まず、BeBCMgAlSiPSBaLaCe 内の各原子の数を計算します。
Be: 1, B: 1, C: 1, Mg: 1, Al: 1, Si: 1, P: 1, S: 1, Ba: 1, La: 1, Ce: 1
次に、周期表の各元素の原子量を調べます。
Be: 9.012182, B: 10.811, C: 12.0107, Mg: 24.305, Al: 26.9815386, Si: 28.0855, P: 30.973762, S: 32.065, Ba: 137.327, La: 138.90547, Ce: 140.116
次に、原子数と原子量の積の合計を計算します。
モル質量 (BeBCMgAlSiPSBaLaCe) = ∑ Counti * Weighti =
Count(Be) * Weight(Be) + Count(B) * Weight(B) + Count(C) * Weight(C) + Count(Mg) * Weight(Mg) + Count(Al) * Weight(Al) + Count(Si) * Weight(Si) + Count(P) * Weight(P) + Count(S) * Weight(S) + Count(Ba) * Weight(Ba) + Count(La) * Weight(La) + Count(Ce) * Weight(Ce) =
1 * 9.012182 + 1 * 10.811 + 1 * 12.0107 + 1 * 24.305 + 1 * 26.9815386 + 1 * 28.0855 + 1 * 30.973762 + 1 * 32.065 + 1 * 137.327 + 1 * 138.90547 + 1 * 140.116 =
590.5932 g/mol
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