molaity= moles/L
molarity= 5.0 moles/ 10 L
molarity= 0.5
1) cobalt u can tell bc on a periodic table there is a small number that on cobalt is 27.
2) think that would be 11 bc in the 4th shell there can be up to 18 electrons
Join or be joined securely to something else, typically by means of an adhesive substance, heat, or pressure.
Answer:
Practice good personal hygiene. Wash your hands after removing gloves, before leaving the laboratory, and after handling a potentially hazardous material. While working in the laboratory, wear personal protective equipment - eye protection, gloves, laboratory coat - as directed by your supervisor.
Explanation:
7.55 x 6.02 x 10²³ = 4.55 x 10²⁴ atoms