Answer:
76.3 g of 1 mole of element Z
Explanation:
According to Avogadro’s number the number of particles in 1 mole of a substance is 6.023 x 10²³.
The mass of 3 x 10²³ particles is 38g
Therefore, the mass of 6.023 x 10²³ is [tex]\frac{ 38 g x 6.023 x 10^2^3}{3 x 10^2^3}[/tex] = 76.3 g
