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I need to write up lab instructions on synthesizing butanal from acetylene. I know the compounds...

I need to write up lab instructions on synthesizing butanal from acetylene. I know the compounds needed to do so, starting with sodium amide and ammonia to deprotonate. Then using Bromoethane to undergo an Sn2 reaction to produce 1-butyne. followed by hydroboration-oxidation using BH3, NaOH, and H202 to produce the final product of butanal. So, I need to figure out how much of each compound I need to use to get to each product and eventually the final one.To write up a lab as if you were about to go into the lab and perform the experiment.  Does anyone know the best way to approach figuring each one of these steps out?

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