1. Cu, density p = 8.885 {\displaystyle p=8.885} g cm^(-3), atomic mass m a = 63.57 a m u {\displaystyle m_{a}=63.57amu} , fcc structure
a. In 1 m 3 {\displaystyle 1m^{3}} the number of moles is ( 8.885 g c m − 3 ) ( 1 / e − 6 m − 3 ) ( 63.55 g − 1 ) = 1.40 / e 5 m o l m − 3 {\displaystyle (8.885gcm^{-}3)(1/e{-6}m^{-}3)(63.55g^{-}1)=1.40/e{5}molm^{-}3}
