You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Some review, to keep your mind sharp <strong>and</strong> agile…<br />
12. Consider acetaminophen, C8H9NO2, the active ingredient in Tylenol.<br />
a. How many grams is 0.457 moles?<br />
b. If a Tylenol tablet contains 500 mg of the active ingredient, shown above, how many moles is this?<br />
c. How many moles of carbon atoms are there from #2?<br />
d. What is the mass percent of carbon in Tylenol?<br />
13. What is the difference between an emperical formula <strong>and</strong> a molecular formula?<br />
14. What is the mass of 8.0 moles of carbon dioxide?<br />
15. How many atoms of oxygen are in 4.5 moles of calcium hydroxide?<br />
16. An unknown solution is left in the lab. It has either barium-, silver-, or sodium nitrate present. What could you<br />
do to determine what solution has been left in the lab? Design a brief experiment. Write ppt rxns to show what you<br />
are considering.<br />
4
Change language