Asked by Rov.

When 100ml of Hg(NO3)2 (aq) fully reacted with Na2S (s), 1g of HgS was producted. In this situation, how much is the molarity of Hg(NO3)??

Answers

Answered by Rov.
Well I mean, the molarity of Hg(NO3)2. Not Hg(NO3)
Answered by Damon
1 g of HgS is how many mols of HgS

HgS is 233 g/mol (Hg = 201+ S= 32)
so we have 1/233 mol of HgS
That required 1/233 mol of Hg(NO3)2
(1/233)mol / 0.1 liter = 10/233 mol/liter = .043 M

Answered by Rov.
Thanks a lot
Answered by Damon
You are welcome.
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