Question

Fill in the coefficients that will balance the following reaction: a0Zn + a1Fe(NO3)2 → a2ZnNO3 + a3Fe

Answer 1

2Zn + Fe(NO3)2 -> 2Zn(NO3)2 + Fe.

In other words: coefficients for a0 and a2 are 2, a1 and a3 are blank/0.

Answer 2

Zn + Fe(NO3)2 -> Zn(NO3)2 + Fe