Manganese(II) Nitrate Molar Mass

The video tutorial explains how to calculate the molar mass of manganese(II) nitrate. It begins by identifying the atomic weights of manganese, nitrogen, and oxygen from the periodic table. The tutorial then demonstrates how to set up the calculation using parentheses and multiplication to account for the chemical formula. Finally, the video shows the step-by-step process to arrive at the molar mass of 178.96 grams per mole.

What is the atomic mass of manganese used in the calculation of manganese(II) nitrate's molar mass?

• 16.00 grams per mole

• 48.00 grams per mole

• 14.01 grams per mole

• 54.94 grams per mole

How many oxygen atoms are considered in the calculation of manganese(II) nitrate's molar mass?

• 1

• 2

• 3

• 4

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

• 16.00 grams

• 64.00 grams

• 32.00 grams

• 48.00 grams

What is the final molar mass of manganese(II) nitrate as calculated in the video?

• 200.00 grams per mole

• 160.00 grams per mole

• 150.00 grams per mole

• 178.96 grams per mole

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

• Manganese

• Hydrogen

• Nitrogen

• Oxygen