9.1 Practice Problems B
Name__________________________
Mass-Volume
Period ________ Date ____________
Solve each of the following as directed. Show all your work.
1. Find the mass of sugar (C6H12O6) required to produce 1.82 L of carbon dioxide at STP from the
unbalanced reaction below:
C6H12O6
→
C2H6O +
CO2
2. How many moles of hydrogen will be produced if 0.44 mol of calcium hydride reacts according to the
following equation?
calcium hydride
+
water
→
calcium hydroxide
+
hydrogen
3. How many liters of oxygen are necessary for the combustion of 425 g of sulfur, assuming that the
reaction occurs at STP?
S
+
O2 → SO2
4. Determine the mass of sodium nitrate produced when 0.73 g of Nickel (II) nitrate reacts with sodium
hydroxide in a double replacement reaction? (Nickel is also a +2 cation as a product.)
1) 7.31 g C6H12O6 2) 0.88 mol H2 3) 297 L O2 4) 0.68 g NaNO3
5. How many moles of oxygen will be needed to completely burn 0.38 mol of propane (C3H8)?
6. How many grams of ozone (O3) must decompose to produce 0.87 g of oxygen? Assume only one
product is formed.
7. Find the mass of aluminum required to produce 4.72 L of hydrogen gas at STP from the reaction of
aluminum and sulfuric acid?
8. How many moles of water will be produced if 2.35 mol of oxygen reacts to burn benzene (C6H6)?
5) 1.9 mol O2 6) .87 g O3 7) 3.79 g Al 8) 0.940 mol H2O