Najpierw oblicz liczbę każdego atomu w HHeLiBeBCNOFNeNaCaSWKUPAuAgBhSgLaLrAtPtPoCmTeTcMgAlSiPClArXe:
H: 1, He: 1, Li: 1, Be: 1, B: 1, C: 1, N: 1, O: 1, F: 1, Ne: 1, Na: 1, Ca: 1, S: 1, W: 1, K: 1, U: 1, P: 2, Au: 1, Ag: 1, Bh: 1, Sg: 1, La: 1, Lr: 1, At: 1, Pt: 1, Po: 1, Cm: 1, Te: 1, Tc: 1, Mg: 1, Al: 1, Si: 1, Cl: 1, Ar: 1, Xe: 1
Następnie wyszukaj masy atomowe każdego pierwiastka w układzie okresowym :
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, Ca: 40.078, S: 32.065, W: 183.84, K: 39.0983, U: 238.02891, P: 30.973762, Au: 196.966569, Ag: 107.8682, Bh: 272.13803, Sg: 271.13347, La: 138.90547, Lr: 262.10963, At: 209.987148, Pt: 195.084, Po: 208.9824304, Cm: 243.0613891, Te: 127.6, Tc: 96.906365, Mg: 24.305, Al: 26.9815386, Si: 28.0855, Cl: 35.453, Ar: 39.948, Xe: 131.293
Teraz oblicz sumę iloczynów liczby atomów do masy atomowej:
Masa molowa (HHeLiBeBCNOFNeNaCaSWKUPAuAgBhSgLaLrAtPtPoCmTeTcMgAlSiPClArXe) = ∑ 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(Ca) * Weight(Ca) + Count(S) * Weight(S) + Count(W) * Weight(W) + Count(K) * Weight(K) + Count(U) * Weight(U) + Count(P) * Weight(P) + Count(Au) * Weight(Au) + Count(Ag) * Weight(Ag) + Count(Bh) * Weight(Bh) + Count(Sg) * Weight(Sg) + Count(La) * Weight(La) + Count(Lr) * Weight(Lr) + Count(At) * Weight(At) + Count(Pt) * Weight(Pt) + Count(Po) * Weight(Po) + Count(Cm) * Weight(Cm) + Count(Te) * Weight(Te) + Count(Tc) * Weight(Tc) + Count(Mg) * Weight(Mg) + Count(Al) * Weight(Al) + Count(Si) * Weight(Si) + Count(Cl) * Weight(Cl) + Count(Ar) * Weight(Ar) + Count(Xe) * Weight(Xe) =
1 * 1.00794 + 1 * 4.002602 + 1 * 6.941 + 1 * 9.012182 + 1 * 10.811 + 1 * 12.0107 + 1 * 14.0067 + 1 * 15.9994 + 1 * 18.9984032 + 1 * 20.1797 + 1 * 22.98976928 + 1 * 40.078 + 1 * 32.065 + 1 * 183.84 + 1 * 39.0983 + 1 * 238.02891 + 2 * 30.973762 + 1 * 196.966569 + 1 * 107.8682 + 1 * 272.13803 + 1 * 271.13347 + 1 * 138.90547 + 1 * 262.10963 + 1 * 209.987148 + 1 * 195.084 + 1 * 208.9824304 + 1 * 243.0613891 + 1 * 127.6 + 1 * 96.906365 + 1 * 24.305 + 1 * 26.9815386 + 1 * 28.0855 + 1 * 35.453 + 1 * 39.948 + 1 * 131.293 =
3347.8259 g/mol
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