まず、HHeBLiNNaKCaOCBeMgAlFClBrICuZnAuAgFePb 内の各原子の数を計算します。
H: 1, He: 1, B: 1, Li: 1, N: 1, Na: 1, K: 1, Ca: 1, O: 1, C: 1, Be: 1, Mg: 1, Al: 1, F: 1, Cl: 1, Br: 1, I: 1, Cu: 1, Zn: 1, Au: 1, Ag: 1, Fe: 1, Pb: 1
次に、周期表の各元素の原子量を調べます。
H: 1.00794, He: 4.002602, B: 10.811, Li: 6.941, N: 14.0067, Na: 22.98976928, K: 39.0983, Ca: 40.078, O: 15.9994, C: 12.0107, Be: 9.012182, Mg: 24.305, Al: 26.9815386, F: 18.9984032, Cl: 35.453, Br: 79.904, I: 126.90447, Cu: 63.546, Zn: 65.38, Au: 196.966569, Ag: 107.8682, Fe: 55.845, Pb: 207.2
次に、原子数と原子量の積の合計を計算します。
モル質量 (HHeBLiNNaKCaOCBeMgAlFClBrICuZnAuAgFePb) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(He) * Weight(He) + Count(B) * Weight(B) + Count(Li) * Weight(Li) + Count(N) * Weight(N) + Count(Na) * Weight(Na) + Count(K) * Weight(K) + Count(Ca) * Weight(Ca) + Count(O) * Weight(O) + Count(C) * Weight(C) + Count(Be) * Weight(Be) + Count(Mg) * Weight(Mg) + Count(Al) * Weight(Al) + Count(F) * Weight(F) + Count(Cl) * Weight(Cl) + Count(Br) * Weight(Br) + Count(I) * Weight(I) + Count(Cu) * Weight(Cu) + Count(Zn) * Weight(Zn) + Count(Au) * Weight(Au) + Count(Ag) * Weight(Ag) + Count(Fe) * Weight(Fe) + Count(Pb) * Weight(Pb) =
1 * 1.00794 + 1 * 4.002602 + 1 * 10.811 + 1 * 6.941 + 1 * 14.0067 + 1 * 22.98976928 + 1 * 39.0983 + 1 * 40.078 + 1 * 15.9994 + 1 * 12.0107 + 1 * 9.012182 + 1 * 24.305 + 1 * 26.9815386 + 1 * 18.9984032 + 1 * 35.453 + 1 * 79.904 + 1 * 126.90447 + 1 * 63.546 + 1 * 65.38 + 1 * 196.966569 + 1 * 107.8682 + 1 * 55.845 + 1 * 207.2 =
1185.3098 g/mol
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