まず、Cr2Ni2Si2Y2Al2Bi2Zn2Sn2Mg2Ag2Sm2Ga2Sb2Co2Mn2In2Cu2Gd2Fe2B 内の各原子の数を計算します。
Cr: 2, Ni: 2, Si: 2, Y: 2, Al: 2, Bi: 2, Zn: 2, Sn: 2, Mg: 2, Ag: 2, Sm: 2, Ga: 2, Sb: 2, Co: 2, Mn: 2, In: 2, Cu: 2, Gd: 2, Fe: 2, B: 1
次に、周期表の各元素の原子量を調べます。
Cr: 51.9961, Ni: 58.6934, Si: 28.0855, Y: 88.90585, Al: 26.9815386, Bi: 208.9804, Zn: 65.38, Sn: 118.71, Mg: 24.305, Ag: 107.8682, Sm: 150.36, Ga: 69.723, Sb: 121.76, Co: 58.933195, Mn: 54.938045, In: 114.818, Cu: 63.546, Gd: 157.25, Fe: 55.845, B: 10.811
次に、原子数と原子量の積の合計を計算します。
モル質量 (Cr2Ni2Si2Y2Al2Bi2Zn2Sn2Mg2Ag2Sm2Ga2Sb2Co2Mn2In2Cu2Gd2Fe2B) = ∑ Counti * Weighti =
Count(Cr) * Weight(Cr) + Count(Ni) * Weight(Ni) + Count(Si) * Weight(Si) + Count(Y) * Weight(Y) + Count(Al) * Weight(Al) + Count(Bi) * Weight(Bi) + Count(Zn) * Weight(Zn) + Count(Sn) * Weight(Sn) + Count(Mg) * Weight(Mg) + Count(Ag) * Weight(Ag) + Count(Sm) * Weight(Sm) + Count(Ga) * Weight(Ga) + Count(Sb) * Weight(Sb) + Count(Co) * Weight(Co) + Count(Mn) * Weight(Mn) + Count(In) * Weight(In) + Count(Cu) * Weight(Cu) + Count(Gd) * Weight(Gd) + Count(Fe) * Weight(Fe) + Count(B) * Weight(B) =
2 * 51.9961 + 2 * 58.6934 + 2 * 28.0855 + 2 * 88.90585 + 2 * 26.9815386 + 2 * 208.9804 + 2 * 65.38 + 2 * 118.71 + 2 * 24.305 + 2 * 107.8682 + 2 * 150.36 + 2 * 69.723 + 2 * 121.76 + 2 * 58.933195 + 2 * 54.938045 + 2 * 114.818 + 2 * 63.546 + 2 * 157.25 + 2 * 55.845 + 1 * 10.811 =
3264.9695 g/mol
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