Molar Mass and Atomic Structure

The video tutorial explains how to calculate the molar mass of barium chloride (BaCl2). It begins by identifying the atomic mass of barium from the periodic table and then calculates the contribution of two chlorine atoms. The tutorial concludes by summing these values to find the total molar mass of BaCl2, which is 208.23 grams per mole.

What is the atomic mass of barium as found on the periodic table?

• 12.01 grams per mole

• 137.33 grams per mole

• 35.45 grams per mole

• 208.23 grams per mole

How many chlorine atoms are present in BaCl2?

• One

• Two

• Four

• Three

What is the atomic mass of chlorine used in the calculation?

• 137.33 grams per mole

• 35.45 grams per mole

• 208.23 grams per mole

• 12.01 grams per mole

What is the final molar mass of BaCl2?

• 137.33 grams per mole

• 70.90 grams per mole

• 208.23 grams per mole

• 35.45 grams per mole

What are the units used for molar mass in this calculation?

• Grams per mole

• Grams per liter

• Liters per mole

• Moles per gram