Posted by wll.i.am on Thursday, January 24, 2013 at 8:23pm.
You only have to solve for the mass; everything else is irrelevant to the answer. I hate it when teachers give you a bunch of extra information that you do not need to solve a straight forward problem.
Density=mass/volume
So, solve for mass
density *volume=mass=(0.810g/mL)*(40.88mL)=33.1g of 1-butanol
notice that the mL's cancel out and you are only left with grams (g).
wait okay I figured it out till there... but then later I got this question and got stuck
How many moles of 1-butanol does this number of grams represent?
mols = grams/molar mass
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