A) For the reaction below, the molecular weight of A is 100 g/mol, the molecular weight of B is 75 g/mol, and the molecular weight of C is 80 g/mol. A + B → C + other unimportant products Suppose you have 250mg of A and 250mg of B. What is the limiting reagent here? B) What is the theoretical yield (in mg) of the reaction in the previous problem? C) Suppose B comes as a 1.5 M solution. How many mL of this solution would you need to measure out so that you have 0.40 moles of B? D) Now suppose we're using the same scenario from the first question, with 250mg of both starting materials. You run the experiment and your yield is 60%. How many milligrams of the main organic product (C) would you expect to collect at the end? E) Finally, suppose we ran this reaction again (with 250mg of both starting materials) and collected 34.0mg of product. What was our percent yield? Give your answer as a decimal.
A) For the reaction below, the molecular weight of A is 100 g/mol, the molecular weight of B is 75 g/mol, and the molecular weight of C is 80 g/mol. A + B → C + other unimportant products Suppose you have 250mg of A and 250mg of B. What is the limiting reagent here? B) What is the theoretical yield (in mg) of the reaction in the previous problem? C) Suppose B comes as a 1.5 M solution. How many mL of this solution would you need to measure out so that you have 0.40 moles of B? D) Now suppose we're using the same scenario from the first question, with 250mg of both starting materials. You run the experiment and your yield is 60%. How many milligrams of the main organic product (C) would you expect to collect at the end? E) Finally, suppose we ran this reaction again (with 250mg of both starting materials) and collected 34.0mg of product. What was our percent yield? Give your answer as a decimal.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.8: Evaluating Chemical Synthesis: Percent Yield
Problem 3.18PSP: Assume the methanol synthesis has an 85.0% yield and you want to make 1.00 kg CH3OH. Calculate the...
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A) For the reaction below, the molecular weight of A is 100 g/mol, the molecular weight of B is 75 g/mol, and the molecular weight of C is 80 g/mol.
A + B → C + other unimportant products
Suppose you have 250mg of A and 250mg of B. What is the limiting reagent here?
B) What is the theoretical yield (in mg) of the reaction in the previous problem?
C) Suppose B comes as a 1.5 M solution. How many mL of this solution would you need to measure out so that you have 0.40 moles of B?
D) Now suppose we're using the same scenario from the first question, with 250mg of both starting materials. You run the experiment and your yield is 60%. How many milligrams of the main organic product (C) would you expect to collect at the end?
E) Finally, suppose we ran this reaction again (with 250mg of both starting materials) and collected 34.0mg of product. What was our percent yield? Give your answer as a decimal.
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