calcule la masa de soda cáustica y de agua necesaria para preparar 8 litros de solución al 15% m/m. la densidad de la solución es 1,4 g/ml.

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?