CHM 105 / Graber
Homework Chapter 6
Spring 2016
Lecture:
Name (print) : _________________
Mon/Wed
Tue/Thur
(circle one)
Textbook homework problems are located in the exercises at the end of the chapters. The additional
homework problems are listed below. The answers for the textbook homework are posted on the
web site. The answers to the additional problems will be posted after the due date; after these
answers are posted (usually right after class) you can not receive credit for these questions. Answer
the extra questions on this sheet (write on the back and attach more paper if necessary). Staple
the additional questions and the textbook homework together before submitting the homework for
grading. Remember the 1/3 and 2/3 set-up for text homework problems.
Textbook Homework:
(3 points)
Chapter 6 Textbook Homework problems
2, 7, 8a&b, 9, 10, 13, 16, 20a&b, 22, 24, 26, 28, 32,
38a&b, 40, 48a&b, 54a&b, 58, 64a&b, 66, 68 a&c, 72, 76, 82a&b, 88, 92, 96, 100, 104, 106, 119
Additional Problems: (3 pts)
1.
2.
Fructose, C6H12O6, is fruit sugar. High fructose corn syrup is found in many food products due
to its extensive sweetness.
a)
How many moles of fructose are present in a 55.0 dg?
b)
How many molecules of fructose are present in a 55.0 dg?
c)
How many oxygen atoms are present in a 55.0 dg of fructose?
d)
How many mg of H are present in a 55.0 dg of fructose?
Mevalonic acid is involved in the biosynthesis of cholesterol. Mevalonic acid is 48.64 %C,
8.16 %H and the remainder is oxygen
a.
What is the empirical formula of the compound?
b.
If the molar mass is about 148 g / mol, what is the molecular formula?