Unformatted text preview: outon Suite x
M My Account - MySam = Sar X
Tike Test: Study Buddy Q4 X
Digital Resources for Char
D digital wwnorton.com/84388
Solutions and Ch 3 Review
Part 2 (1 point)
Quinine, which was first isolated in 1820 from the bark of the cinchona tree, has been used for hund
elemental analysis of quinine shows that it contains 73.99 C. 7.50%% H. 8.62% N, and 9.89%% O by ma
The first step in determining the empirical formula of the compound is to convert these masses to mol
Reduce these percentages to the lowest ratio of whole numbers.
Assume that these percentages are equal to the number of moles of each element present.
Assume that we have 100.0 g of the compound and treat the percentages as masses.
Part 3 (4 points)
The next step Is to calculate the number of moles of each element present in 100.0 g of compound. Enter
each number of moles to four significant digits.
mol H 06ist
mol N Onal
"OF & QUESTIONS COMPLETED
< 02/0 >
View Full Document
- Fall '19
- Plasmodium falciparum, quinine, Cinchona