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In the following reaction, 9.7 mL of benzaldehyde was reacted with 3.7 mL of acetone to form 6.41 g of pure dibenzalacetone. Show the calculation for the moles of benzaldehyde, the moles of acetone, the theoretical yield of dibenzalacetone in grams, and the calculation for the % yield of the product (dibenzalacetone). Also indicate which reagent is the limiting reagent.
Molecular weight are as followed Benzaldehyde=106.13g/mol, acetone 58.o8g/mol. dibenzalacetone 234.30g/mol.
Give two reasons why ethuyl iodide is preferred over ethyl chloride in the Williamson ether synthesis.
calculate the PH at the points in the titration of 20.00 ml of 0.318M NH3 when, a) 10.00 ml and 15.00 ml of 0.475 M HCl have been added.
How many grams of Na2CO3 Standard must be used if the titration is expected to require 40 mL of 0.1 M HCl titrant?
A gas occupies 22.4 L at STP and 14.5 L at 100°C and 2.00 atm pressure. How many moles of gas did the system gain or lose?
A chemist burns 160g of aluminum oxygen to produce aluminum oxide. She produces 260g of aluminum oxide. Write a balanced equation and calculate the theoretical and percent yield
can be isolated from the bark of wild cherry trees. Show the reactants that you would use to synthese scopoletinc
mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of the reactant in excess will remain after the reaction?
What is the pH of the benzoic acid solution prior to adding sodium benzoate? Express answer using 3 significant figures. 2. How many grams of sodium benzoate should be added to prepare the buffer?
What is the percentage purity of your ldh column fraction? 2. How many total mg of ldh are there in your column fraction?
a half-life for the disappearance of dinitrogen pentoxide of 5130 s. Suppose 0.450 atm of N2O5 is introducted into an evacuated 2.00 L flask. What will be the total gas pressure inside the flask after 3.00 hours
Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.
Explain why triethylamine is a weaker base than dimethylamine or methylamine.
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