Answer to Question #243823 in General Chemistry for ola

Question

calculate the number of atoms in a 27.2 mg sample of Ga

Answer 1

2.35 x 10²⁰ atoms Ga

After converting from mg to g, use the molar mass as the unit converter to convert to moles. Then using Avogadro's number, 6.022 x 10²³ convert from moles to atoms of Ga.