hey guys! Back with some more free points I give away points and brainest every 10-15 mins! I hope you guys enjoy and remeber to ALWAYS keep your head up lol <3

What is the mass of 8 moles of sodium atoms

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?