Answer:
Your correct answer is
Hg2(NO3)2 + 2 NaCl --------> Hg2Cl2 + 2 NaNO3
Hg2+2 + 2NO3-1 + 2Na+ Cl- ----> Hg2Cl2 + 2Na+ + 2NO3-1
Hg2+2 + 2Cl-1 ------------> Hg2Cl2
Step-by-step explanation:
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