How many molecules are in 9.95 moles of co2?

In an energy pyramid, which level has the most available energy?

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?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt