Question

Find the number of moles in 15 grams if silver ​

Answer 1

Answer:0.139 moles

Explanation:

moles =
`(mass)/(Mr)`

NOTE: molecular mass of silver is 107.8682

n=
`(15)/(107.8682)`

this will give you the final answer of

n= 0.139 moles OR 0.14 moles