Aglass of water contains 1.2 x 1024 molecules of water. an additional 5.0 moles of water are poured into the glass. how many molecules of water are in the glass?

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?