まず、Al8Pb4Ir3Au10Li6K4Na5C6H8N4O3I5P4S3Cl8F4Se82HHe8B4 内の各原子の数を計算します。
Al: 8, Pb: 4, Ir: 3, Au: 10, Li: 6, K: 4, Na: 5, C: 6, H: 9, N: 4, O: 3, I: 5, P: 4, S: 3, Cl: 8, F: 4, Se: 82, He: 8, B: 4
次に、周期表の各元素の原子量を調べます。
Al: 26.9815386, Pb: 207.2, Ir: 192.217, Au: 196.966569, Li: 6.941, K: 39.0983, Na: 22.98976928, C: 12.0107, H: 1.00794, N: 14.0067, O: 15.9994, I: 126.90447, P: 30.973762, S: 32.065, Cl: 35.453, F: 18.9984032, Se: 78.96, He: 4.002602, 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 (Al8Pb4Ir3Au10Li6K4Na5C6H8N4O3I5P4S3Cl8F4Se82HHe8B4) = ∑ Counti * Weighti =
Count(Al) * Weight(Al) + Count(Pb) * Weight(Pb) + Count(Ir) * Weight(Ir) + Count(Au) * Weight(Au) + Count(Li) * Weight(Li) + Count(K) * Weight(K) + Count(Na) * Weight(Na) + Count(C) * Weight(C) + Count(H) * Weight(H) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(I) * Weight(I) + Count(P) * Weight(P) + Count(S) * Weight(S) + Count(Cl) * Weight(Cl) + Count(F) * Weight(F) + Count(Se) * Weight(Se) + Count(He) * Weight(He) + Count(B) * Weight(B) =
8 * 26.9815386 + 4 * 207.2 + 3 * 192.217 + 10 * 196.966569 + 6 * 6.941 + 4 * 39.0983 + 5 * 22.98976928 + 6 * 12.0107 + 9 * 1.00794 + 4 * 14.0067 + 3 * 15.9994 + 5 * 126.90447 + 4 * 30.973762 + 3 * 32.065 + 8 * 35.453 + 4 * 18.9984032 + 82 * 78.96 + 8 * 4.002602 + 4 * 10.811 =
11853.3325 g/mol
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