E. none of the above QUESTION 4
The molarity of a solution prepared by dissolving 15.0 g of NaCl in 1000 ml water is?
A.0.150 M
B.0.0150 M
CC. 15.0 M
D. 1.50 x 102M
E none of the above

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?