Identify a chemical reagent used in this experiment that can be used to distinguish solid cacl2 (soluble) from solid caco3 (insoluble). what is the distinguishing observation?

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.