potrebujem pomoct : Síra reaguje s kyslíkom za vzniku oxidu siričitého, S(s) + O2(g) = SO2(g). Vypočítajte, aká hmotnosť síry (s presnosťou na jedno desatinné miesto) je potrebná na prípravu 2.587 l SO2. Vypočítajte aj objem spotrebovaného kyslíka v l (s presnosťou na jedno desatinné miesto). Vyjadrite si dané veličiny celistvými matematickými vzťahmi a potom číselne dosaďte - nepočítajte po častiach ! Molové hmotnosti sú M(S)=32,10 g/mol, M(SO2)=64,10 g/mol a konštanta pre štandardný molárny objem je Vm=22.41 l/mol.
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