Question 1
Sodium metal and water react to form hydrogen and sodium hydroxide. If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide, what mass of water was involved in the reaction?
◦ 4.68 g
◦ 5.98 g
◦ 10.14 g
◦ 10.66 g
Question 2
Sulfuric acid can be prepared by a multistep process summarized as:
2 SO
2 + O
2 + 2 H
2O → 2 H
2SO
4
What mass of sulfuric acid could be produced daily by a process using 38 kg per day of sulfur dioxide with a 70% conversion efficiency ("yield"), assuming that sulfur dioxide is the limiting reagent?
◦ 27 kg/day
◦ 41 kg/day
◦ 54 kg/day
◦ 58 kg/day
◦ 83 kg/day