00:01
We are trying to calculate the molar masses of some organic compounds here.
00:05
These are all sweeteners.
00:07
So the molar mass of an individual atom, for example, carbon or nitrogen or oxygen, comes directly from the table.
00:14
For example, looking at carbon, the periodic table and your periodic table might be slightly different, but mine says 12 .01.
00:25
So that's the mass, and it's the average of all the atomic masses of the carbon elements or carbon atoms.
00:30
And the unit for that is usually grams per mole.
00:36
Oftentimes that unit is even omitted.
00:38
But let's get the rest of the molar mass or the molar masses that we will need for these calculations.
00:43
Let's see.
00:44
Hydrogen 1 .01.
00:48
Oxygen is 16 .00.
00:52
Nitrogen.
00:54
We have 14 .01.
00:58
And sulfur 32 .06.
01:01
So those are for individual atoms of these elements.
01:07
But when we have a molecule, the molar masses just add together really nicely.
01:12
So for example, for stucrose, notice it has 22 carbons...