October 2020 0 108 Report
6- em 55g de atomo de boro, B o nº de mols de boro é: 5 mol 7- dada a equasão q
H2SO4 + Al2(SO4)3 + H2O
Calcule o nº de moléculas de acido sulfurico, é o nº de mols de hidrogenio de aluminio, a fim de se obter 540g de H2O, 9.03.10 24(expoente)
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