Consider the nucleophilic addition reaction of 2‑butanone with excess propyl magnesiumbromide, made in situ by reacting 1‑bromopropane with metallic magnesium, to make 3‑methyl‑3‑hexanol. 2-butanone 1-bromopropane magnesium 3-methyl-3-hexanol =0.81 g/ml =1.35 g/ml =0.82 g/ml a reaction was performed in which 0.40 ml0.40 ml of 2‑butanone was reacted with an excess of propyl magnesiumbromide to make 0.38 g0.38 g of 3‑methyl‑3‑hexanol. calculate the theoretical yield and percent yield for this reaction.

Theoretical yield is 0,52 g and percent yield for this reaction is 73%

Explanation:

The theoretical yield is the maximum amount of product a chemical reaction could create based on chemical equations. The percent yield is the ratio between theoretical yield and obtained yield times 100.

In the reaction:

2-butanone + propyl magnesium bromide → 3-methyl-3-hexanol

The theoretical yield with 0,40 mL is:

0,40 mL×××× = 0,52 g

Thus, percent yield for this reaction is:

0,38g/0,52g×100 = 73%

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the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.