まず、Cl4S2K3Mg2I5As6Ba9Fe7Ag2Au5Y2O5B3F3WTi2Mo13H12Ir17Cr20Br2Be 内の各原子の数を計算します。
Cl: 4, S: 2, K: 3, Mg: 2, I: 5, As: 6, Ba: 9, Fe: 7, Ag: 2, Au: 5, Y: 2, O: 5, B: 3, F: 3, W: 1, Ti: 2, Mo: 13, H: 12, Ir: 17, Cr: 20, Br: 2, Be: 1
次に、周期表の各元素の原子量を調べます。
Cl: 35.453, S: 32.065, K: 39.0983, Mg: 24.305, I: 126.90447, As: 74.9216, Ba: 137.327, Fe: 55.845, Ag: 107.8682, Au: 196.966569, Y: 88.90585, O: 15.9994, B: 10.811, F: 18.9984032, W: 183.84, Ti: 47.867, Mo: 95.96, H: 1.00794, Ir: 192.217, Cr: 51.9961, Br: 79.904, Be: 9.012182
次に、原子数と原子量の積の合計を計算します。
モル質量 (Cl4S2K3Mg2I5As6Ba9Fe7Ag2Au5Y2O5B3F3WTi2Mo13H12Ir17Cr20Br2Be) = ∑ Counti * Weighti =
Count(Cl) * Weight(Cl) + Count(S) * Weight(S) + Count(K) * Weight(K) + Count(Mg) * Weight(Mg) + Count(I) * Weight(I) + Count(As) * Weight(As) + Count(Ba) * Weight(Ba) + Count(Fe) * Weight(Fe) + Count(Ag) * Weight(Ag) + Count(Au) * Weight(Au) + Count(Y) * Weight(Y) + Count(O) * Weight(O) + Count(B) * Weight(B) + Count(F) * Weight(F) + Count(W) * Weight(W) + Count(Ti) * Weight(Ti) + Count(Mo) * Weight(Mo) + Count(H) * Weight(H) + Count(Ir) * Weight(Ir) + Count(Cr) * Weight(Cr) + Count(Br) * Weight(Br) + Count(Be) * Weight(Be) =
4 * 35.453 + 2 * 32.065 + 3 * 39.0983 + 2 * 24.305 + 5 * 126.90447 + 6 * 74.9216 + 9 * 137.327 + 7 * 55.845 + 2 * 107.8682 + 5 * 196.966569 + 2 * 88.90585 + 5 * 15.9994 + 3 * 10.811 + 3 * 18.9984032 + 1 * 183.84 + 2 * 47.867 + 13 * 95.96 + 12 * 1.00794 + 17 * 192.217 + 20 * 51.9961 + 2 * 79.904 + 1 * 9.012182 =
10646.1435 g/mol
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