まず、HeSiHOCSClHOSNCINCCaHeHfKLaDyRfXeBrUusUuo((C7H7O2S)) 内の各原子の数を計算します。
He: 2, Si: 1, H: 9, O: 4, C: 10, S: 3, Cl: 1, N: 2, I: 1, Ca: 1, Hf: 1, K: 1, La: 1, Dy: 1, Rf: 1, Xe: 1, Br: 1, Uus: 1, Uuo: 1
次に、周期表の各元素の原子量を調べます。
He: 4.002602, Si: 28.0855, H: 1.00794, O: 15.9994, C: 12.0107, S: 32.065, Cl: 35.453, N: 14.0067, I: 126.90447, Ca: 40.078, Hf: 178.49, K: 39.0983, La: 138.90547, Dy: 162.5, Rf: 265.1167, Xe: 131.293, Br: 79.904, Uus: 292.20755, Uuo: 0
次に、原子数と原子量の積の合計を計算します。
モル質量 (HeSiHOCSClHOSNCINCCaHeHfKLaDyRfXeBrUusUuo((C7H7O2S))) = ∑ Counti * Weighti =
Count(He) * Weight(He) + Count(Si) * Weight(Si) + Count(H) * Weight(H) + Count(O) * Weight(O) + Count(C) * Weight(C) + Count(S) * Weight(S) + Count(Cl) * Weight(Cl) + Count(N) * Weight(N) + Count(I) * Weight(I) + Count(Ca) * Weight(Ca) + Count(Hf) * Weight(Hf) + Count(K) * Weight(K) + Count(La) * Weight(La) + Count(Dy) * Weight(Dy) + Count(Rf) * Weight(Rf) + Count(Xe) * Weight(Xe) + Count(Br) * Weight(Br) + Count(Uus) * Weight(Uus) + Count(Uuo) * Weight(Uuo) =
2 * 4.002602 + 1 * 28.0855 + 9 * 1.00794 + 4 * 15.9994 + 10 * 12.0107 + 3 * 32.065 + 1 * 35.453 + 2 * 14.0067 + 1 * 126.90447 + 1 * 40.078 + 1 * 178.49 + 1 * 39.0983 + 1 * 138.90547 + 1 * 162.5 + 1 * 265.1167 + 1 * 131.293 + 1 * 79.904 + 1 * 292.20755 + 1 * 0 =
1843.4257 g/mol
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