6 FeCO3 + K2Cr2O7 + 13 H2SO4 → Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 6 CO2 + 13 H2O
This is an acid-base reaction (neutralization): FeCO3 is a base, H2SO4 is an acid.
This is an acid-base reaction (neutralization): FeCO3 is a base, H2SO4 is an acid.
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