Answer:
This is my answer.
Explanation:
Na/K2O = 10/1 = 10
K2O/Na = 1/10
Na/Na2O = 10/5 = 2
Na2O/Na = 5/10 = 1/2
Na/N2 = 10/1 = 10
N2/Na = 1/10
KNO3/K2O = 2/1 = 2
K2O/KNO3 = 1/2
KNO3/Na2O = 2/5
Na2O/KNO3 = 5/2
KNO3/N2 = 2/1 = 2
N2/KNO3 = 1/2