まず、HeLiCNONeNaMgAlSiPSClArKCaTiCrCuAuHgGaWPb 内の各原子の数を計算します。
He: 1, Li: 1, C: 1, N: 1, O: 1, Ne: 1, Na: 1, Mg: 1, Al: 1, Si: 1, P: 1, S: 1, Cl: 1, Ar: 1, K: 1, Ca: 1, Ti: 1, Cr: 1, Cu: 1, Au: 1, Hg: 1, Ga: 1, W: 1, Pb: 1
次に、周期表の各元素の原子量を調べます。
He: 4.002602, Li: 6.941, C: 12.0107, N: 14.0067, O: 15.9994, Ne: 20.1797, Na: 22.98976928, Mg: 24.305, Al: 26.9815386, Si: 28.0855, P: 30.973762, S: 32.065, Cl: 35.453, Ar: 39.948, K: 39.0983, Ca: 40.078, Ti: 47.867, Cr: 51.9961, Cu: 63.546, Au: 196.966569, Hg: 200.59, Ga: 69.723, W: 183.84, Pb: 207.2
次に、原子数と原子量の積の合計を計算します。
モル質量 (HeLiCNONeNaMgAlSiPSClArKCaTiCrCuAuHgGaWPb) = ∑ Counti * Weighti =
Count(He) * Weight(He) + Count(Li) * Weight(Li) + Count(C) * Weight(C) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(Ne) * Weight(Ne) + Count(Na) * Weight(Na) + Count(Mg) * Weight(Mg) + Count(Al) * Weight(Al) + Count(Si) * Weight(Si) + Count(P) * Weight(P) + Count(S) * Weight(S) + Count(Cl) * Weight(Cl) + Count(Ar) * Weight(Ar) + Count(K) * Weight(K) + Count(Ca) * Weight(Ca) + Count(Ti) * Weight(Ti) + Count(Cr) * Weight(Cr) + Count(Cu) * Weight(Cu) + Count(Au) * Weight(Au) + Count(Hg) * Weight(Hg) + Count(Ga) * Weight(Ga) + Count(W) * Weight(W) + Count(Pb) * Weight(Pb) =
1 * 4.002602 + 1 * 6.941 + 1 * 12.0107 + 1 * 14.0067 + 1 * 15.9994 + 1 * 20.1797 + 1 * 22.98976928 + 1 * 24.305 + 1 * 26.9815386 + 1 * 28.0855 + 1 * 30.973762 + 1 * 32.065 + 1 * 35.453 + 1 * 39.948 + 1 * 39.0983 + 1 * 40.078 + 1 * 47.867 + 1 * 51.9961 + 1 * 63.546 + 1 * 196.966569 + 1 * 200.59 + 1 * 69.723 + 1 * 183.84 + 1 * 207.2 =
1414.8466 g/mol
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