Give the percent yield when 28.16g of CO_2 are formed from the reaction of 4.00 moles of C_8H_18 with 4.000 moles of O_2 2C_8 H_18 + 25 O_2 rightarrow 16 CO_2 + 18 H_2O 20.00% 25.00% 50.00% 12.50% 37.50% Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements 2NaN_3(s) rightarrow 2Na(s) + 3N_2(g) How many grams of sodium azide are required to produce 33.0 g of nitrogen? 1.77 0.785 76.6 51.1 114.9 If the percent yield for the following reaction is 65.0%, how many grams of KClO_3 are needed to produce 32.0g of O_2? 2 KClO_3(s) rightarrow 2 KCl(s) + 3 O_2(g) 63.1g 81.7g 126g 283g 88.1g Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) 4.50-g sample of CaO is recated with 4.34g of H_2O. How many grams of water remain after the reaction is complete? 0.00 0.00892 2.90 1.04 0.161 sodium metal and water react from hydrogen and sodium hydroxide. If 5.98 of sodium react with water to form 0.26g hydrogen and 10.40g od sodium hydroxide, what mass of water was involved in the reaction? 4.68g 5.98g 10.14g 10.66g 6.65g