I calcula el volumen de un cuerpo que tiene un masa de 300 y una densidad de 3g/cm3
unidades s. i​

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Calculate the number of molecules present in 0.750 mol of mgo.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?