Calculate the mass of the following

3.011 × 10²³ number of N atoms.

3.011 X 10²³ number of N atoms.

As we know that 1 mole = 6.022 X 10²³atoms

⇒

⇒ 1/2 mole = 0.5 mole

For 0.5 mole of Natoms

First, we apply the formula:

⇒ Mass of Natoms = No. of moles × Molar mass of N

⇒ Mass of Natoms = 0.5 mole × (atomic mass of nitrogen)

⇒ Mass of Natoms = 0.5 × 14

⇒ Mass of N atoms = 7g

Thus, mass of 3.011 × 10²³ number of N atoms is 7g