まず、HLiNaPRbCsFrBeMgCaSrBaRaBGaInTl 内の各原子の数を計算します。
H: 1, Li: 1, Na: 1, P: 1, Rb: 1, Cs: 1, Fr: 1, Be: 1, Mg: 1, Ca: 1, Sr: 1, Ba: 1, Ra: 1, B: 1, Ga: 1, In: 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, P: 30.973762, Rb: 85.4678, Cs: 132.9054519, Fr: 223.0197359, Be: 9.012182, Mg: 24.305, Ca: 40.078, Sr: 87.62, Ba: 137.327, Ra: 226.0254098, B: 10.811, Ga: 69.723, In: 114.818, 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 (HLiNaPRbCsFrBeMgCaSrBaRaBGaInTl) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(Li) * Weight(Li) + Count(Na) * Weight(Na) + Count(P) * Weight(P) + Count(Rb) * Weight(Rb) + Count(Cs) * Weight(Cs) + Count(Fr) * Weight(Fr) + Count(Be) * Weight(Be) + Count(Mg) * Weight(Mg) + Count(Ca) * Weight(Ca) + Count(Sr) * Weight(Sr) + Count(Ba) * Weight(Ba) + Count(Ra) * Weight(Ra) + Count(B) * Weight(B) + Count(Ga) * Weight(Ga) + Count(In) * Weight(In) + Count(Tl) * Weight(Tl) =
1 * 1.00794 + 1 * 6.941 + 1 * 22.98976928 + 1 * 30.973762 + 1 * 85.4678 + 1 * 132.9054519 + 1 * 223.0197359 + 1 * 9.012182 + 1 * 24.305 + 1 * 40.078 + 1 * 87.62 + 1 * 137.327 + 1 * 226.0254098 + 1 * 10.811 + 1 * 69.723 + 1 * 114.818 + 1 * 204.3833 =
1427.4084 g/mol
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