Molar Mass and Calculations Quiz

What prior knowledge does Mr. Cy assume the viewer has before starting the lesson?

• Experience with laboratory equipment

• Understanding of the periodic table and the concept of the mole

• Knowledge of chemical reactions

• Familiarity with organic chemistry

How do you determine the molar mass of copper(II) chloride?

• By dividing the atomic mass of copper by the atomic mass of chlorine

• By subtracting the atomic mass of chlorine from copper

• By multiplying the atomic mass of copper by two

• By adding the atomic masses of one copper and two chlorine atoms

What is the molar mass of copper(II) chloride as calculated in the video?

• 35.5 g/mol

• 134.4 g/mol

• 63.5 g/mol

• 70.9 g/mol

What is the next step after finding the molar mass of copper(II) chloride?

• Divide the moles by the molar mass

• Multiply the moles by the molar mass to convert to grams

• Subtract the molar mass from the moles

• Add the moles to the molar mass

What is the final mass in grams of 5.322 moles of copper(II) chloride?

• 70.9 grams

• 532.2 grams

• 134.4 grams

• 75.5 grams