00:01
First, we need to make the assumption that h2no3, 2, completely dissociates.
00:09
For this, we need to recognize that hg2 is a unique ion.
00:19
It's diatomic and exists as hg2, 2 +, giving us one ion and one cation, and the nitrates separate into two nitrate ions.
00:33
So that's a total of 1, 2, 3 ions.
00:37
So our van't hoff factor is equal to 3.
00:40
Assuming it completely dissociates, then delta tf, which is what's being requested, will be equal to the van't hoff factor multiplied by the molality and the kf of water.
00:51
I'm assuming this is an aqueous solution, although it didn't specify...