まず、MnNaXeKrArHeNeKCrClSiFBVAsBrISeHgCsAl 内の各原子の数を計算します。
Mn: 1, Na: 1, Xe: 1, Kr: 1, Ar: 1, He: 1, Ne: 1, K: 1, Cr: 1, Cl: 1, Si: 1, F: 1, B: 1, V: 1, As: 1, Br: 1, I: 1, Se: 1, Hg: 1, Cs: 1, Al: 1
次に、周期表の各元素の原子量を調べます。
Mn: 54.938045, Na: 22.98976928, Xe: 131.293, Kr: 83.798, Ar: 39.948, He: 4.002602, Ne: 20.1797, K: 39.0983, Cr: 51.9961, Cl: 35.453, Si: 28.0855, F: 18.9984032, B: 10.811, V: 50.9415, As: 74.9216, Br: 79.904, I: 126.90447, Se: 78.96, Hg: 200.59, Cs: 132.9054519, Al: 26.9815386
次に、原子数と原子量の積の合計を計算します。
モル質量 (MnNaXeKrArHeNeKCrClSiFBVAsBrISeHgCsAl) = ∑ Counti * Weighti =
Count(Mn) * Weight(Mn) + Count(Na) * Weight(Na) + Count(Xe) * Weight(Xe) + Count(Kr) * Weight(Kr) + Count(Ar) * Weight(Ar) + Count(He) * Weight(He) + Count(Ne) * Weight(Ne) + Count(K) * Weight(K) + Count(Cr) * Weight(Cr) + Count(Cl) * Weight(Cl) + Count(Si) * Weight(Si) + Count(F) * Weight(F) + Count(B) * Weight(B) + Count(V) * Weight(V) + Count(As) * Weight(As) + Count(Br) * Weight(Br) + Count(I) * Weight(I) + Count(Se) * Weight(Se) + Count(Hg) * Weight(Hg) + Count(Cs) * Weight(Cs) + Count(Al) * Weight(Al) =
1 * 54.938045 + 1 * 22.98976928 + 1 * 131.293 + 1 * 83.798 + 1 * 39.948 + 1 * 4.002602 + 1 * 20.1797 + 1 * 39.0983 + 1 * 51.9961 + 1 * 35.453 + 1 * 28.0855 + 1 * 18.9984032 + 1 * 10.811 + 1 * 50.9415 + 1 * 74.9216 + 1 * 79.904 + 1 * 126.90447 + 1 * 78.96 + 1 * 200.59 + 1 * 132.9054519 + 1 * 26.9815386 =
1313.7000 g/mol
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