Sulfur dioxide reacts with oxygen to produce sulfur trioxide according to the following chemical equation: 2SO2(g) + O2(g) > 2SO3(g)

Given: 20.0 g of SO2 reacts with 15.6 g of O2 with an actual yield of 21.5g of SO3. What is the

a. Limiting reagent

b. Excess reagent

c. Theoretical yield

d. Percent yield



2. Hydrogen and chlorine gas combine to form hydrogen chloride:

H2(g) + Cl2(g) > 2HCL(g)

Given: 18.0 g of H2 react with 40.0 g of Cl2 with an actual yield of 26.4 g HCL. What is the

a. Limiting reagent

b. Excess reagent

c. Theoretical yield

d. Percent yield