A flask that has a mass of 581.2 g is filled with 325 mL of a liquid. The mass of the flask and the liquid is found to be 845.0 g. From this information, calculate the density of the liquid.

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?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?