まず、Br27O5C35H7N40PbH500LrBhAg12H50AtRnRaReOsRb3WHfYFrU17PaThLu 内の各原子の数を計算します。
Br: 27, O: 5, C: 35, H: 557, N: 40, Pb: 1, Lr: 1, Bh: 1, Ag: 12, At: 1, Rn: 1, Ra: 1, Re: 1, Os: 1, Rb: 3, W: 1, Hf: 1, Y: 1, Fr: 1, U: 17, Pa: 1, Th: 1, Lu: 1
次に、周期表の各元素の原子量を調べます。
Br: 79.904, O: 15.9994, C: 12.0107, H: 1.00794, N: 14.0067, Pb: 207.2, Lr: 262.10963, Bh: 272.13803, Ag: 107.8682, At: 209.987148, Rn: 210.990601, Ra: 226.0254098, Re: 186.207, Os: 190.23, Rb: 85.4678, W: 183.84, Hf: 178.49, Y: 88.90585, Fr: 223.0197359, U: 238.02891, Pa: 231.03588, Th: 232.03806, Lu: 174.9668
次に、原子数と原子量の積の合計を計算します。
モル質量 (Br27O5C35H7N40PbH500LrBhAg12H50AtRnRaReOsRb3WHfYFrU17PaThLu) = ∑ Counti * Weighti =
Count(Br) * Weight(Br) + Count(O) * Weight(O) + Count(C) * Weight(C) + Count(H) * Weight(H) + Count(N) * Weight(N) + Count(Pb) * Weight(Pb) + Count(Lr) * Weight(Lr) + Count(Bh) * Weight(Bh) + Count(Ag) * Weight(Ag) + Count(At) * Weight(At) + Count(Rn) * Weight(Rn) + Count(Ra) * Weight(Ra) + Count(Re) * Weight(Re) + Count(Os) * Weight(Os) + Count(Rb) * Weight(Rb) + Count(W) * Weight(W) + Count(Hf) * Weight(Hf) + Count(Y) * Weight(Y) + Count(Fr) * Weight(Fr) + Count(U) * Weight(U) + Count(Pa) * Weight(Pa) + Count(Th) * Weight(Th) + Count(Lu) * Weight(Lu) =
27 * 79.904 + 5 * 15.9994 + 35 * 12.0107 + 557 * 1.00794 + 40 * 14.0067 + 1 * 207.2 + 1 * 262.10963 + 1 * 272.13803 + 12 * 107.8682 + 1 * 209.987148 + 1 * 210.990601 + 1 * 226.0254098 + 1 * 186.207 + 1 * 190.23 + 3 * 85.4678 + 1 * 183.84 + 1 * 178.49 + 1 * 88.90585 + 1 * 223.0197359 + 17 * 238.02891 + 1 * 231.03588 + 1 * 232.03806 + 1 * 174.9668 =
12453.9675 g/mol
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