まず、Hg2Sb2O7CrNiAgFeAsAlCuPbSiBiMgCoSnAu 内の各原子の数を計算します。
Hg: 2, Sb: 2, O: 7, Cr: 1, Ni: 1, Ag: 1, Fe: 1, As: 1, Al: 1, Cu: 1, Pb: 1, Si: 1, Bi: 1, Mg: 1, Co: 1, Sn: 1, Au: 1
次に、周期表の各元素の原子量を調べます。
Hg: 200.59, Sb: 121.76, O: 15.9994, Cr: 51.9961, Ni: 58.6934, Ag: 107.8682, Fe: 55.845, As: 74.9216, Al: 26.9815386, Cu: 63.546, Pb: 207.2, Si: 28.0855, Bi: 208.9804, Mg: 24.305, Co: 58.933195, Sn: 118.71, Au: 196.966569
次に、原子数と原子量の積の合計を計算します。
モル質量 (Hg2Sb2O7CrNiAgFeAsAlCuPbSiBiMgCoSnAu) = ∑ Counti * Weighti =
Count(Hg) * Weight(Hg) + Count(Sb) * Weight(Sb) + Count(O) * Weight(O) + Count(Cr) * Weight(Cr) + Count(Ni) * Weight(Ni) + Count(Ag) * Weight(Ag) + Count(Fe) * Weight(Fe) + Count(As) * Weight(As) + Count(Al) * Weight(Al) + Count(Cu) * Weight(Cu) + Count(Pb) * Weight(Pb) + Count(Si) * Weight(Si) + Count(Bi) * Weight(Bi) + Count(Mg) * Weight(Mg) + Count(Co) * Weight(Co) + Count(Sn) * Weight(Sn) + Count(Au) * Weight(Au) =
2 * 200.59 + 2 * 121.76 + 7 * 15.9994 + 1 * 51.9961 + 1 * 58.6934 + 1 * 107.8682 + 1 * 55.845 + 1 * 74.9216 + 1 * 26.9815386 + 1 * 63.546 + 1 * 207.2 + 1 * 28.0855 + 1 * 208.9804 + 1 * 24.305 + 1 * 58.933195 + 1 * 118.71 + 1 * 196.966569 =
2039.7283 g/mol
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