まず、O1N1He1Na1Fe1C1Cu1Ga1F1H1B1Si1Cl1Ne1Ar1Cn1Co1Ca1Rb1Mo1U1Mg1Li1Au1Ag1Pt1 内の各原子の数を計算します。
O: 1, N: 1, He: 1, Na: 1, Fe: 1, C: 1, Cu: 1, Ga: 1, F: 1, H: 1, B: 1, Si: 1, Cl: 1, Ne: 1, Ar: 1, Cn: 1, Co: 1, Ca: 1, Rb: 1, Mo: 1, U: 1, Mg: 1, Li: 1, Au: 1, Ag: 1, Pt: 1
次に、周期表の各元素の原子量を調べます。
O: 15.9994, N: 14.0067, He: 4.002602, Na: 22.98976928, Fe: 55.845, C: 12.0107, Cu: 63.546, Ga: 69.723, F: 18.9984032, H: 1.00794, B: 10.811, Si: 28.0855, Cl: 35.453, Ne: 20.1797, Ar: 39.948, Cn: 285.17411, Co: 58.933195, Ca: 40.078, Rb: 85.4678, Mo: 95.96, U: 238.02891, Mg: 24.305, Li: 6.941, Au: 196.966569, Ag: 107.8682, Pt: 195.084
次に、原子数と原子量の積の合計を計算します。
モル質量 (O1N1He1Na1Fe1C1Cu1Ga1F1H1B1Si1Cl1Ne1Ar1Cn1Co1Ca1Rb1Mo1U1Mg1Li1Au1Ag1Pt1) = ∑ Counti * Weighti =
Count(O) * Weight(O) + Count(N) * Weight(N) + Count(He) * Weight(He) + Count(Na) * Weight(Na) + Count(Fe) * Weight(Fe) + Count(C) * Weight(C) + Count(Cu) * Weight(Cu) + Count(Ga) * Weight(Ga) + Count(F) * Weight(F) + Count(H) * Weight(H) + Count(B) * Weight(B) + Count(Si) * Weight(Si) + Count(Cl) * Weight(Cl) + Count(Ne) * Weight(Ne) + Count(Ar) * Weight(Ar) + Count(Cn) * Weight(Cn) + Count(Co) * Weight(Co) + Count(Ca) * Weight(Ca) + Count(Rb) * Weight(Rb) + Count(Mo) * Weight(Mo) + Count(U) * Weight(U) + Count(Mg) * Weight(Mg) + Count(Li) * Weight(Li) + Count(Au) * Weight(Au) + Count(Ag) * Weight(Ag) + Count(Pt) * Weight(Pt) =
1 * 15.9994 + 1 * 14.0067 + 1 * 4.002602 + 1 * 22.98976928 + 1 * 55.845 + 1 * 12.0107 + 1 * 63.546 + 1 * 69.723 + 1 * 18.9984032 + 1 * 1.00794 + 1 * 10.811 + 1 * 28.0855 + 1 * 35.453 + 1 * 20.1797 + 1 * 39.948 + 1 * 285.17411 + 1 * 58.933195 + 1 * 40.078 + 1 * 85.4678 + 1 * 95.96 + 1 * 238.02891 + 1 * 24.305 + 1 * 6.941 + 1 * 196.966569 + 1 * 107.8682 + 1 * 195.084 =
1747.4135 g/mol
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