まず、HHeLiBeBCNOFNeNaMgAlSIPSClArKCAsCTiVCrMnFrCONICUZnGaGeAsSeBr 内の各原子の数を計算します。
H: 1, He: 1, Li: 1, Be: 1, B: 1, C: 5, N: 2, O: 2, F: 1, Ne: 1, Na: 1, Mg: 1, Al: 1, S: 2, I: 2, P: 1, Cl: 1, Ar: 1, K: 1, As: 2, Ti: 1, V: 1, Cr: 1, Mn: 1, Fr: 1, U: 1, Zn: 1, Ga: 1, Ge: 1, Se: 1, Br: 1
次に、周期表の各元素の原子量を調べます。
H: 1.00794, He: 4.002602, Li: 6.941, Be: 9.012182, B: 10.811, C: 12.0107, N: 14.0067, O: 15.9994, F: 18.9984032, Ne: 20.1797, Na: 22.98976928, Mg: 24.305, Al: 26.9815386, S: 32.065, I: 126.90447, P: 30.973762, Cl: 35.453, Ar: 39.948, K: 39.0983, As: 74.9216, Ti: 47.867, V: 50.9415, Cr: 51.9961, Mn: 54.938045, Fr: 223.0197359, U: 238.02891, Zn: 65.38, Ga: 69.723, Ge: 72.64, Se: 78.96, Br: 79.904
次に、原子数と原子量の積の合計を計算します。
モル質量 (HHeLiBeBCNOFNeNaMgAlSIPSClArKCAsCTiVCrMnFrCONICUZnGaGeAsSeBr) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(He) * Weight(He) + Count(Li) * Weight(Li) + Count(Be) * Weight(Be) + Count(B) * Weight(B) + Count(C) * Weight(C) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(F) * Weight(F) + Count(Ne) * Weight(Ne) + Count(Na) * Weight(Na) + Count(Mg) * Weight(Mg) + Count(Al) * Weight(Al) + Count(S) * Weight(S) + Count(I) * Weight(I) + Count(P) * Weight(P) + Count(Cl) * Weight(Cl) + Count(Ar) * Weight(Ar) + Count(K) * Weight(K) + Count(As) * Weight(As) + Count(Ti) * Weight(Ti) + Count(V) * Weight(V) + Count(Cr) * Weight(Cr) + Count(Mn) * Weight(Mn) + Count(Fr) * Weight(Fr) + Count(U) * Weight(U) + Count(Zn) * Weight(Zn) + Count(Ga) * Weight(Ga) + Count(Ge) * Weight(Ge) + Count(Se) * Weight(Se) + Count(Br) * Weight(Br) =
1 * 1.00794 + 1 * 4.002602 + 1 * 6.941 + 1 * 9.012182 + 1 * 10.811 + 5 * 12.0107 + 2 * 14.0067 + 2 * 15.9994 + 1 * 18.9984032 + 1 * 20.1797 + 1 * 22.98976928 + 1 * 24.305 + 1 * 26.9815386 + 2 * 32.065 + 2 * 126.90447 + 1 * 30.973762 + 1 * 35.453 + 1 * 39.948 + 1 * 39.0983 + 2 * 74.9216 + 1 * 47.867 + 1 * 50.9415 + 1 * 51.9961 + 1 * 54.938045 + 1 * 223.0197359 + 1 * 238.02891 + 1 * 65.38 + 1 * 69.723 + 1 * 72.64 + 1 * 78.96 + 1 * 79.904 =
1911.9483 g/mol
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