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

9.1  #3a,c,d, 4a-d, 6-7 write all mole ratios, 8a-d, 9a-d moles only

9.2  #13a, e, g, 14 b, e, f, 17, 19, 21, 22, 23, 24

9.3 #38,42,44-48