Zinc plus hydrochloric acid yields zinc chloride and hydrogen

C3h8o3 - glycerol major species present when dissolved in water

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

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?