まず、HCOFeUClAlThCaNZnSNaFrBrAs 内の各原子の数を計算します。
H: 1, C: 1, O: 1, Fe: 1, U: 1, Cl: 1, Al: 1, Th: 1, Ca: 1, N: 1, Zn: 1, S: 1, Na: 1, Fr: 1, Br: 1, As: 1
次に、周期表の各元素の原子量を調べます。
H: 1.00794, C: 12.0107, O: 15.9994, Fe: 55.845, U: 238.02891, Cl: 35.453, Al: 26.9815386, Th: 232.03806, Ca: 40.078, N: 14.0067, Zn: 65.38, S: 32.065, Na: 22.98976928, Fr: 223.0197359, Br: 79.904, As: 74.9216
次に、原子数と原子量の積の合計を計算します。
モル質量 (HCOFeUClAlThCaNZnSNaFrBrAs) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(C) * Weight(C) + Count(O) * Weight(O) + Count(Fe) * Weight(Fe) + Count(U) * Weight(U) + Count(Cl) * Weight(Cl) + Count(Al) * Weight(Al) + Count(Th) * Weight(Th) + Count(Ca) * Weight(Ca) + Count(N) * Weight(N) + Count(Zn) * Weight(Zn) + Count(S) * Weight(S) + Count(Na) * Weight(Na) + Count(Fr) * Weight(Fr) + Count(Br) * Weight(Br) + Count(As) * Weight(As) =
1 * 1.00794 + 1 * 12.0107 + 1 * 15.9994 + 1 * 55.845 + 1 * 238.02891 + 1 * 35.453 + 1 * 26.9815386 + 1 * 232.03806 + 1 * 40.078 + 1 * 14.0067 + 1 * 65.38 + 1 * 32.065 + 1 * 22.98976928 + 1 * 223.0197359 + 1 * 79.904 + 1 * 74.9216 =
1169.7294 g/mol
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