Lesson 2

Here are the answers to some of the workbook exercises for this lesson.  (These are numbered as they are in the workbook, not as they are in the Authorware sections.)

Exercise 9
    a. 8 g
    b. 2.75 g
    c. 1.64 g

Exercise 13
    a. 280 g
    b. 110 g
    c. 39 g
    d. 19 g
    e. 99 g water,  161 g carbon dioxide,  205 g oxygen

Exercise 16
    a. 27 g (chlorine is limiting)
    b. no, 110 g of sulfur would be needed
    c. 28 g, (oxygen is limiting)

Exercise 19
    a. 25.1% hydrogen, 74.9% carbon;  0.336 H/C
    b. 17.7% hydrogen, 82.3% nitrogen;  0.216 H/N
    c. 79.89% copper, 20.11% oxygen;  0.2518 O/Cu
    d. 88.81% copper, 11.19% oxygen;  0.1260 O/Cu