, P: 30.973762, I: 126.90447, Ge: 72.64, Rb: 85.4678, H: 1.00794, O: 15.9994, N: 14.0067, C: 12.0107, S: 32.065, Al: 26.9815386, Cu: 63.546, K: 39.0983, Na: 22.98976928
次に、原子数と原子量の積の合計を計算します。
モル質量 (BrSnFePbSiAgAuPIGeRbHONCSAlCuKNa) = ∑ Counti * Weighti =
Count(Br) * Weight(Br) + Count(Sn) * Weight(Sn) + Count(Fe) * Weight(Fe) + Count(Pb) * Weight(Pb) + Count(Si) * Weight(Si) + Count(Ag) * Weight(Ag) + Count(Au) * Weight(Au) + Count(P) * Weight(P) + Count(I) * Weight(I) + Count(Ge) * Weight(Ge) + Count(Rb) * Weight(Rb) + Count(H) * Weight(H) + Count(O) * Weight(O) + Count(N) * Weight(N) + Count(C) * Weight(C) + Count(S) * Weight(S) + Count(Al) * Weight(Al) + Count(Cu) * Weight(Cu) + Count(K) * Weight(K) + Count(Na) * Weight(Na) =
1 * 79.904 + 1 * 118.71 + 1 * 55.845 + 1 * 207.2 + 1 * 28.0855 + 1 * 107.8682 + 1 * 196.966569 + 1 * 30.973762 + 1 * 126.90447 + 1 * 72.64 + 1 * 85.4678 + 1 * 1.00794 + 1 * 15.9994 + 1 * 14.0067 + 1 * 12.0107 + 1 * 32.065 + 1 * 26.9815386 + 1 * 63.546 + 1 * 39.0983 + 1 * 22.98976928 =
1338.2706 g/mol
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