まず、HHeLiBeBOPFKMgMnRnRaUNNeNpPtAgAuMgFrLuTh30TeTa 内の各原子の数を計算します。
H: 1, He: 1, Li: 1, Be: 1, B: 1, O: 1, P: 1, F: 1, K: 1, Mg: 2, Mn: 1, Rn: 1, Ra: 1, U: 1, N: 1, Ne: 1, Np: 1, Pt: 1, Ag: 1, Au: 1, Fr: 1, Lu: 1, Th: 30, Te: 1, Ta: 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, Li: 6.941, Be: 9.012182, B: 10.811, O: 15.9994, P: 30.973762, F: 18.9984032, K: 39.0983, Mg: 24.305, Mn: 54.938045, Rn: 210.990601, Ra: 226.0254098, U: 238.02891, N: 14.0067, Ne: 20.1797, Np: 236.04657, Pt: 195.084, Ag: 107.8682, Au: 196.966569, Fr: 223.0197359, Lu: 174.9668, Th: 232.03806, Te: 127.6, Ta: 180.94788
次に、原子数と原子量の積の合計を計算します。
モル質量 (HHeLiBeBOPFKMgMnRnRaUNNeNpPtAgAuMgFrLuTh30TeTa) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(He) * Weight(He) + Count(Li) * Weight(Li) + Count(Be) * Weight(Be) + Count(B) * Weight(B) + Count(O) * Weight(O) + Count(P) * Weight(P) + Count(F) * Weight(F) + Count(K) * Weight(K) + Count(Mg) * Weight(Mg) + Count(Mn) * Weight(Mn) + Count(Rn) * Weight(Rn) + Count(Ra) * Weight(Ra) + Count(U) * Weight(U) + Count(N) * Weight(N) + Count(Ne) * Weight(Ne) + Count(Np) * Weight(Np) + Count(Pt) * Weight(Pt) + Count(Ag) * Weight(Ag) + Count(Au) * Weight(Au) + Count(Fr) * Weight(Fr) + Count(Lu) * Weight(Lu) + Count(Th) * Weight(Th) + Count(Te) * Weight(Te) + Count(Ta) * Weight(Ta) =
1 * 1.00794 + 1 * 4.002602 + 1 * 6.941 + 1 * 9.012182 + 1 * 10.811 + 1 * 15.9994 + 1 * 30.973762 + 1 * 18.9984032 + 1 * 39.0983 + 2 * 24.305 + 1 * 54.938045 + 1 * 210.990601 + 1 * 226.0254098 + 1 * 238.02891 + 1 * 14.0067 + 1 * 20.1797 + 1 * 236.04657 + 1 * 195.084 + 1 * 107.8682 + 1 * 196.966569 + 1 * 223.0197359 + 1 * 174.9668 + 30 * 232.03806 + 1 * 127.6 + 1 * 180.94788 =
9353.2655 g/mol
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