An empty crucible has a mass of 25.70 g. After some copper(I… Post author By Anonymous Post date August 19, 2025 Related Posts:'Copper' pennies actually contain very little…How many neutrons are in the nucleus of Copper?…A sample of pure copper contains 2.89 x 1023 atoms… ← What is the molecular geometry surrounding the carbon atom i… → Which of the following is categorized as homogeneous / pure…