Copper(II) Nitrate and Molar Mass

The video tutorial explains how to calculate the molar mass of copper II nitrate (Cu(NO3)2). It begins by identifying the atomic masses of copper, nitrogen, and oxygen from the periodic table. The tutorial then demonstrates the step-by-step calculation, including the use of parentheses and multiplication to account for the chemical formula. The final molar mass is calculated to be 187.57 grams per mole.

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

• 63.55 grams per mole

• 14.01 grams per mole

• 16.00 grams per mole

• 48.00 grams per mole

How many oxygen atoms are present in the formula of Copper(II) Nitrate?

• 1

• 2

• 4

• 3

What is the total mass of oxygen atoms in one formula unit of Copper(II) Nitrate?

• 48.00 grams

• 64.00 grams

• 32.00 grams

• 16.00 grams

What is the final molar mass of Copper(II) Nitrate as calculated in the video?

• 187.57 grams per mole

• 63.55 grams per mole

• 101.57 grams per mole

• 200.00 grams per mole

Which element's atomic mass is multiplied by 2 in the calculation?

• Hydrogen

• Oxygen

• Nitrogen

• Copper