Stoichiometry and Word Equations Quiz

What tools are necessary for solving stoichiometry problems as mentioned in the video?

• Polyatomic ion chart, ruler, and calculator

• Calculator, ruler, and periodic table

• Periodic table, ruler, and polyatomic ion chart

• Periodic table, calculator, and polyatomic ion chart

What is the main chemical reaction discussed in the video?

• Sodium chloride reacting with water

• Silver nitrate reacting with potassium carbonate

• Hydrochloric acid reacting with sodium hydroxide

• Calcium carbonate reacting with hydrochloric acid

What is the first step in balancing the chemical equation?

• Start with the simplest compound

• Start with the most complicated compound

• Balance the oxygen atoms first

• Balance the hydrogen atoms first

What is the mole ratio of silver nitrate to potassium carbonate in the balanced equation?

• 3:1

• 1:1

• 2:1

• 1:2

How is the molar mass of silver nitrate calculated?

• By multiplying the atomic mass of silver by three

• By subtracting the atomic mass of nitrogen from silver

• By adding the atomic masses of silver and nitrogen only

• By adding the atomic masses of silver, nitrogen, and three oxygens

What is the molar mass of silver nitrate as calculated in the video?

• 48.00 g/mol

• 138.24 g/mol

• 169.99 g/mol

• 107.87 g/mol

What is the next step after calculating the molar masses of the reactants?

• Convert moles to grams

• Determine the mole ratio

• Balance the chemical equation

• Convert grams to moles

How many grams of silver nitrate will react with 25 grams of potassium carbonate?

• 107.87 grams

• 61.5 grams

• 25 grams

• 169.99 grams

What is the final step in solving the stoichiometry problem?

• Convert moles to grams

• Calculate the molar mass

• Determine the mole ratio

• Balance the equation

What should you do if you have questions about the stoichiometry problem?

• Send an email to mrcy at Mr cy.com

• Rewatch the video

• Consult a textbook

• Ask a classmate