ChemistryWiki | RecentChanges | Preferences
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One Step Mole Calculation
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Two Step Mole Calculation
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Percent Composition Calculation
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Empirical Formula Calculation
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Empirical and Molecular Formula Calculation
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Name: _________________________________________ Period: __________
Showing all appropriate work as discussed in class notes, answer the following questions/problems.
One Step Mole Calculation
How many grams do you need to mass out to get 4.07 moles of calcium chloride?
Name: _________________________________________ Period: __________
Two Step Mole Calculation
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.
Percent Composition Calculation
What is the percent composition of Carbon dioxide?
Name: _________________________________________ Period: __________
Showing all appropriate work as discussed in class notes, answer the following questions/problems.
Empirical Formula Calculation
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.
Empirical and Molecular Formula Calculation
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?