10What is the limiting reactant? Limiting Reactants2H2 + O2 2H2OWhat is the limiting reactant?
11What is the limiting reactant? Limiting Reactants2H2 + O2 2H2OWhat is the limiting reactant?
12Limiting ReactantsHow many grams of water can I make from 22 grams of hydrogen and 195 grams of oxygen?Write a balanced chemical equationH2 + O2 H2OWhat is the limiting reactant?Answer: Do two stoichiometry calculationsDetermine mass of product produced by each reactantHow do you know?
13Determining the limiting reactants The limiting reagent may not be obvious!!
14Practice ProblemWhen copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formedWrite the balanced equation for the reactionIf 15 grams of copper (II) chloride react with 20 grams of sodium nitrate, how much sodium chloride can be formed?What is the limiting reactant?How much of the nonlimiting reactant is left over in this reaction?If 11.3 grams of sodium chloride are formed in the reaction described above, what is the percent yield of this reaction?
15Can you really get out everything that goes in? % yield = experimental yield x 100theoretical yieldExperimental or actual yield determined in the labTheoretical or expected yield determined by stoichiometry
16Practice ProblemIf 35 grams of C6H10 reacts with 45 grams of oxygen, how many grams of carbon dioxide will be formed?What is the limiting reactant?How much of the excess reactant is left over after the reaction ?If 35 grams of carbon dioxide are actually formed from the reaction, what is the percent yield of this reaction?
17Partner Quiz 1) CaCl2 + Na2CO3 CaCO3 + 2NaCl 5.45 g g ? How much CaCO3 (in g) is formed? What is the percent yield for this reaction if 3.96 g of calcium carbonate was isolated from the reaction?