 Okay, so let's do this problem now. So now that we figured out how many Dalton's, or AMUs, one molecule of carbon disulfide ways, here let's erase all of this other stuff, it wants us now to figure out, well, how many grams does one molecule of carbon disulfide weigh? So gram is really big relative to one molecule, remember molecules are very, very tiny. So of course there's going to be a conversion factor when we talk about it, so one Dalton or one AMU mass unit equals 1.661 times 10 to the negative 24th. Remember your conversion, how to do conversion factors from unit one, how to do conversions from unit one, and you can just take this number here and convert it to grams. So we've got the mass here in Dalton's, we just need the mass in grams, so that's going to equal, well, 76.143 conversion factor, I'm going to slide it down here, there, I'll just do that, try to keep it even. So one Dalton equals 1.661 plus answer by 1.661 e to the negative 24, and remember, if you get the numbers E, then you should get a very small number, as you could imagine, this number times this number is going to be a very small number, should be somewhere around 10 to the negative 22, because this is in the 10s region, so two decimal places. So let's see if it is, yeah, it is. So in fact the number is 1.26012, the same grams, I think that's your first conversion factor.