bruno102
  • bruno102
Check my answer? In the manufacturing process of sulfuric acid, sulfur dioxide is reacted with oxygen to produce sulfur trioxide. Using the equation, 2SO2 (g) + O2 arrow 2SO3 (g), if 128 g of sulfur dioxide is given the opportunity to react with an excess of oxygen, but only produces 144 g of sulfur trioxide, what is the percent yield of this reaction? 29.24% 58.48% 90.0% 100.0%
Chemistry
katieb
  • katieb
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bruno102
  • bruno102
My answer is C
pooja195
  • pooja195
Im not sure about this one :/ can you try looking at this? :/ http://openstudy.com/study#/updates/53a99966e4b0ffdda15ea9ee If we cant come up with anything ill tag someone else :)
bruno102
  • bruno102
Hmm, I think I have it correct, but if you could tag someone, that would be helpful :)

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pooja195
  • pooja195
pooja195
  • pooja195
I think you have it right :/
bruno102
  • bruno102
Thank you I hope so!
pooja195
  • pooja195
:)
bruno102
  • bruno102
@Ciarán95
Elsa213
  • Elsa213
What do you think the answer is?
pooja195
  • pooja195
They put C
pooja195
  • pooja195
\(\color{blue}{\text{Originally Posted by}}\) @bruno102 My answer is C \(\color{blue}{\text{End of Quote}}\) .
Elsa213
  • Elsa213
e.e
Elsa213
  • Elsa213
I think you are correct, Bruno102.
bruno102
  • bruno102
Thank you!
iYuko
  • iYuko
Convert the 128g into moles
bruno102
  • bruno102
@iYuko my answer isn't correct?
iYuko
  • iYuko
You tell me.
iYuko
  • iYuko
Multiply that by 2 then convert it to a mass
bruno102
  • bruno102
Yes, I think so.
bruno102
  • bruno102
@iYuko what should I do after I convert it to a mass?
pooja195
  • pooja195
taramgrant0543664
  • taramgrant0543664
What you do is you convert mass into moles of SO2, since the ratio of SO2 to SO3 is 2:2 you actually don't need to multiply by 2, so you have the moles of SO3 currently, so you are able to multiply that by the molar mass of SO3 to get your theoretical yield. So you can take your experimental yield and divide by your theoretical yield and multiply by 100 to get your percent
taramgrant0543664
  • taramgrant0543664
And I got 90% when I did it
bruno102
  • bruno102
Thank you so much @taramgrant0543664
taramgrant0543664
  • taramgrant0543664
No problem!

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