まず、NPKCaMgSFeMnZnCuBMoCoClNaCHO 内の各原子の数を計算します。
N: 1, P: 1, K: 1, Ca: 1, Mg: 1, S: 1, Fe: 1, Mn: 1, Zn: 1, Cu: 1, B: 1, Mo: 1, Co: 1, Cl: 1, Na: 1, C: 1, H: 1, O: 1
次に、周期表の各元素の原子量を調べます。
N: 14.0067, P: 30.973762, K: 39.0983, Ca: 40.078, Mg: 24.305, S: 32.065, Fe: 55.845, Mn: 54.938045, Zn: 65.38, Cu: 63.546, B: 10.811, Mo: 95.96, Co: 58.933195, Cl: 35.453, Na: 22.98976928, C: 12.0107, H: 1.00794, O: 15.9994
次に、原子数と原子量の積の合計を計算します。
モル質量 (NPKCaMgSFeMnZnCuBMoCoClNaCHO) = ∑ Counti * Weighti =
Count(N) * Weight(N) + Count(P) * Weight(P) + Count(K) * Weight(K) + Count(Ca) * Weight(Ca) + Count(Mg) * Weight(Mg) + Count(S) * Weight(S) + Count(Fe) * Weight(Fe) + Count(Mn) * Weight(Mn) + Count(Zn) * Weight(Zn) + Count(Cu) * Weight(Cu) + Count(B) * Weight(B) + Count(Mo) * Weight(Mo) + Count(Co) * Weight(Co) + Count(Cl) * Weight(Cl) + Count(Na) * Weight(Na) + Count(C) * Weight(C) + Count(H) * Weight(H) + Count(O) * Weight(O) =
1 * 14.0067 + 1 * 30.973762 + 1 * 39.0983 + 1 * 40.078 + 1 * 24.305 + 1 * 32.065 + 1 * 55.845 + 1 * 54.938045 + 1 * 65.38 + 1 * 63.546 + 1 * 10.811 + 1 * 95.96 + 1 * 58.933195 + 1 * 35.453 + 1 * 22.98976928 + 1 * 12.0107 + 1 * 1.00794 + 1 * 15.9994 =
673.4008 g/mol
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