まず、OZrKrUSNeCUPBNaAgTiSNPmFeTaHg 内の各原子の数を計算します。
O: 1, Zr: 1, Kr: 1, U: 2, S: 2, Ne: 1, C: 1, P: 1, B: 1, Na: 1, Ag: 1, Ti: 1, N: 1, Pm: 1, Fe: 1, Ta: 1, Hg: 1
次に、周期表の各元素の原子量を調べます。
O: 15.9994, Zr: 91.224, Kr: 83.798, U: 238.02891, S: 32.065, Ne: 20.1797, C: 12.0107, P: 30.973762, B: 10.811, Na: 22.98976928, Ag: 107.8682, Ti: 47.867, N: 14.0067, Pm: 144.912749, Fe: 55.845, Ta: 180.94788, Hg: 200.59
次に、原子数と原子量の積の合計を計算します。
モル質量 (OZrKrUSNeCUPBNaAgTiSNPmFeTaHg) = ∑ Counti * Weighti =
Count(O) * Weight(O) + Count(Zr) * Weight(Zr) + Count(Kr) * Weight(Kr) + Count(U) * Weight(U) + Count(S) * Weight(S) + Count(Ne) * Weight(Ne) + Count(C) * Weight(C) + Count(P) * Weight(P) + Count(B) * Weight(B) + Count(Na) * Weight(Na) + Count(Ag) * Weight(Ag) + Count(Ti) * Weight(Ti) + Count(N) * Weight(N) + Count(Pm) * Weight(Pm) + Count(Fe) * Weight(Fe) + Count(Ta) * Weight(Ta) + Count(Hg) * Weight(Hg) =
1 * 15.9994 + 1 * 91.224 + 1 * 83.798 + 2 * 238.02891 + 2 * 32.065 + 1 * 20.1797 + 1 * 12.0107 + 1 * 30.973762 + 1 * 10.811 + 1 * 22.98976928 + 1 * 107.8682 + 1 * 47.867 + 1 * 14.0067 + 1 * 144.912749 + 1 * 55.845 + 1 * 180.94788 + 1 * 200.59 =
1580.2117 g/mol
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