Directions: Answer all open-ended questions in complete sentences.  All math questions must show work and include the appropriate units and significant figures.  

6.1 #5,6,7,14,15

6.2 #19 a-d, 21 a-d, 23 a-d, 25 a-d, 26 a-d (calculate moles of each element present), 51 all (use the internet) 

6.3 28 (a,c,e,g), 33, 34, 36, 37, 38, 39, 40, 46, 47, 48, 49, 50