Number of gallium atoms in 5.0g of gallium

how do i do this??

Molar mass of galium=69.72 g/mol
#atoms per mole of gallium = 6.02*10^23

5.0 g / 69.72 g/mol * 6.02*10^23 atom/mol =

4.32 *10^ 22 atoms.

5.0/Atmoic mass of Gallium (use periodic table) x avogadro's constant

mass -> moles -> atoms

5g Ga * (1 mol Ga/69.723 g Ga) * [(6.022 * 10^23 atoms Ga)/1 mol Ga]