¿Qué cantidad de agua es necesaria para obtener 250 gr de una solución al 12 % en masa de sulfato de sodio?

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

Which element would mostly likely have an electron affinity measuring closest to zero