Innanzitutto, calcola il numero di ciascun atomo in HBCNOFPSKVYIWUXeLvFeSgPaTcRnTaPmLuYbOsSrTeSeInMtBeCsPdPrNdRh:
H: 1, B: 1, C: 1, N: 1, O: 1, F: 1, P: 1, S: 1, K: 1, V: 1, Y: 1, I: 1, W: 1, U: 1, Xe: 1, Lv: 1, Fe: 1, Sg: 1, Pa: 1, Tc: 1, Rn: 1, Ta: 1, Pm: 1, Lu: 1, Yb: 1, Os: 1, Sr: 1, Te: 1, Se: 1, In: 1, Mt: 1, Be: 1, Cs: 1, Pd: 1, Pr: 1, Nd: 1, Rh: 1
Quindi, cerca i pesi atomici per ciascun elemento nella tavola periodica :
H: 1.00794, B: 10.811, C: 12.0107, N: 14.0067, O: 15.9994, F: 18.9984032, P: 30.973762, S: 32.065, K: 39.0983, V: 50.9415, Y: 88.90585, I: 126.90447, W: 183.84, U: 238.02891, Xe: 131.293, Lv: 0, Fe: 55.845, Sg: 271.13347, Pa: 231.03588, Tc: 96.906365, Rn: 210.990601, Ta: 180.94788, Pm: 144.912749, Lu: 174.9668, Yb: 173.054, Os: 190.23, Sr: 87.62, Te: 127.6, Se: 78.96, In: 114.818, Mt: 276.15116, Be: 9.012182, Cs: 132.9054519, Pd: 106.42, Pr: 140.90765, Nd: 144.242, Rh: 102.9055
Ora, calcola la somma dei prodotti del numero di atomi per il peso atomico:
Massa molare (HBCNOFPSKVYIWUXeLvFeSgPaTcRnTaPmLuYbOsSrTeSeInMtBeCsPdPrNdRh) = ∑ Counti * Weighti =
Count(H) * Weight(H) + Count(B) * Weight(B) + Count(C) * Weight(C) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(F) * Weight(F) + Count(P) * Weight(P) + Count(S) * Weight(S) + Count(K) * Weight(K) + Count(V) * Weight(V) + Count(Y) * Weight(Y) + Count(I) * Weight(I) + Count(W) * Weight(W) + Count(U) * Weight(U) + Count(Xe) * Weight(Xe) + Count(Lv) * Weight(Lv) + Count(Fe) * Weight(Fe) + Count(Sg) * Weight(Sg) + Count(Pa) * Weight(Pa) + Count(Tc) * Weight(Tc) + Count(Rn) * Weight(Rn) + Count(Ta) * Weight(Ta) + Count(Pm) * Weight(Pm) + Count(Lu) * Weight(Lu) + Count(Yb) * Weight(Yb) + Count(Os) * Weight(Os) + Count(Sr) * Weight(Sr) + Count(Te) * Weight(Te) + Count(Se) * Weight(Se) + Count(In) * Weight(In) + Count(Mt) * Weight(Mt) + Count(Be) * Weight(Be) + Count(Cs) * Weight(Cs) + Count(Pd) * Weight(Pd) + Count(Pr) * Weight(Pr) + Count(Nd) * Weight(Nd) + Count(Rh) * Weight(Rh) =
1 * 1.00794 + 1 * 10.811 + 1 * 12.0107 + 1 * 14.0067 + 1 * 15.9994 + 1 * 18.9984032 + 1 * 30.973762 + 1 * 32.065 + 1 * 39.0983 + 1 * 50.9415 + 1 * 88.90585 + 1 * 126.90447 + 1 * 183.84 + 1 * 238.02891 + 1 * 131.293 + 1 * 0 + 1 * 55.845 + 1 * 271.13347 + 1 * 231.03588 + 1 * 96.906365 + 1 * 210.990601 + 1 * 180.94788 + 1 * 144.912749 + 1 * 174.9668 + 1 * 173.054 + 1 * 190.23 + 1 * 87.62 + 1 * 127.6 + 1 * 78.96 + 1 * 114.818 + 1 * 276.15116 + 1 * 9.012182 + 1 * 132.9054519 + 1 * 106.42 + 1 * 140.90765 + 1 * 144.242 + 1 * 102.9055 =
4046.4496 g/mol
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