3. What volumes of sulfuric acid solutions with mass fraction w1(H2SO4)=0.37 and density p1=1.32 g/ml and mass fraction w2(H2SO4)=0.04 and density p2=1.03 g/ml should be taken to prepare 2 liters of H2SO4 solution with mass fraction w(H2SO4)=16% (p=1.095)?
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