まず、PO(Po3U5Ac2ThSO4)CuMnCOOHXeBNe8Rn16O3FrRaPa 内の各原子の数を計算します。
P: 1, O: 10, Cu: 1, Mn: 1, C: 1, H: 1, Xe: 1, B: 1, Ne: 8, Rn: 16, Fr: 1, Ra: 1, Pa: 1, Po: 3, U: 5, Ac: 2, Th: 1, S: 1
次に、周期表の各元素の原子量を調べます。
P: 30.973762, O: 15.9994, Cu: 63.546, Mn: 54.938045, C: 12.0107, H: 1.00794, Xe: 131.293, B: 10.811, Ne: 20.1797, Rn: 210.990601, Fr: 223.0197359, Ra: 226.0254098, Pa: 231.03588, Po: 208.9824304, U: 238.02891, Ac: 227.0277521, Th: 232.03806, S: 32.065
次に、原子数と原子量の積の合計を計算します。
モル質量 (PO(Po3U5Ac2ThSO4)CuMnCOOHXeBNe8Rn16O3FrRaPa) = ∑ Counti * Weighti =
Count(P) * Weight(P) + Count(O) * Weight(O) + Count(Cu) * Weight(Cu) + Count(Mn) * Weight(Mn) + Count(C) * Weight(C) + Count(H) * Weight(H) + Count(Xe) * Weight(Xe) + Count(B) * Weight(B) + Count(Ne) * Weight(Ne) + Count(Rn) * Weight(Rn) + Count(Fr) * Weight(Fr) + Count(Ra) * Weight(Ra) + Count(Pa) * Weight(Pa) + Count(Po) * Weight(Po) + Count(U) * Weight(U) + Count(Ac) * Weight(Ac) + Count(Th) * Weight(Th) + Count(S) * Weight(S) =
1 * 30.973762 + 10 * 15.9994 + 1 * 63.546 + 1 * 54.938045 + 1 * 12.0107 + 1 * 1.00794 + 1 * 131.293 + 1 * 10.811 + 8 * 20.1797 + 16 * 210.990601 + 1 * 223.0197359 + 1 * 226.0254098 + 1 * 231.03588 + 3 * 208.9824304 + 5 * 238.02891 + 2 * 227.0277521 + 1 * 232.03806 + 1 * 32.065 =
7217.1931 g/mol
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