まず、C141H17O24N17S2P7Cl17F74Br5I4Na7Xe24U19Zr18W7Sb29He85Ba7Cs19 内の各原子の数を計算します。
C: 141, H: 17, O: 24, N: 17, S: 2, P: 7, Cl: 17, F: 74, Br: 5, I: 4, Na: 7, Xe: 24, U: 19, Zr: 18, W: 7, Sb: 29, He: 85, Ba: 7, Cs: 19
次に、周期表の各元素の原子量を調べます。
C: 12.0107, H: 1.00794, O: 15.9994, N: 14.0067, S: 32.065, P: 30.973762, Cl: 35.453, F: 18.9984032, Br: 79.904, I: 126.90447, Na: 22.98976928, Xe: 131.293, U: 238.02891, Zr: 91.224, W: 183.84, Sb: 121.76, He: 4.002602, Ba: 137.327, Cs: 132.9054519
次に、原子数と原子量の積の合計を計算します。
モル質量 (C141H17O24N17S2P7Cl17F74Br5I4Na7Xe24U19Zr18W7Sb29He85Ba7Cs19) = ∑ Counti * Weighti =
Count(C) * Weight(C) + Count(H) * Weight(H) + Count(O) * Weight(O) + Count(N) * Weight(N) + Count(S) * Weight(S) + Count(P) * Weight(P) + Count(Cl) * Weight(Cl) + Count(F) * Weight(F) + Count(Br) * Weight(Br) + Count(I) * Weight(I) + Count(Na) * Weight(Na) + Count(Xe) * Weight(Xe) + Count(U) * Weight(U) + Count(Zr) * Weight(Zr) + Count(W) * Weight(W) + Count(Sb) * Weight(Sb) + Count(He) * Weight(He) + Count(Ba) * Weight(Ba) + Count(Cs) * Weight(Cs) =
141 * 12.0107 + 17 * 1.00794 + 24 * 15.9994 + 17 * 14.0067 + 2 * 32.065 + 7 * 30.973762 + 17 * 35.453 + 74 * 18.9984032 + 5 * 79.904 + 4 * 126.90447 + 7 * 22.98976928 + 24 * 131.293 + 19 * 238.02891 + 18 * 91.224 + 7 * 183.84 + 29 * 121.76 + 85 * 4.002602 + 7 * 137.327 + 19 * 132.9054519 =
23650.5857 g/mol
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