Answer: 3.05 grams
Explanation:
To find the mass in grams, we need to use Avogadro's number and the molar mass of lithium.
Avogadro's number: 6.022×10²³ atoms/mol
Molar mass: 6.94 g/mol
[tex]2.65*10^2^3 atoms*\frac{mol}{6.022*10^2^3 atoms} *\frac{6.94g}{mol} =3.05 g[/tex]
