| A | B |
|---|
| How many molecule of carbon dioxide are produced if 100. grams of C2H6 are ignited. | 4.00 x 1024 molecules CO2 |
| What mass of iron(III) oxide is needed to produce 320. grams of iron. Assume that the compound is heated in a test tube. | 1830 g Fe2O3 |
| What mass of iodine will form if 250. mL of fluorine reacts with excess solution of nickel(III) iodide. The density of fluorine is 1.69 g/L. | 2.82 g I2 |
| If 10.0 grams of magnesium chloride react with excess solution of ammonium hydroxide, then how many grams of magnesium hydroxide will form? | 6.13 g Mg(OH)2 |
| Calculate the mass of iron(III) sulfite needed to produce 3200 milligrams of iron(III) oxide. Assume all the iron(III) sulfite decomposes as its heated. | 7.1 g Fe2(SO3)3 |
| How many molecules of nitrogen gas must be added to comsume all 5.0 grams of lithium. | 7.2 x 1022 molecules N2 |
| How many milliliters of hydrogen will form if 45.0 grams of magnesium is dropped into a solution of hydrogen bromide. The density of hydrogen is 0.00899 g/mL. | 416 mL H2 |
| How many moles of lead(II) iodide are produced if 24.6 moles of potassium iodide is added to an excess solution of lead(II) nitrate. | 12.3 mol PbI2 |
