まず、ArH13He10K3Li2Mn7Ne5O2P8Pt7S3SbSe2SnU9NbMoOs 内の各原子の数を計算します。
Ar: 1, H: 13, He: 10, K: 3, Li: 2, Mn: 7, Ne: 5, O: 2, P: 8, Pt: 7, S: 3, Sb: 1, Se: 2, Sn: 1, U: 9, Nb: 1, Mo: 1, Os: 1
次に、周期表の各元素の原子量を調べます。
Ar: 39.948, H: 1.00794, He: 4.002602, K: 39.0983, Li: 6.941, Mn: 54.938045, Ne: 20.1797, O: 15.9994, P: 30.973762, Pt: 195.084, S: 32.065, Sb: 121.76, Se: 78.96, Sn: 118.71, U: 238.02891, Nb: 92.90638, Mo: 95.96, Os: 190.23
次に、原子数と原子量の積の合計を計算します。
モル質量 (ArH13He10K3Li2Mn7Ne5O2P8Pt7S3SbSe2SnU9NbMoOs) = ∑ Counti * Weighti =
Count(Ar) * Weight(Ar) + Count(H) * Weight(H) + Count(He) * Weight(He) + Count(K) * Weight(K) + Count(Li) * Weight(Li) + Count(Mn) * Weight(Mn) + Count(Ne) * Weight(Ne) + Count(O) * Weight(O) + Count(P) * Weight(P) + Count(Pt) * Weight(Pt) + Count(S) * Weight(S) + Count(Sb) * Weight(Sb) + Count(Se) * Weight(Se) + Count(Sn) * Weight(Sn) + Count(U) * Weight(U) + Count(Nb) * Weight(Nb) + Count(Mo) * Weight(Mo) + Count(Os) * Weight(Os) =
1 * 39.948 + 13 * 1.00794 + 10 * 4.002602 + 3 * 39.0983 + 2 * 6.941 + 7 * 54.938045 + 5 * 20.1797 + 2 * 15.9994 + 8 * 30.973762 + 7 * 195.084 + 3 * 32.065 + 1 * 121.76 + 2 * 78.96 + 1 * 118.71 + 9 * 238.02891 + 1 * 92.90638 + 1 * 95.96 + 1 * 190.23 =
5371.0374 g/mol
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