Question

SO2 + K2CR2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O

Answer 1

Я не поняла тебе уравнить надо или что.
3SO2 + K2CR2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O
Ну вот уравнила).

Answer 2

The balanced chemical equation for the reaction between sulfur dioxide (SO2), potassium dichromate (K2Cr2O7), and sulfuric acid (H2SO4) is as follows:

3 SO2 + K2Cr2O7 + 2 H2SO4 → K2SO4 + Cr2(SO4)3 + 2 H2O

In this reaction, sulfur dioxide reacts with potassium dichromate and sulfuric acid to produce potassium sulfate, chromium(III) sulfate, and water. The equation is balanced to ensure that the number of atoms of each element is the same on both sides of the equation.