摘要:还原性: 2FeCl2 + Cl2 === 2FeCl3 3Na2S + 8HNO3(稀) === 6NaNO3 + 2NO + 3S + 4H2O 3Na2SO3 + 2HNO3(稀) === 3Na2SO4 + 2NO + H2O 2Na2SO3 + O2 === 2Na2SO4
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(2013?广州一模)下列陈述I、II正确并且有因果关系的是( )
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