Roll-Mole Analogy

There are 40 nickels in a roll.
There are 40 quarters in a roll.
Answer these questions. Show Set Up!
(1) What is the value of a roll of
nickels?
(2) What is the value of a roll of
quarters?
(1’) What is the mess of a mole of S?
(2’) What is the mass of a mole of Br?
40 nickels = 1 roll nickels = $2
40
quarters 1 roll quarters = $10
atoms $ = 1 mole $32.065,
atoms Br 1 mole Br= 79.904