Atomic Mass and Composition Problems

The video tutorial explains how to calculate the molar mass of chromium-3 nitrate using the periodic table. It details the atomic masses of chromium, nitrogen, and oxygen, and demonstrates the step-by-step process of adding these values to find the total molar mass. The final molar mass is calculated to be 238.02 grams per mole.

What is the atomic mass of chromium as mentioned in the video?

• 238.02 grams per mole

• 16.00 grams per mole

• 14.01 grams per mole

• 51.99 grams per mole

How many nitrogen atoms are present in chromium-3 nitrate?

• One

• Two

• Three

• Four

What is the total mass of oxygen atoms in chromium-3 nitrate?

• 48.00 grams

• 32.00 grams

• 64.00 grams

• 16.00 grams

What is the final molar mass of chromium-3 nitrate as calculated in the video?

• 16.00 grams per mole

• 51.99 grams per mole

• 238.02 grams per mole

• 14.01 grams per mole

Which element's atomic mass is used three times in the calculation?

• Oxygen

• Hydrogen

• Nitrogen

• Chromium