If you don't have the mass, but you've got avagadros and the mr then why do you divide by avagadros instead of multiplying because mass is moles times the mr

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?

Why is permeable soil best for plants that need a lot of drainage?

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid