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CH4 + 2O2. → CO2 + 2H2O. Try This: Circle the one that we would use up first (limiting reactant)? How many water molecules can we.
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Try This : Circle the one that we would use up first (limiting reactant)? How many water molecules can we make? _________ Leftovers? ____________
REACTANTS PRODUCT
Try This : Circle the one that we would use up first (limiting reactant)? How many water molecules can we make? _________ How many carbon dioxide molecules? ___________ Leftovers? ____________
REACTANTS PRODUCTS
Since atoms aren’t actually big enough to see in the lab, we have to use our friend, the __________________.
Circle the one that we would use up first (limiting reactant)? What’s the most CO 2 we can make? _____________ grams; What product will have leftovers? ____________
In the theoretical experiment above, we’re going to get _______ grams of CO2.
your actual yield will be much _______ than your predicted (theoretical) yield.
(↑excess) 1 mol? grams
theoretical yield
(a) Circle the limiting agent.
(b) What is the theoretical yield of calcium oxide? __________________________________
(c) What is the percent yield of calcium oxide if 9.5 g CaO were produced (given 9.0 g Ca and 4.1 g O 2 )? ___________%