Amount (mol) of Mn atoms in 62.0 mg of Mn

0.0011 mol

Solution:

Data Given:

Mass of Mn = 62.0 mg = 0.062 g

Atomic Mass of Mn = 54.94 g. mol⁻¹

Calculate Moles of Mn as,

Moles = Mass : M. Mass

Putting values,

Moles = 0.062 g : 54.94 g. mol⁻¹

Moles = 0.0011 mol