Question

HELP ME Balance the following chemical equations by the oxide method
reduction
 HNO 3 + Sn + H 2 O → H 2 SnO 3 + NO
 Cu + HNO 3 → Cu(NO 3 ) 2 +NO + H 2 0

Answer 1

Answer:

1. Sn + 4HNO3 → SnO2 + 4NO2 + 2H2O

2. 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O