まず、HHeLiBeBCNOFNeArXeSnSbNaClAlCuAgAuUPNeAmSgHgWWWWWWWWWWWWWWWW 内の各原子の数を計算します。
H: 1, He: 1, Li: 1, Be: 1, B: 1, C: 1, N: 1, O: 1, F: 1, Ne: 2, Ar: 1, Xe: 1, Sn: 1, Sb: 1, Na: 1, Cl: 1, Al: 1, Cu: 1, Ag: 1, Au: 1, U: 1, P: 1, Am: 1, Sg: 1, Hg: 1, W: 16
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, C: 12.0107, N: 14.0067, O: 15.9994, F: 18.9984032, Ne: 20.1797, Ar: 39.948, Xe: 131.293, Sn: 118.71, Sb: 121.76, Na: 22.98976928, Cl: 35.453, Al: 26.9815386, Cu: 63.546, Ag: 107.8682, Au: 196.966569, U: 238.02891, P: 30.973762, Am: 241.0568291, Sg: 271.13347, Hg: 200.59, W: 183.84
次に、原子数と原子量の積の合計を計算します。
モル質量 (HHeLiBeBCNOFNeArXeSnSbNaClAlCuAgAuUPNeAmSgHgWWWWWWWWWWWWWWWW) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(He) * Weight(He) + Count(Li) * Weight(Li) + Count(Be) * Weight(Be) + Count(B) * Weight(B) + Count(C) * Weight(C) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(F) * Weight(F) + Count(Ne) * Weight(Ne) + Count(Ar) * Weight(Ar) + Count(Xe) * Weight(Xe) + Count(Sn) * Weight(Sn) + Count(Sb) * Weight(Sb) + Count(Na) * Weight(Na) + Count(Cl) * Weight(Cl) + Count(Al) * Weight(Al) + Count(Cu) * Weight(Cu) + Count(Ag) * Weight(Ag) + Count(Au) * Weight(Au) + Count(U) * Weight(U) + Count(P) * Weight(P) + Count(Am) * Weight(Am) + Count(Sg) * Weight(Sg) + Count(Hg) * Weight(Hg) + Count(W) * Weight(W) =
1 * 1.00794 + 1 * 4.002602 + 1 * 6.941 + 1 * 9.012182 + 1 * 10.811 + 1 * 12.0107 + 1 * 14.0067 + 1 * 15.9994 + 1 * 18.9984032 + 2 * 20.1797 + 1 * 39.948 + 1 * 131.293 + 1 * 118.71 + 1 * 121.76 + 1 * 22.98976928 + 1 * 35.453 + 1 * 26.9815386 + 1 * 63.546 + 1 * 107.8682 + 1 * 196.966569 + 1 * 238.02891 + 1 * 30.973762 + 1 * 241.0568291 + 1 * 271.13347 + 1 * 200.59 + 16 * 183.84 =
4921.8884 g/mol
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