まず、H1He2Li4Ca3C9Ac5Rn8Th5Sr3Dy9Rb6Cm12K8Si4Bk57Lu3Br666Xe8S100 内の各原子の数を計算します。
H: 1, He: 2, Li: 4, Ca: 3, C: 9, Ac: 5, Rn: 8, Th: 5, Sr: 3, Dy: 9, Rb: 6, Cm: 12, K: 8, Si: 4, Bk: 57, Lu: 3, Br: 666, Xe: 8, S: 100
次に、周期表の各元素の原子量を調べます。
H: 1.00794, He: 4.002602, Li: 6.941, Ca: 40.078, C: 12.0107, Ac: 227.0277521, Rn: 210.990601, Th: 232.03806, Sr: 87.62, Dy: 162.5, Rb: 85.4678, Cm: 243.0613891, K: 39.0983, Si: 28.0855, Bk: 247.070307, Lu: 174.9668, Br: 79.904, Xe: 131.293, S: 32.065
次に、原子数と原子量の積の合計を計算します。
モル質量 (H1He2Li4Ca3C9Ac5Rn8Th5Sr3Dy9Rb6Cm12K8Si4Bk57Lu3Br666Xe8S100) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(He) * Weight(He) + Count(Li) * Weight(Li) + Count(Ca) * Weight(Ca) + Count(C) * Weight(C) + Count(Ac) * Weight(Ac) + Count(Rn) * Weight(Rn) + Count(Th) * Weight(Th) + Count(Sr) * Weight(Sr) + Count(Dy) * Weight(Dy) + Count(Rb) * Weight(Rb) + Count(Cm) * Weight(Cm) + Count(K) * Weight(K) + Count(Si) * Weight(Si) + Count(Bk) * Weight(Bk) + Count(Lu) * Weight(Lu) + Count(Br) * Weight(Br) + Count(Xe) * Weight(Xe) + Count(S) * Weight(S) =
1 * 1.00794 + 2 * 4.002602 + 4 * 6.941 + 3 * 40.078 + 9 * 12.0107 + 5 * 227.0277521 + 8 * 210.990601 + 5 * 232.03806 + 3 * 87.62 + 9 * 162.5 + 6 * 85.4678 + 12 * 243.0613891 + 8 * 39.0983 + 4 * 28.0855 + 57 * 247.070307 + 3 * 174.9668 + 666 * 79.904 + 8 * 131.293 + 100 * 32.065 =
81909.2091 g/mol
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