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no2 h2o hno3 no
cu + hno3 → cu no3 2 + h2o + no2
fexoy + hno3 fe no3 3 + no2 + h2o
cu + hno3 cu no3 2 + h2o + no2
no2 + h2o → hno3 + no
al + hno3 → al no3 3 + no2 + h2o
fes2 + hno3 fe no3 3 + h2so4 + no2 + h2o
fe3o4 + hno3 → fe no3 3 + no2 + h2o
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