%Error & %Yield

%Error & %Yield

By Julia Bishop

Multiple Choice

The Handbook of Chemistry and Physics states that the density of gold is: $$19.3\ \frac{g}{mL}$$  

• Theoretical Value

• Experimental Value

Multiple Choice

Jenny experimentally found that the density of lead was:

$$11.7\frac{g}{mL}$$  

• Theoretical Value

• Experimental Value

Multiple Choice

You calculate that you should recover 3.56g of ppt (precipitate)

• Theoretical Value

• Experimental Value

Multiple Choice

After conducting the experiment you have recovered 4.01g of ppt (precipitate)

• Theoretical Value

• Experimental Value

Open Ended

Shelby measured the volume of a cylinder and determined it to be 54.5 cm³. The teacher told her that it should have been 37.2 cm³.  What was her percent error? 

Open Ended

Walter is planning a hiking trip and he estimated the gradient of trail to be 213.6 ft/mile. After hiking and tracking the trail, he found that the trail was actually 202.7 ft/mile. What was his percent error?

Open Ended

In an experiment when Sb2S3 reacts with an Fe, 9.84 grams of Sb is produced. If the theoretical yield is 10.7 g Sb, What is the percent yield?

Open Ended

Manganese dioxide is mixed with Hydrochloric acid. You calculate that you should produce 57.1 g Cl2. During the experiment you collect 23.9 g Cl2. What is your percent yield?