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4.67g of solid copper(II)chloride are mixed into a 250.0mL solution of 0.500mol/L aqueous sodium hydroxide.
A. Write the chemical reaction. Predict the products and identify any precipitates [1]
B. What types of chemical reaction will this produce? [1]
C. Provide a balanced chemical reaction [1]
D. Describe the steps you would take to make 250.0mL of the 1.5mol/L solution [2]
E. Calculate the moles of each reactant [1]
F. Identify which reactant is the limiting reactant[1]
G. Calculate the moles of each product [2]
H. Calculate the theoretical yield of solid precipitate [1]
I. Assuming you get 4.27g of solid precipitate, calculate the percent yield [1]
J. Propose 2 reasons why the lab yield might be different than the theoretical yield (sources of error) [2]
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F)"The limiting reagent is the one that is totally consumed; it limits the reaction from continuing because there is none left to react with the in-excess reactant. There are two ways to determine the limiting reagent. One method is to find and compare the mole ratio of the reactants used in the reaction (approach 1)."
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