Answer:
1.73 × 10²⁴ Molecules
Step-by-step explanation:
Relation between number of molecules and moles is,
No. of Molecules = Moles × 6.022 × 10²³ Molecules/mol
No. of Molecules = 2.88 mol × 6.022 × 10²³ Molecules/mol
No. of Molecules = 1.73 × 10²⁴ Molecules