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Topic: Theoretical Yield Question  (Read 1968 times)

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Offline ben809

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Theoretical Yield Question
« on: December 21, 2014, 09:09:37 PM »
CuSO4 + Zn ---> ZnSO4 + Cu

When 80g of Zn reacts with excess CuSO4, 24g of copper are recovered. What is the percent yield of copper!?

*How I did this: I took the 80g of Zn and converted to moles using AW (65.4). I got the moles of Zn then I just multiplied with the AW of Copper to get ~32% yield. Wondering if I'm correct in this approach! Since Zn is limited.
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Offline Borek

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Re: Theoretical Yield Question
« Reply #1 on: December 22, 2014, 03:04:16 AM »
You are told there is an excess copper sulfate, so all Zn reacted.
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Offline Archy12345

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Re: Theoretical Yield Question
« Reply #2 on: December 28, 2014, 01:50:32 AM »
Your approach is correct. However, your value is a tad high. I'd run your numbers on it again.
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