まず、C3Ca5H16Be2K8I3Pt2Rb2Na5CdSO4CaOAl2FeO3Li3Es4RfAcW4Bh2U90Cf5 内の各原子の数を計算します。
C: 3, Ca: 6, H: 16, Be: 2, K: 8, I: 3, Pt: 2, Rb: 2, Na: 5, Cd: 1, S: 1, O: 8, Al: 2, Fe: 1, Li: 3, Es: 4, Rf: 1, Ac: 1, W: 4, Bh: 2, U: 90, Cf: 5
次に、周期表の各元素の原子量を調べます。
C: 12.0107, Ca: 40.078, H: 1.00794, Be: 9.012182, K: 39.0983, I: 126.90447, Pt: 195.084, Rb: 85.4678, Na: 22.98976928, Cd: 112.411, S: 32.065, O: 15.9994, Al: 26.9815386, Fe: 55.845, Li: 6.941, Es: 252.08298, Rf: 265.1167, Ac: 227.0277521, W: 183.84, Bh: 272.13803, U: 238.02891, Cf: 249.0748535
次に、原子数と原子量の積の合計を計算します。
モル質量 (C3Ca5H16Be2K8I3Pt2Rb2Na5CdSO4CaOAl2FeO3Li3Es4RfAcW4Bh2U90Cf5) = ∑ Counti * Weighti =
Count(C) * Weight(C) + Count(Ca) * Weight(Ca) + Count(H) * Weight(H) + Count(Be) * Weight(Be) + Count(K) * Weight(K) + Count(I) * Weight(I) + Count(Pt) * Weight(Pt) + Count(Rb) * Weight(Rb) + Count(Na) * Weight(Na) + Count(Cd) * Weight(Cd) + Count(S) * Weight(S) + Count(O) * Weight(O) + Count(Al) * Weight(Al) + Count(Fe) * Weight(Fe) + Count(Li) * Weight(Li) + Count(Es) * Weight(Es) + Count(Rf) * Weight(Rf) + Count(Ac) * Weight(Ac) + Count(W) * Weight(W) + Count(Bh) * Weight(Bh) + Count(U) * Weight(U) + Count(Cf) * Weight(Cf) =
3 * 12.0107 + 6 * 40.078 + 16 * 1.00794 + 2 * 9.012182 + 8 * 39.0983 + 3 * 126.90447 + 2 * 195.084 + 2 * 85.4678 + 5 * 22.98976928 + 1 * 112.411 + 1 * 32.065 + 8 * 15.9994 + 2 * 26.9815386 + 1 * 55.845 + 3 * 6.941 + 4 * 252.08298 + 1 * 265.1167 + 1 * 227.0277521 + 4 * 183.84 + 2 * 272.13803 + 90 * 238.02891 + 5 * 249.0748535 =
27531.3946 g/mol
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