* hg (Mercury): 200,59 g/mol * 2 =401,18 g/mol
* n (nitrogen): 14,01 g/mol * 2 =28,02 g/mol
* o (ilt): 16,00 g/mol * 6 =96,00 g/mol
Total molmasse =401,18 g/mol + 28,02 g/mol + 96,00 g/mol =525,20 g/mol
Derfor er den molære masse af Mercurous nitrat, HG₂ (NO₃) ₂, 525,20 g/mol .