Molar Mass and Chemical Calculations

The video tutorial explains how to calculate the molar mass of lead IV nitrate using the periodic table. It details the molar masses of lead, nitrogen, and oxygen, and demonstrates the calculation process, including setting up the equation, multiplying, and adding the values. The final molar mass is calculated to be 455.24 grams per mole. Dr. B concludes the tutorial with a thank you message.

What is the molar mass of lead according to the periodic table?

• 207.20 grams per mole

• 455.24 grams per mole

• 14.01 grams per mole

• 16.00 grams per mole

How many oxygen atoms are considered in the calculation for lead IV nitrate?

• 4

• 1

• 2

• 3

What is the total contribution of oxygen to the molar mass of lead IV nitrate?

• 32.00 grams

• 64.00 grams

• 16.00 grams

• 48.00 grams

What is the final molar mass of lead IV nitrate?

• 207.20 grams per mole

• 455.24 grams per mole

• 64.00 grams per mole

• 14.01 grams per mole

Which element's molar mass is multiplied by 4 in the calculation?

• Lead

• Nitrogen

• Oxygen

• Hydrogen