まず、Se9K5Si5Fe5Au2AgH71N10C11Xe3UupUusHe55Ba18Y7Fr5Ca9Cu8O12 内の各原子の数を計算します。
Se: 9, K: 5, Si: 5, Fe: 5, Au: 2, Ag: 1, H: 71, N: 10, C: 11, Xe: 3, Uup: 1, Uus: 1, He: 55, Ba: 18, Y: 7, Fr: 5, Ca: 9, Cu: 8, O: 12
次に、周期表の各元素の原子量を調べます。
Se: 78.96, K: 39.0983, Si: 28.0855, Fe: 55.845, Au: 196.966569, Ag: 107.8682, H: 1.00794, N: 14.0067, C: 12.0107, Xe: 131.293, Uup: 288.19249, Uus: 292.20755, He: 4.002602, Ba: 137.327, Y: 88.90585, Fr: 223.0197359, Ca: 40.078, Cu: 63.546, O: 15.9994
次に、原子数と原子量の積の合計を計算します。
モル質量 (Se9K5Si5Fe5Au2AgH71N10C11Xe3UupUusHe55Ba18Y7Fr5Ca9Cu8O12) = ∑ Counti * Weighti =
Count(Se) * Weight(Se) + Count(K) * Weight(K) + Count(Si) * Weight(Si) + Count(Fe) * Weight(Fe) + Count(Au) * Weight(Au) + Count(Ag) * Weight(Ag) + Count(H) * Weight(H) + Count(N) * Weight(N) + Count(C) * Weight(C) + Count(Xe) * Weight(Xe) + Count(Uup) * Weight(Uup) + Count(Uus) * Weight(Uus) + Count(He) * Weight(He) + Count(Ba) * Weight(Ba) + Count(Y) * Weight(Y) + Count(Fr) * Weight(Fr) + Count(Ca) * Weight(Ca) + Count(Cu) * Weight(Cu) + Count(O) * Weight(O) =
9 * 78.96 + 5 * 39.0983 + 5 * 28.0855 + 5 * 55.845 + 2 * 196.966569 + 1 * 107.8682 + 71 * 1.00794 + 10 * 14.0067 + 11 * 12.0107 + 3 * 131.293 + 1 * 288.19249 + 1 * 292.20755 + 55 * 4.002602 + 18 * 137.327 + 7 * 88.90585 + 5 * 223.0197359 + 9 * 40.078 + 8 * 63.546 + 12 * 15.9994 =
8636.1444 g/mol
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