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Question 12 How many moles of oxygen react when 0.598 mol of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water? Incorrect Mark 0.0 out of 1.0 Answer: 0.715 X Flag question Check Incorrect Marks for this submission: 0.0/1.0. Question 13 Incorrect Mark 0.0 out of 1.0 What is the experimental yield (in grams) of the solid product when the percent yield is 84.9% when 2.826 g of barium chloride reacts in solution with excess sodium phosphate? BaCl2(aq) + Na3PO4 (aq) --> Ba3(PO4)2(s) + NaCl(aq) (unbalanced) Flag question Answer: 6.8 X Check Incorrect Marks for this submission: 0.0/1.0. Question 14 Incorrect Mark 0.0 out of 10 What is the percent yield of the solid product when 11.58 g of iron(III) nitrate reacts in solution with excess sodium phosphate and 6.032 g of the precipitate is experimentally obtained? Fe(NO3)(aq) + Na3PO4 (aq) --> FePO4(s) + NaNO3(aq) (unbalanced] > Flag