Editing CP One Step, Two Step, Percent Composition, Empirical Formula And Molecular Formula Homework

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Name: _________________________________________ Period: __________ 
 
 
Showing all appropriate work as discussed in class notes, answer the following questions/problems. 
 
<center>One Step Mole Calculation</center>
 
How many grams do you need to mass out to get 4.07 moles of calcium chloride? 
 
 
 
 
 
 
 
 
Name: _________________________________________ Period: __________ 
 
<center>Two Step Mole Calculation</center>
 
Showing all appropriate work as discussed in class notes, answer the following questions/problems. 
 
 
How many molecules do you have if you weighed out 3.20E2 g of carbon tetrachloride? 
 
 
 
 
Name: _________________________________________ Period: __________ 
 
 
Showing all appropriate work as discussed in class notes, answer the following questions/problems. 
 
<center>Percent Composition Calculation</center>
 
What is the percent composition of Carbon dioxide? 
 
 
 
 
 
Name: _________________________________________ Period: __________ 
 
 
Showing all appropriate work as discussed in class notes, answer the following questions/problems. 
 
<center>Empirical Formula Calculation</center>
 
A sample of urea contains 1.121g N, 0.161g H, 0.480g C and 0.640gO. What is the Empirical Formula? 
 
 
 
 
 
Name: _________________________________________ Period: __________ 
 
 
Showing all appropriate work as discussed in class notes, answer the following questions/problems. 
 
<center>Empirical and Molecular Formula Calculation</center>
 
A compound consists of 69.6% S and the rest of nitrogen. If the molar mass of the compound is 184g/mole, what is the MF and EF?

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