Respuesta :
Answer:
You will divide
Explanation:
You'll divide by 2.
2 Sn + 4 H2O ÷ 2 = Sn + 2 H2O
Divide by 2
so the 2 in SnO2 will be 1
The 4 in H2 will be 2
and so on
so the 2 in SnO2 will be 1
The 4 in H2 will be 2
and so on