Stoichiometry Practice and Problem Solving

What type of reaction is formed when calcium nitrate reacts with potassium phosphate?

• Synthesis

• Decomposition

• Double replacement

• Single replacement

What is the molar mass of calcium nitrate used in the stoichiometric calculations?

• 114.224 grams

• 101.11 grams

• 164.10 grams

• 44.01 grams

Which reactant is the limiting reactant when octane reacts with oxygen?

• Carbon dioxide

• Water

• Oxygen

• Octane

How many grams of carbon dioxide could potentially be produced from 125 grams of octane?

• 107 grams

• 152 grams

• 385 grams

• 330 grams

What is the theoretical yield of water when using oxygen as the limiting reactant?

• 152 grams

• 385 grams

• 107 grams

• 330 grams

How many grams of octane remain unreacted at the end of the experiment?

• 18 grams

• 152 grams

• 330 grams

• 107 grams

What is the molar mass of potassium bromide (KBr)?

• 164.10 grams

• 119 grams

• 138.21 grams

• 101.11 grams

What is the limiting reactant in the reaction involving potassium carbonate and hydrobromic acid?

• Potassium carbonate

• Hydrobromic acid

• Potassium bromide

• Water

What is the percent yield of potassium bromide in the experiment?

• 85.3%

• 90.2%

• 75.5%

• 80.7%

How many grams of potassium bromide were actually produced in the experiment?

• 3.50 grams

• 3.98 grams

• 4.93 grams

• 5.00 grams