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3 cards from this section. Quick, good the night before a test.
What is theoretical yield?
Think about what you would calculate in a perfect reaction.
Define limiting reactant.
Which reactant would determine how much product you can make?
What is the theoretical yield?
Remember, it's about the ideal maximum yield.
True or False: The limiting reactant is the reactant that is present in the greatest quantity.
Focus on the limiting nature, not just the quantity.
A chemical reaction starts with 10 g of reactant A and produces 4.5 g of product B. Calculate the theoretical yield if the balanced equation dictates that 1 mole of A produces 2 moles of B, and the molar mass of A is 5 g/mole.
Convert grams to moles, use the reaction ratios, and account for molar masses.
In a lab experiment, if you start with 8 moles of C and 4 moles of D for the reaction C + 2D → 3E, what is the theoretical yield of E and which reactant is limiting?
Identify the limiting reactant first to find the yield.
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