Use stoichiometry and convert 2.3 grams of sodium to moles. Then convert the moles to atoms using 6.02(10)^23.
Post your answer and I'll post mine :)
To find the number of atoms in 2.3 grams of sodium, we first convert the mass to moles using the molar mass of sodium. Then, we multiply the moles by Avogadro's number to find that there are approximately 6.022 × 1 0 22 atoms in 2.3 grams of sodium.
;