Question

What is the theoretical yield of hexanol from this experiment? (1-hexene density = .673 g/mL) The experiment is converting 1-hexene to 2-hexanol by acid-catalyzed hydration.

Answer 1

Theoretical yield:

It is expressed in terms of moles / mass of the product formed from the limiting reactant.

Here mole ratio between hexanol to hexene is 1 :1 ,

So we can calculate the moles of product ( hexanol ) by using moles of 1-hexene

Calculation of moles of 1 –hexane

= Mass of hexane / molar mass of hexane

Lets assume 1mL of the hexane used.

Moles of hexane = (1.0 mL x 0.673 g / mL) / 86.18 g per mol

=0.007809

Moles of hexanol = moles of hexane = 0.007809 mol

Mass of hexanol = mole x molar mass = 0.007809x 102.17 g /mol

= 0.798 g

Therefor theoretical yield of hexanol = 0.798 g   , when we use 1.0 mL hexane