An unopened soda can has an aqueous CO2 concentration of 0.0506 M at 25 °C. What is the pressure of CO2 gas in the can?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?