Due to the 3. Gulf Stream
What is the percent yield if 4.65 g of copper is produced when 1.87 g of aluminum reacts with excess copper (II) sulfate? 2Al (s) + 3CuSO4 (aq) → Al2 (SO4)3 (aq) + 3Cu
1. Dmitri created groups of 3
2. John Newlands arranged the elements
3. Antoine Lavoisier divided them into catagories
4. Johann used patterns
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Answer:
It's the A. 2-bromobutane
Explanation:
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The last set which is n=4 l=3 m=3 is a valid set