You are given the balanced equation:
Zn(NO3)2 (aq) + Na2S (aq) ----> ZnS (s) + X
What is correct formula for the product represented by X?
A. Na2(NO3)2 (s)
B. Na2NO3 (s)
C. NaNO3 (aq)
D. 2 NaNO3 (aq)
