まず、HHeONaCFeBBeNeYKTiRbCsFrLi 内の各原子の数を計算します。
H: 1, He: 1, O: 1, Na: 1, C: 1, Fe: 1, B: 1, Be: 1, Ne: 1, Y: 1, K: 1, Ti: 1, Rb: 1, Cs: 1, Fr: 1, Li: 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, O: 15.9994, Na: 22.98976928, C: 12.0107, Fe: 55.845, B: 10.811, Be: 9.012182, Ne: 20.1797, Y: 88.90585, K: 39.0983, Ti: 47.867, Rb: 85.4678, Cs: 132.9054519, Fr: 223.0197359, Li: 6.941
次に、原子数と原子量の積の合計を計算します。
モル質量 (HHeONaCFeBBeNeYKTiRbCsFrLi) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(He) * Weight(He) + Count(O) * Weight(O) + Count(Na) * Weight(Na) + Count(C) * Weight(C) + Count(Fe) * Weight(Fe) + Count(B) * Weight(B) + Count(Be) * Weight(Be) + Count(Ne) * Weight(Ne) + Count(Y) * Weight(Y) + Count(K) * Weight(K) + Count(Ti) * Weight(Ti) + Count(Rb) * Weight(Rb) + Count(Cs) * Weight(Cs) + Count(Fr) * Weight(Fr) + Count(Li) * Weight(Li) =
1 * 1.00794 + 1 * 4.002602 + 1 * 15.9994 + 1 * 22.98976928 + 1 * 12.0107 + 1 * 55.845 + 1 * 10.811 + 1 * 9.012182 + 1 * 20.1797 + 1 * 88.90585 + 1 * 39.0983 + 1 * 47.867 + 1 * 85.4678 + 1 * 132.9054519 + 1 * 223.0197359 + 1 * 6.941 =
776.0634 g/mol
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