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Cum egalez reactia?
C4H8 + K2Cr2O7 + H2SO4 = C3H6O2 + Cr2(SO4)3 + K2SO4 + H2O


Răspuns :

9C4H8+8K2Cr2O7+32H2SO4 =12C3H6O2+8Cr(SO4)3+8K2SO4+32H2O