anonymous
  • anonymous
a sample of sulfolane, C4H8O2S, contains 5.00*10^24 atoms. How many moles of sulfolane are there in the sample?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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nincompoop
  • nincompoop
use conversion factor from atoms to moles. you know the definition of a mole right?
anonymous
  • anonymous
i did thaaaattt and i got 8.3 moles but it was wrong
nincompoop
  • nincompoop
show your solution

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More answers

nincompoop
  • nincompoop
see there are different elements or kinds of atoms in the sample
anonymous
  • anonymous
the answer is 0.554 but idk how to get that...
nincompoop
  • nincompoop
see there are different elements or kinds of atoms in the sample
nincompoop
  • nincompoop
don't you need to find the mass of the sample first?
anonymous
  • anonymous
hmmm maybe.. ill try that! thanks!
nincompoop
  • nincompoop
what are you going to do with the mass after?
anonymous
  • anonymous
hm no idea.... lol
JFraser
  • JFraser
if there are \(5 * 10^{24}\) TOTAL atoms in the sample, you need to know how many MOLECULES there are, before you can do anything else. Each molecule is made of 15 atoms total, so there are \[5*10^{24} atoms * (\frac{1 molecule}{15 atoms}) = 3.3*10^{23} molecules\] \(3.3*10^{23}\) moleculesin the sample. NOW you can use the identity of a mole to find how many moles are in the sample.
anonymous
  • anonymous
Yups. Jfraser is right :) so there are 3.3x10*23 molecules of sulfolane. Now, divide this number by the avogadro's constant (approx 6x10*23) and you'll get 0.556mol of sulfolane molecules.

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