まず、NaCLiCNOFNeHeBH7U3PdMgAtRnXe 内の各原子の数を計算します。
Na: 1, C: 2, Li: 1, N: 1, O: 1, F: 1, Ne: 1, He: 1, B: 1, H: 7, U: 3, Pd: 1, Mg: 1, At: 1, Rn: 1, Xe: 1
次に、周期表の各元素の原子量を調べます。
Na: 22.98976928, C: 12.0107, Li: 6.941, N: 14.0067, O: 15.9994, F: 18.9984032, Ne: 20.1797, He: 4.002602, B: 10.811, H: 1.00794, U: 238.02891, Pd: 106.42, Mg: 24.305, At: 209.987148, Rn: 210.990601, Xe: 131.293
次に、原子数と原子量の積の合計を計算します。
モル質量 (NaCLiCNOFNeHeBH7U3PdMgAtRnXe) = ∑ Counti * Weighti =
Count(Na) * Weight(Na) + Count(C) * Weight(C) + Count(Li) * Weight(Li) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(F) * Weight(F) + Count(Ne) * Weight(Ne) + Count(He) * Weight(He) + Count(B) * Weight(B) + Count(H) * Weight(H) + Count(U) * Weight(U) + Count(Pd) * Weight(Pd) + Count(Mg) * Weight(Mg) + Count(At) * Weight(At) + Count(Rn) * Weight(Rn) + Count(Xe) * Weight(Xe) =
1 * 22.98976928 + 2 * 12.0107 + 1 * 6.941 + 1 * 14.0067 + 1 * 15.9994 + 1 * 18.9984032 + 1 * 20.1797 + 1 * 4.002602 + 1 * 10.811 + 7 * 1.00794 + 3 * 238.02891 + 1 * 106.42 + 1 * 24.305 + 1 * 209.987148 + 1 * 210.990601 + 1 * 131.293 =
1542.0880 g/mol
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