まず、HeNeArKrXeU9HK12Na54Li99Cl2Br6Am7S19Sr5Ag7Pb8C12F13I4EsHg6 内の各原子の数を計算します。
He: 1, Ne: 1, Ar: 1, Kr: 1, Xe: 1, U: 9, H: 1, K: 12, Na: 54, Li: 99, Cl: 2, Br: 6, Am: 7, S: 19, Sr: 5, Ag: 7, Pb: 8, C: 12, F: 13, I: 4, Es: 1, Hg: 6
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, U: 238.02891, H: 1.00794, K: 39.0983, Na: 22.98976928, Li: 6.941, Cl: 35.453, Br: 79.904, Am: 241.0568291, S: 32.065, Sr: 87.62, Ag: 107.8682, Pb: 207.2, C: 12.0107, F: 18.9984032, I: 126.90447, Es: 252.08298, Hg: 200.59
次に、原子数と原子量の積の合計を計算します。
モル質量 (HeNeArKrXeU9HK12Na54Li99Cl2Br6Am7S19Sr5Ag7Pb8C12F13I4EsHg6) = ∑ Counti * Weighti =
Count(He) * Weight(He) + Count(Ne) * Weight(Ne) + Count(Ar) * Weight(Ar) + Count(Kr) * Weight(Kr) + Count(Xe) * Weight(Xe) + Count(U) * Weight(U) + Count(H) * Weight(H) + Count(K) * Weight(K) + Count(Na) * Weight(Na) + Count(Li) * Weight(Li) + Count(Cl) * Weight(Cl) + Count(Br) * Weight(Br) + Count(Am) * Weight(Am) + Count(S) * Weight(S) + Count(Sr) * Weight(Sr) + Count(Ag) * Weight(Ag) + Count(Pb) * Weight(Pb) + Count(C) * Weight(C) + Count(F) * Weight(F) + Count(I) * Weight(I) + Count(Es) * Weight(Es) + Count(Hg) * Weight(Hg) =
1 * 4.002602 + 1 * 20.1797 + 1 * 39.948 + 1 * 83.798 + 1 * 131.293 + 9 * 238.02891 + 1 * 1.00794 + 12 * 39.0983 + 54 * 22.98976928 + 99 * 6.941 + 2 * 35.453 + 6 * 79.904 + 7 * 241.0568291 + 19 * 32.065 + 5 * 87.62 + 7 * 107.8682 + 8 * 207.2 + 12 * 12.0107 + 13 * 18.9984032 + 4 * 126.90447 + 1 * 252.08298 + 6 * 200.59 =
12872.3643 g/mol
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