まず、HoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn 内の各原子の数を計算します。
Ho: 1, Er: 1, Tm: 1, Yb: 1, Lu: 1, Hf: 1, Ta: 1, W: 1, Re: 1, Os: 1, Ir: 1, Pt: 1, Au: 1, Hg: 1, Tl: 1, Pb: 1, Bi: 1, Po: 1, At: 1, Rn: 1
次に、周期表の各元素の原子量を調べます。
Ho: 164.93032, Er: 167.259, Tm: 168.93421, Yb: 173.054, Lu: 174.9668, Hf: 178.49, Ta: 180.94788, W: 183.84, Re: 186.207, Os: 190.23, Ir: 192.217, Pt: 195.084, Au: 196.966569, Hg: 200.59, Tl: 204.3833, Pb: 207.2, Bi: 208.9804, Po: 208.9824304, At: 209.987148, Rn: 210.990601
次に、原子数と原子量の積の合計を計算します。
モル質量 (HoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn) = ∑ Counti * Weighti =
Count(Ho) * Weight(Ho) + Count(Er) * Weight(Er) + Count(Tm) * Weight(Tm) + Count(Yb) * Weight(Yb) + Count(Lu) * Weight(Lu) + Count(Hf) * Weight(Hf) + Count(Ta) * Weight(Ta) + Count(W) * Weight(W) + Count(Re) * Weight(Re) + Count(Os) * Weight(Os) + Count(Ir) * Weight(Ir) + Count(Pt) * Weight(Pt) + Count(Au) * Weight(Au) + Count(Hg) * Weight(Hg) + Count(Tl) * Weight(Tl) + Count(Pb) * Weight(Pb) + Count(Bi) * Weight(Bi) + Count(Po) * Weight(Po) + Count(At) * Weight(At) + Count(Rn) * Weight(Rn) =
1 * 164.93032 + 1 * 167.259 + 1 * 168.93421 + 1 * 173.054 + 1 * 174.9668 + 1 * 178.49 + 1 * 180.94788 + 1 * 183.84 + 1 * 186.207 + 1 * 190.23 + 1 * 192.217 + 1 * 195.084 + 1 * 196.966569 + 1 * 200.59 + 1 * 204.3833 + 1 * 207.2 + 1 * 208.9804 + 1 * 208.9824304 + 1 * 209.987148 + 1 * 210.990601 =
3804.2407 g/mol
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