まず、(La3Gd3Nd2Pr2Sm2Y2Yb2)(Hf6Zr5Sn5)O56 内の各原子の数を計算します。
O: 56, Hf: 6, Zr: 5, Sn: 5, La: 3, Gd: 3, Nd: 2, Pr: 2, Sm: 2, Y: 2, Yb: 2
次に、周期表の各元素の原子量を調べます。
O: 15.9994, Hf: 178.49, Zr: 91.224, Sn: 118.71, La: 138.90547, Gd: 157.25, Nd: 144.242, Pr: 140.90765, Sm: 150.36, Y: 88.90585, Yb: 173.054
次に、原子数と原子量の積の合計を計算します。
モル質量 ((La3Gd3Nd2Pr2Sm2Y2Yb2)(Hf6Zr5Sn5)O56) = ∑ Counti * Weighti =
Count(O) * Weight(O) + Count(Hf) * Weight(Hf) + Count(Zr) * Weight(Zr) + Count(Sn) * Weight(Sn) + Count(La) * Weight(La) + Count(Gd) * Weight(Gd) + Count(Nd) * Weight(Nd) + Count(Pr) * Weight(Pr) + Count(Sm) * Weight(Sm) + Count(Y) * Weight(Y) + Count(Yb) * Weight(Yb) =
56 * 15.9994 + 6 * 178.49 + 5 * 91.224 + 5 * 118.71 + 3 * 138.90547 + 3 * 157.25 + 2 * 144.242 + 2 * 140.90765 + 2 * 150.36 + 2 * 88.90585 + 2 * 173.054 =
5299.9818 g/mol
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