まず、HLiNaKRbCsFrRaBaSrOAgPbNeHeAuXeNbHfAcThPaUNpPuAmCmBkCfAsTcTl 内の各原子の数を計算します。
H: 1, Li: 1, Na: 1, K: 1, Rb: 1, Cs: 1, Fr: 1, Ra: 1, Ba: 1, Sr: 1, O: 1, Ag: 1, Pb: 1, Ne: 1, He: 1, Au: 1, Xe: 1, Nb: 1, Hf: 1, Ac: 1, Th: 1, Pa: 1, U: 1, Np: 1, Pu: 1, Am: 1, Cm: 1, Bk: 1, Cf: 1, As: 1, Tc: 1, Tl: 1
次に、周期表の各元素の原子量を調べます。
H: 1.00794, Li: 6.941, Na: 22.98976928, K: 39.0983, Rb: 85.4678, Cs: 132.9054519, Fr: 223.0197359, Ra: 226.0254098, Ba: 137.327, Sr: 87.62, O: 15.9994, Ag: 107.8682, Pb: 207.2, Ne: 20.1797, He: 4.002602, Au: 196.966569, Xe: 131.293, Nb: 92.90638, Hf: 178.49, Ac: 227.0277521, Th: 232.03806, Pa: 231.03588, U: 238.02891, Np: 236.04657, Pu: 238.0495599, Am: 241.0568291, Cm: 243.0613891, Bk: 247.070307, Cf: 249.0748535, As: 74.9216, Tc: 96.906365, Tl: 204.3833
次に、原子数と原子量の積の合計を計算します。
モル質量 (HLiNaKRbCsFrRaBaSrOAgPbNeHeAuXeNbHfAcThPaUNpPuAmCmBkCfAsTcTl) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(Li) * Weight(Li) + Count(Na) * Weight(Na) + Count(K) * Weight(K) + Count(Rb) * Weight(Rb) + Count(Cs) * Weight(Cs) + Count(Fr) * Weight(Fr) + Count(Ra) * Weight(Ra) + Count(Ba) * Weight(Ba) + Count(Sr) * Weight(Sr) + Count(O) * Weight(O) + Count(Ag) * Weight(Ag) + Count(Pb) * Weight(Pb) + Count(Ne) * Weight(Ne) + Count(He) * Weight(He) + Count(Au) * Weight(Au) + Count(Xe) * Weight(Xe) + Count(Nb) * Weight(Nb) + Count(Hf) * Weight(Hf) + Count(Ac) * Weight(Ac) + Count(Th) * Weight(Th) + Count(Pa) * Weight(Pa) + Count(U) * Weight(U) + Count(Np) * Weight(Np) + Count(Pu) * Weight(Pu) + Count(Am) * Weight(Am) + Count(Cm) * Weight(Cm) + Count(Bk) * Weight(Bk) + Count(Cf) * Weight(Cf) + Count(As) * Weight(As) + Count(Tc) * Weight(Tc) + Count(Tl) * Weight(Tl) =
1 * 1.00794 + 1 * 6.941 + 1 * 22.98976928 + 1 * 39.0983 + 1 * 85.4678 + 1 * 132.9054519 + 1 * 223.0197359 + 1 * 226.0254098 + 1 * 137.327 + 1 * 87.62 + 1 * 15.9994 + 1 * 107.8682 + 1 * 207.2 + 1 * 20.1797 + 1 * 4.002602 + 1 * 196.966569 + 1 * 131.293 + 1 * 92.90638 + 1 * 178.49 + 1 * 227.0277521 + 1 * 232.03806 + 1 * 231.03588 + 1 * 238.02891 + 1 * 236.04657 + 1 * 238.0495599 + 1 * 241.0568291 + 1 * 243.0613891 + 1 * 247.070307 + 1 * 249.0748535 + 1 * 74.9216 + 1 * 96.906365 + 1 * 204.3833 =
4676.0096 g/mol
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