Sagot :
93.5 is the percent yield for this reaction.
What is a theoretical yield?
The theoretical yield is the maximum possible mass of a product that can be made in a chemical reaction.
Step 1: Solve for the mass of CH_2O produced.
Mass [tex]CH_2O[/tex] = 15.4 g [tex]CH_3OH[/tex] × (1 mol [tex]CH_3OH[/tex] ÷ 32.04 g [tex]CH_3OH[/tex]) × (1 mol [tex]CH_2O[/tex] ÷ 1 mol [tex]CH_3OH[/tex]) × (30.03 g [tex]CH_2O[/tex] ÷ 1 mol [tex]CH_2O[/tex])
Mass [tex]CH_2O[/tex]= 14.43 g
Step 2: Determine the theoretical yield.
Theoretical yield = mass [tex]CH_2O[/tex]
Theoretical yield = 14.43 g
Step 3: Solve for the percent yield.
Percent yield = (actual yield ÷ theoretical yield) × 100
Percent yield = (13.5 g ÷ 14.43 g) × 100
Percent yield = 0.9355509356 × 100 =93.5 percent
Hence, 93.5 is the percent yield for this reaction.
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