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ОХ257 Make a material and an electronic balance the fol
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Uploaded: 29.03.2019
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257. Make a material and an electronic balance the following redox reactions:
KJ + K2Cr2O7 + H2SO4 J2 + Cr2( SO4 )3 + K2SO4 + H2O ;
FeSO4 + KNO3 + H2SO4 Fe2( SO4 )3 + NO + K2SO4 + H2O ;
FeSO4 + KMnO4 + H2SO4 Fe2( SO4 )3 + MnSO4 + K2SO4 + H2O ;
Na2SO3 + K2Cr2O7 + H2SO4 Na2SO4 + Cr2( SO4 )3 + K2SO4 + H2O .
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