30 grams FO2 to molecules

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?

Which element is least likely to undergo a chemical reaction

What is the oxidation state of each individual carbon atom in c2o42−?