まず、CuSO4H2OCaNaPbFeClFSnAuNeHeKKrAgGaGeLiURbAgCs 内の各原子の数を計算します。
Cu: 1, S: 1, O: 5, H: 2, Ca: 1, Na: 1, Pb: 1, Fe: 1, Cl: 1, F: 1, Sn: 1, Au: 1, Ne: 1, He: 1, K: 1, Kr: 1, Ag: 2, Ga: 1, Ge: 1, Li: 1, U: 1, Rb: 1, Cs: 1
次に、周期表の各元素の原子量を調べます。
Cu: 63.546, S: 32.065, O: 15.9994, H: 1.00794, Ca: 40.078, Na: 22.98976928, Pb: 207.2, Fe: 55.845, Cl: 35.453, F: 18.9984032, Sn: 118.71, Au: 196.966569, Ne: 20.1797, He: 4.002602, K: 39.0983, Kr: 83.798, Ag: 107.8682, Ga: 69.723, Ge: 72.64, Li: 6.941, U: 238.02891, Rb: 85.4678, Cs: 132.9054519
次に、原子数と原子量の積の合計を計算します。
モル質量 (CuSO4H2OCaNaPbFeClFSnAuNeHeKKrAgGaGeLiURbAgCs) = ∑ Counti * Weighti =
Count(Cu) * Weight(Cu) + Count(S) * Weight(S) + Count(O) * Weight(O) + Count(H) * Weight(H) + Count(Ca) * Weight(Ca) + Count(Na) * Weight(Na) + Count(Pb) * Weight(Pb) + Count(Fe) * Weight(Fe) + Count(Cl) * Weight(Cl) + Count(F) * Weight(F) + Count(Sn) * Weight(Sn) + Count(Au) * Weight(Au) + Count(Ne) * Weight(Ne) + Count(He) * Weight(He) + Count(K) * Weight(K) + Count(Kr) * Weight(Kr) + Count(Ag) * Weight(Ag) + Count(Ga) * Weight(Ga) + Count(Ge) * Weight(Ge) + Count(Li) * Weight(Li) + Count(U) * Weight(U) + Count(Rb) * Weight(Rb) + Count(Cs) * Weight(Cs) =
1 * 63.546 + 1 * 32.065 + 5 * 15.9994 + 2 * 1.00794 + 1 * 40.078 + 1 * 22.98976928 + 1 * 207.2 + 1 * 55.845 + 1 * 35.453 + 1 * 18.9984032 + 1 * 118.71 + 1 * 196.966569 + 1 * 20.1797 + 1 * 4.002602 + 1 * 39.0983 + 1 * 83.798 + 2 * 107.8682 + 1 * 69.723 + 1 * 72.64 + 1 * 6.941 + 1 * 238.02891 + 1 * 85.4678 + 1 * 132.9054519 =
1842.3858 g/mol
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