Homework #6

p180 #13 - 17

13.
a. 6 moles are needed
6. 5 moles are made
c. 5 moles of Pb

14.
a. 17 moles
b. 1,863 g
c. 952 g
d. 669 g

15. You have to divide the number of oxygen atoms by all the atoms in the compound. Making it 72%

16.
87% silver
53% aluminium
40% calcium

17. 68% lead
50% PbSO4
10% lead
help???