owleyMi9ssmarim owleyMi9ssmarim 03-11-2016 Chemistry contestada How many atoms of gold (Au) are present in a sample of 2.5 mol Au? 1.5 × 10^24 atoms Au 1.5 × 10^23 atoms Au 4.2 × 10^24 atoms Au 4.2 × 10^23 atoms Au
