Chemistry Quiz on Limiting Reactants and Molar Mass

What tools are necessary to solve the problem presented in the video?

• A protractor and a scale

• A periodic table and a calculator

• A ruler and a compass

• A thermometer and a stopwatch

What is the mole ratio of copper to nitric acid in the reaction?

• 1:1

• 8:3

• 3:8

• 2:5

How is the molar mass of copper determined?

• By using a ruler

• By using a chemical equation

• By using a periodic table

• By using a calculator

What is the molar mass of nitric acid as calculated in the video?

• 14.007 g/mol

• 30.6 g/mol

• 47.997 g/mol

• 63.012 g/mol

Which reactant is determined to be in excess?

• Neither is in excess

• Nitric acid

• Copper

• Both are in excess

What is the limiting reactant in the reaction?

• Copper

• Neither is limiting

• Nitric acid

• Both are limiting

What is the next step after determining the limiting reactant in part A?

• Calculate the mass of nitrogen monoxide

• Determine the temperature of the reaction

• Measure the volume of the solution

• Find the density of the reactants

What is the mole ratio of nitric acid to nitrogen monoxide?

• 3:5

• 1:1

• 2:8

• 8:2

How many grams of nitrogen monoxide are produced according to the video?

• 63.012 g

• 30.6 g

• 47.997 g

• 72.49 g

What is the final step in calculating the mass of nitrogen monoxide?

• Multiply moles by molar mass

• Subtract moles from molar mass

• Divide moles by molar mass

• Add moles to molar mass