Please see the attached file.
2. Balance this equation using no fractional coefficients
H2O + CrO4^2- + HSnO2- ---> HSNO3- + CrO2- + OH-
3. Balance this equation using no fractional coefficients
MnO4- + H2O2 + H+ --> Mn2+ + O2 + H2O
4. Which is an acid according to Lewis, but not according to Bronsted?
It determines the Lewis acid but not Bronsted acid. Also, it shows how to balance the equation. The solution is detailed and has a '5/5' rating.