まず、H40C34O17N10S6F6Cl6Br3I2P8B3Se5Al7Ta2Au5W3Li4Be3K5Y2 内の各原子の数を計算します。
H: 40, C: 34, O: 17, N: 10, S: 6, F: 6, Cl: 6, Br: 3, I: 2, P: 8, B: 3, Se: 5, Al: 7, Ta: 2, Au: 5, W: 3, Li: 4, Be: 3, K: 5, Y: 2
次に、周期表の各元素の原子量を調べます。
H: 1.00794, C: 12.0107, O: 15.9994, N: 14.0067, S: 32.065, F: 18.9984032, Cl: 35.453, Br: 79.904, I: 126.90447, P: 30.973762, B: 10.811, Se: 78.96, Al: 26.9815386, Ta: 180.94788, Au: 196.966569, W: 183.84, Li: 6.941, Be: 9.012182, K: 39.0983, Y: 88.90585
次に、原子数と原子量の積の合計を計算します。
モル質量 (H40C34O17N10S6F6Cl6Br3I2P8B3Se5Al7Ta2Au5W3Li4Be3K5Y2) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(C) * Weight(C) + Count(O) * Weight(O) + Count(N) * Weight(N) + Count(S) * Weight(S) + Count(F) * Weight(F) + Count(Cl) * Weight(Cl) + Count(Br) * Weight(Br) + Count(I) * Weight(I) + Count(P) * Weight(P) + Count(B) * Weight(B) + Count(Se) * Weight(Se) + Count(Al) * Weight(Al) + Count(Ta) * Weight(Ta) + Count(Au) * Weight(Au) + Count(W) * Weight(W) + Count(Li) * Weight(Li) + Count(Be) * Weight(Be) + Count(K) * Weight(K) + Count(Y) * Weight(Y) =
40 * 1.00794 + 34 * 12.0107 + 17 * 15.9994 + 10 * 14.0067 + 6 * 32.065 + 6 * 18.9984032 + 6 * 35.453 + 3 * 79.904 + 2 * 126.90447 + 8 * 30.973762 + 3 * 10.811 + 5 * 78.96 + 7 * 26.9815386 + 2 * 180.94788 + 5 * 196.966569 + 3 * 183.84 + 4 * 6.941 + 3 * 9.012182 + 5 * 39.0983 + 2 * 88.90585 =
5063.6038 g/mol
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