まず、H25Li10Be10Na5Mg9K9Ca20Sc13Ti3V4Cr3Mn2Fe5Co7Ni2Cu2Zn3B8C19N7 内の各原子の数を計算します。
H: 25, Li: 10, Be: 10, Na: 5, Mg: 9, K: 9, Ca: 20, Sc: 13, Ti: 3, V: 4, Cr: 3, Mn: 2, Fe: 5, Co: 7, Ni: 2, Cu: 2, Zn: 3, B: 8, C: 19, N: 7
次に、周期表の各元素の原子量を調べます。
H: 1.00794, Li: 6.941, Be: 9.012182, Na: 22.98976928, Mg: 24.305, K: 39.0983, Ca: 40.078, Sc: 44.955912, Ti: 47.867, V: 50.9415, Cr: 51.9961, Mn: 54.938045, Fe: 55.845, Co: 58.933195, Ni: 58.6934, Cu: 63.546, Zn: 65.38, B: 10.811, C: 12.0107, N: 14.0067
次に、原子数と原子量の積の合計を計算します。
モル質量 (H25Li10Be10Na5Mg9K9Ca20Sc13Ti3V4Cr3Mn2Fe5Co7Ni2Cu2Zn3B8C19N7) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(Li) * Weight(Li) + Count(Be) * Weight(Be) + Count(Na) * Weight(Na) + Count(Mg) * Weight(Mg) + Count(K) * Weight(K) + Count(Ca) * Weight(Ca) + Count(Sc) * Weight(Sc) + Count(Ti) * Weight(Ti) + Count(V) * Weight(V) + Count(Cr) * Weight(Cr) + Count(Mn) * Weight(Mn) + Count(Fe) * Weight(Fe) + Count(Co) * Weight(Co) + Count(Ni) * Weight(Ni) + Count(Cu) * Weight(Cu) + Count(Zn) * Weight(Zn) + Count(B) * Weight(B) + Count(C) * Weight(C) + Count(N) * Weight(N) =
25 * 1.00794 + 10 * 6.941 + 10 * 9.012182 + 5 * 22.98976928 + 9 * 24.305 + 9 * 39.0983 + 20 * 40.078 + 13 * 44.955912 + 3 * 47.867 + 4 * 50.9415 + 3 * 51.9961 + 2 * 54.938045 + 5 * 55.845 + 7 * 58.933195 + 2 * 58.6934 + 2 * 63.546 + 3 * 65.38 + 8 * 10.811 + 19 * 12.0107 + 7 * 14.0067 =
4414.6415 g/mol
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