a student set up a reaction with 0.2905g of cholesterol and 0.13g of nonanoyl chloride in excess triethylamine, and collected 0.0244g of solid product.
what is the actual yield (in grams) of cholesteryl nonanoate?
explain how to do this please :)
If cholersteryl nonanoate is the product, then the actual yield is 0.0244 g is it not?
and what is the theoretical yield?
Here is an example problem (worked) for theoretical yield.
http://www.jiskha.com/science/chemistry/stoichiometry.html
To calculate the actual yield of cholesteryl nonanoate, you need to determine the amount of cholesteryl nonanoate that was produced in the reaction. This can be done by subtracting the initial mass of cholesterol from the final mass of the solid product obtained.
Given data:
Mass of cholesterol (reactant) = 0.2905g
Mass of nonanoyl chloride (reactant) = 0.13g
Mass of solid product = 0.0244g
Step 1: Determine the molecular weights
Find the molecular weight of cholesterol (MW₁) and nonanoyl chloride (MW₂) using a periodic table or a molecular weight calculator.
Step 2: Calculate the moles of cholesterol and nonanoyl chloride
Divide the mass of cholesterol (0.2905g) and nonanoyl chloride (0.13g) by their respective molecular weights to convert them to moles.
Step 3: Determine the limiting reactant
To determine the limiting reactant, compare the number of moles of cholesterol and nonanoyl chloride. The reactant that produces fewer moles of product will be the limiting reactant.
Step 4: Calculate the theoretical yield
Once you have determined the limiting reactant, calculate the moles of cholesteryl nonanoate that could be produced based on the stoichiometric ratio of the reaction. This can be done by referring to the balanced chemical equation for the reaction.
Step 5: Convert theoretical yield to grams
Multiply the moles of cholesteryl nonanoate by its molecular weight to convert it to grams.
Step 6: Calculate the actual yield
To determine the actual yield, subtract the initial mass of cholesterol from the final mass of the solid product obtained.
Let me know if you need help with any specific step!