If 1 mole of an unknown metal has mass of 63.55 grams, what metal is it?
The metal is copper.
If one mole of an unknown metal has a mass of
You can look at the atomic weight of the metals on the periodic table. The atomic weight increases with atomic number. You will see that the element copper has an atomic weight of
You could also like for a site that lists the atomic weights of metallic elements, such as: https://www.lenntech.com/periodic/mass/atomic-mass.htm