まず、HeNeArKrXeRnOg2CuSi2O2ThClCaCdNaLiKH 内の各原子の数を計算します。
He: 1, Ne: 1, Ar: 1, Kr: 1, Xe: 1, Rn: 1, Og: 2, Cu: 1, Si: 2, O: 2, Th: 1, Cl: 1, Ca: 1, Cd: 1, Na: 1, Li: 1, K: 1, H: 1
次に、周期表の各元素の原子量を調べます。
He: 4.002602, Ne: 20.1797, Ar: 39.948, Kr: 83.798, Xe: 131.293, Rn: 210.990601, Og: 0, Cu: 63.546, Si: 28.0855, O: 15.9994, Th: 232.03806, Cl: 35.453, Ca: 40.078, Cd: 112.411, Na: 22.98976928, Li: 6.941, K: 39.0983, H: 1.00794
次に、原子数と原子量の積の合計を計算します。
モル質量 (HeNeArKrXeRnOg2CuSi2O2ThClCaCdNaLiKH) = ∑ Counti * Weighti =
Count(He) * Weight(He) + Count(Ne) * Weight(Ne) + Count(Ar) * Weight(Ar) + Count(Kr) * Weight(Kr) + Count(Xe) * Weight(Xe) + Count(Rn) * Weight(Rn) + Count(Og) * Weight(Og) + Count(Cu) * Weight(Cu) + Count(Si) * Weight(Si) + Count(O) * Weight(O) + Count(Th) * Weight(Th) + Count(Cl) * Weight(Cl) + Count(Ca) * Weight(Ca) + Count(Cd) * Weight(Cd) + Count(Na) * Weight(Na) + Count(Li) * Weight(Li) + Count(K) * Weight(K) + Count(H) * Weight(H) =
1 * 4.002602 + 1 * 20.1797 + 1 * 39.948 + 1 * 83.798 + 1 * 131.293 + 1 * 210.990601 + 2 * 0 + 1 * 63.546 + 2 * 28.0855 + 2 * 15.9994 + 1 * 232.03806 + 1 * 35.453 + 1 * 40.078 + 1 * 112.411 + 1 * 22.98976928 + 1 * 6.941 + 1 * 39.0983 + 1 * 1.00794 =
1131.9448 g/mol
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