Calculating Molar Mass of Compounds

The video tutorial explains how to calculate the molar mass of iron(II) nitrate. It begins by referencing the periodic table to find the atomic masses of iron, nitrogen, and oxygen. The tutorial then demonstrates the step-by-step calculation process, including the use of parentheses and multiplication to account for the chemical formula. The final molar mass of iron(II) nitrate is calculated to be 179.87 grams per mole.

What is the atomic mass of iron as used in the calculation of Iron II Nitrate's molar mass?

• 48.00 grams per mole

• 55.85 grams per mole

• 14.01 grams per mole

• 16.00 grams per mole

How many oxygen atoms are considered in the calculation of Iron II Nitrate's molar mass?

• 2

• 3

• 1

• 4

What is the result of multiplying the atomic mass of oxygen by 3 in the calculation?

• 32.00 grams per mole

• 16.00 grams per mole

• 64.00 grams per mole

• 48.00 grams per mole

What is the final molar mass of Iron II Nitrate as calculated in the video?

• 155.85 grams per mole

• 179.87 grams per mole

• 100.00 grams per mole

• 200.00 grams per mole

Which element's atomic mass is added last in the calculation process?

• Hydrogen

• Oxygen

• Nitrogen

• Iron