2. Make a summary equation for each reaction, equalize them and indicate the oxidizing agent and reducing agent:
As2S3 HNO3 H2O → H3AsO4 H2SO4 NO
CH3OH KMnO4 H2SO4 → HCOOH MnSO4 K2SO4 H2O
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.