まず、Ar2XeNe4HgC10O8N8KrGaGeSiSeAgAuWNaH50Ca3 内の各原子の数を計算します。
Ar: 2, Xe: 1, Ne: 4, Hg: 1, C: 10, O: 8, N: 8, Kr: 1, Ga: 1, Ge: 1, Si: 1, Se: 1, Ag: 1, Au: 1, W: 1, Na: 1, H: 50, Ca: 3
次に、周期表の各元素の原子量を調べます。
Ar: 39.948, Xe: 131.293, Ne: 20.1797, Hg: 200.59, C: 12.0107, O: 15.9994, N: 14.0067, Kr: 83.798, Ga: 69.723, Ge: 72.64, Si: 28.0855, Se: 78.96, Ag: 107.8682, Au: 196.966569, W: 183.84, Na: 22.98976928, H: 1.00794, Ca: 40.078
次に、原子数と原子量の積の合計を計算します。
モル質量 (Ar2XeNe4HgC10O8N8KrGaGeSiSeAgAuWNaH50Ca3) = ∑ Counti * Weighti =
Count(Ar) * Weight(Ar) + Count(Xe) * Weight(Xe) + Count(Ne) * Weight(Ne) + Count(Hg) * Weight(Hg) + Count(C) * Weight(C) + Count(O) * Weight(O) + Count(N) * Weight(N) + Count(Kr) * Weight(Kr) + Count(Ga) * Weight(Ga) + Count(Ge) * Weight(Ge) + Count(Si) * Weight(Si) + Count(Se) * Weight(Se) + Count(Ag) * Weight(Ag) + Count(Au) * Weight(Au) + Count(W) * Weight(W) + Count(Na) * Weight(Na) + Count(H) * Weight(H) + Count(Ca) * Weight(Ca) =
2 * 39.948 + 1 * 131.293 + 4 * 20.1797 + 1 * 200.59 + 10 * 12.0107 + 8 * 15.9994 + 8 * 14.0067 + 1 * 83.798 + 1 * 69.723 + 1 * 72.64 + 1 * 28.0855 + 1 * 78.96 + 1 * 107.8682 + 1 * 196.966569 + 1 * 183.84 + 1 * 22.98976928 + 50 * 1.00794 + 3 * 40.078 =
1868.1556 g/mol
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