Cu, density p = 8.885 g / o v e r c m 3 {\displaystyle p=8.885g/overcm^{3}} , atomic mass m a = 63.57 a m u {\displaystyle m_{a}=63.57amu} , fcc crystal structure
a. In 1 m 3 {\displaystyle 1m^{3}} , the number of moles is 8.885 {\displaystyle 8.885}
