e disuelven 20 g de NaOH en 560 g de agua. Calcula a) la concentración de la disolución en % en masa b) su molalidad c) su moralidad

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

During which time interval does the object travel approximately 10 meters

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump