Question

Examples
1) How many atoms of silver are there in 4.5 moles of silver? [Ag = 107.8682 g/mol]

Answer 1

2.7 x 10^24 atoms of silver

Step-by-step explanation:

4.5 mol of Ag x 6.02 * 10^23 atoms of Ag / 1 mol of Ag

= 27.09 x 10^23 atoms of Ag

*note: round to nearest 2 sigfig

= 2.7 x 10^24 atoms of Ag