まず、PO(Po3U5Ac2ThSO4)CuMnCOOH 内の各原子の数を計算します。
P: 1, O: 7, Cu: 1, Mn: 1, C: 1, H: 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, 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)CuMnCOOH) = ∑ 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(Po) * Weight(Po) + Count(U) * Weight(U) + Count(Ac) * Weight(Ac) + Count(Th) * Weight(Th) + Count(S) * Weight(S) =
1 * 30.973762 + 7 * 15.9994 + 1 * 63.546 + 1 * 54.938045 + 1 * 12.0107 + 1 * 1.00794 + 3 * 208.9824304 + 5 * 238.02891 + 2 * 227.0277521 + 1 * 232.03806 + 1 * 32.065 =
2809.7227 g/mol
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