Question

2.57 x 1011 atoms of silver equals how many moles of silver

Answer 1

Answer:

mole = 4.26 × 10^(-13)

Explanation:

mole = NUMBER OF atoms ÷ avogadro's number

=> mole = 2.57 × 10¹¹ ÷ 6.02 × 10²³

=> mole = 4.26 × 10^(-13)