Cuando se evapora 400 gramos de una solución Nitrato de potasio y tiene un residuo de 40 mililitro de nitrato. Calcula los Siguientes Ítems: a) Cuantos mililitros de agua se evaporaron
b) Cual es él % masa de soluto de solución
c) Cual es él % de solvente

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa