<p> Applied Chemistry Section 8.2 Mass Calculations for Reactions</p><p>1. Sodium reacts with oxygen gas to produce sodium oxide.</p><p> a. How many grams of sodium oxide are produced when 2.50 moles of sodium react?</p><p> b. If you have 18.0 g sodium, how many grams of oxygen gas are required for reaction?</p><p> c. How many grams of oxygen gas are needed in a reaction that produces 75.0 g sodium oxide?</p><p>2. Ammonia (NH3) and oxygen gas react to form nitrogen gas and water.</p><p> a. How many grams of oxygen gas are needed to react with 8.00 moles of ammonia?</p><p> b. How many grams of nitrogen gas can be produced when 6.50 g of oxygen gas reacts?</p><p> c. How many grams of water are formed from the reaction of 34.0 g of ammonia? 3. Nitrogen dioxide and water react to produce nitric acid (HNO3) and nitrogen monoxide.</p><p> a. How many grams of water are required to react with 28.0 g of nitrogen dioxide?</p><p> b. How many grams of nitrogen monoxide are obtained from 15.8 g of nitrogen dioxide?</p><p> c. How many grams of nitric acid are produced from 8.25 g nitrogen dioxide?</p><p>4. When the ore lead(II) sulfide burns in oxygen gas, the products are lead(II) oxide and sulfur dioxide.</p><p> a. How many grams of oxygen gas are required to react with 0.125 moles of lead(II) sulfide?</p><p> b. How many grams of sulfur dioxide can be produced when 65.0 g lead(II)sulfide react?</p><p> c. How many grams of lead(II) sulfide are used to produce 128 g of lead(II) oxide?</p>