Please I need this answer to be right!! Pleasee for number 6,, I already put an answer but I’m not sure like at all so anyone please

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart

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?