4) How many silver atoms are contained in 3.75 moles of silver?

2.26x10^24 atoms

Explanation:

1 mol of silver contains 6.022x10^23 atoms of silver

So 3.75 moles of silver contains 3.75x6.022x10^23 atoms of silver

Using calcucalor to find the number of atoms

i believe it is 40–40–20%

explanation:

a:

by the combination of an unlimited number of elements